Which of the following is the worst conductor of electricity?

Federal Mock 2
Chemistry
Chemical Bonding
Electrovalent or Ionic Bond
A) Hg
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B) Distilled water
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C) NaCl(l)
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D) Dilute sugar solution
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What is the correct demonstration of general gas equation?

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) PV/RT=n
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B) PV=mRT
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C) V=nRT/P
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D) PV=nRT
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The best standard for the calculation of relative atomic masses is:

Federal Mock 2
Chemistry
Stoichiometry
Mole
A) Hydrogen – 1.008
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B) Carbon – 12
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C) Carbon – 13
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D) Oxygen – 16
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The oxidation state of carbon in C2O42- is:

Federal Mock 2
Chemistry
Electrochemistry
Oxidation Number or State
A) +4
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B) -4
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C) +3
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D) +2
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Which of the following structures provides greater pathogenicity to the bacteria?

Federal Mock 2
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Slime
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B) Cell Wall
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C) Cell Membrane
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D) Capsule
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All of the following coelenterates show alternation of generation except?

Federal Mock 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Hydra
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B) Obelia
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C) Aurellia
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D) All of these options are correct
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The absorption and use of calcium are regulated by

Federal Mock 2
Biology
Coordination and Control
Endocrine System and its Hormones
A) Parathormone
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B) Adrenaline
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C) Thyroxin
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D) Thiamin
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The joints that allow movement in two directions are called:

Federal Mock 2
Biology
Support and Movement
Types of Joints
A) Ball and Socket joint
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B) Hinge joint
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C) Cartilaginous joint
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D) Fibrous joint
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The classification of monohydric alcohols is due to

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) hydrogen atom
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B) carbon atom
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C) hydroxyl group
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D) carbonyle group
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In which of the following is the organic compound COOH (carboxyl) group found?

(I) Carbohydrate

(II) Lipid

(III) Protein

Federal Mock 2
Biology
Biological Molecules
Introduction to Biological Molecules
A) I only
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B) II only
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C) I and II only
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D) II and III only
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The number of spinal nerves along the spinal cord is:

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) 16 pairs
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B) 20 pairs
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C) 31 pairs
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D) 33 pairs
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The unit used to express the relative atomic mass is called

Federal Mock 2
Chemistry
Introduction to Fundamental Concepts of Chemistry
A) Gram unit
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B) Avogadro’s number
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C) Atomic mass
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D) Atomic mass unit
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All of the following statements about arteries are true except:

Federal Mock 2
Biology
Transport
A) They are thick-walled
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B) They pulsate
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C) They contain much elastic fiber tissue
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D) They carry blood away from the heart
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E) They contain valves
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An example of competitive inhibition of an enzyme is the inhibition of;

Federal Mock 2
Biology
A) Succinic dehydrogenase by malonic acid
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B) Cytochrome oxidase by cyanide
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C) Hexokinase by glucose
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D) Carbonic anhydrase by carbon dioxide
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If lipopolysaccharides did not appear in the wall of bacteria on staining then it will be known as ________.

Federal Mock 2
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Gram negative
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B) Gram positive
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C) Capsule
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D) Both Gram positive & negative
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The Porifera are pore – bearing animals, commonly called:

Federal Mock 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Corals
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B) Sponges
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C) Hydras
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D) Anemones
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Which of the following is the least likely to be involved in stabilizing the three­ dimensional folding of most proteins?

Federal Mock 2
Biology
Biological Molecules
Proteins
A) Hydrogen bonds
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B) Electrostatic interaction
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C) Hydrophobic interaction
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D) Ester bonds
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Which of the following most appropriately describes haemophilia?

Federal Mock 2
Biology
Variation and Genetics
Sex Linkage
A) Chromosomal disorder
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B) Dominant gene disorder
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C) Recessive gene disorder
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D) X-­linked recessive gene disorder
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The diencephalon comprises of:

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) Pons and medulla
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B) Thalamus and limbic system
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C) Pons and medulla
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D) Hypothalamus and limbic system
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When 18 x 10-3 moles/dm3 of acetic acid react with 22 x 10-3 moles/dm3 of ethyl alcohol to form 40 x 10-3 moles/dm3 of ethyl acetate and 40 x 10-3 moles/dm-3 of water. Find the value of equilibrium constant (kc):

Federal Mock 2
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) 4.04
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B) 3.14
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C) 3.04
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D) 2.02
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Which of the following animals can survive without drinking water?

Federal Mock 2
Biology
Homeostasis
A) Kangaroo rat
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B) Pig
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C) Kangaroo
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D) Camel
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A metal cofactor which is used in synthesis of glycolysis is?

Federal Mock 2
Biology
Bioenergetics
A) Fe+3
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B) Mn+2
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C) Co+2
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D) Mg+2
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Bacteria that live in intestine and produce vitamin K belong to?

Federal Mock 2
Biology
Kingdom Prokaryote
Importance and Control of bacteria
A) Vibrio
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B) Cocci
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C) Spirilla
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D) Bacilli
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The sex pili is formed in which of the following processes?

Federal Mock 2
Biology
Kingdom Prokaryote
Growth and Reproduction in Bacteria
A) Sexual reproduction
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B) Binary fission
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C) Mitosis
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D) Conjugation
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The animals of division Radiata are which of the following?

Federal Mock 2
Biology
Kingdom Animalia
Grade Radiata & Grade Bilateria
A) triploblastic
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B) diploblastic
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C) radioblast
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D) all of these
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HIV is also known as:

Federal Mock 2
Biology
Bio-diversity | Variety of Life
A) AIDS
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B) HAV
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C) HTLV
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D) HBV
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The ratio of σ to π bonds in benzene is:

Federal Mock 2
Chemistry
Hydrocarbons
Benzene and its Preparation
A) 4:1
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B) 1:4
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C) 1:3
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D) 3:1
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Which of the following has six isotopes?

Federal Mock 2
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Manganese
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B) Tin
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C) Calcium
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D) Carbon
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When does a gas deviate the most from its ideal behavior ?

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Non Ideal Behaviour Of Gases
A) At low pressure and high temperature
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B) At high pressure and high temperature
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C) At low pressure and low temperature
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D) At high pressure and low temperature
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Different kinds of atoms of the same element are called isotope having different __________but same ___________ properties.

Federal Mock 2
Chemistry
Introduction to Fundamental Concepts of Chemistry
Isotopes
A) Physical, atomic
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B) Physical, chemical
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C) Chemical, physical
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D) Chemical, atomic
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At 1489 mm of Hg, water will boil at:

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
A) 120 C
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B) 110 C
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C) 100 C
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D) 90 C
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A non­-proteinaceous enzyme is:

Federal Mock 2
Biology
A) Lysozyme
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B) Ribozyme
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C) Ligase
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D) Deoxyribonuclease
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When two moles of H2 and one mole of O2 react to form H2O, 484 KJ heat is evolved. What is Δ Hf for one mole of H2O?

Federal Mock 2
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) -484 KJmol-1
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B) -242 KJmol-1
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C) -121 KJmol-1
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D) +242 KJmol-1
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Which of the following is/are allotrope(s) of Sulphur?

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) Monoclinic S and Rhombic S
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B) Rhombic S
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C) Triclinic S
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D) Monoclinic S
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Reaction of CH3CH2MgBr with ethylene epoxide gives:

Federal Mock 2
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Ethanal
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B) 1 – butanol
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C) 2 – butanol
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D) Butane
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Premature birth or miscarriage is usually caused by the disturbance in secretion of which of the following hormone?

Federal Mock 2
Biology
Reproduction
Disorders of the Reproductive System
A) Estrogen
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B) Progesterone
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C) Lactogen
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D) Luteinizing Hormone (LH)
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A disease caused by an autosomal primary non-disjunction is:

Federal Mock 2
Biology
Variation and Genetics
Inherited Diseases
A) Klinefelter’s syndrome
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B) Turner’s syndrome
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C) Sickle cell anaemia
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D) Down’s syndrome
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The total number of transition elements is:

Federal Mock 2
Chemistry
d and f Block Elements
A) 58
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B) 48
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C) 30
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D) 25
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Some enzymes require the presence of a non protein molecule to behave catalytically. An enzyme devoid of this molecule is called a(n):

Federal Mock 2
Biology
A) Holoenzyme
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B) Apoenzyme
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C) Coenzyme
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D) Zymoenzyme
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Primary Alcohol is produced by reactions of Grignard’s reagent with _________ followed by hydrolysis in an acidic medium.

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) Carbon dioxide
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B) Formaldehyde
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C) Acetaldehyde
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D) Ketone
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The shape of gray matter is:

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) Spherical
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B) Butterfly
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C) Mosquito
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D) Rectangular
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Which type of chlorophyll is found in all types of algae?

Federal Mock 2
Biology
Bioenergetics
Chloroplasts
Photosynthetic pigments
A) Chlorophyll a
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B) Chlorophyll b
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C) Chlorophyll c
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D) Chlorophyll d
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The property of a crystal to grow in its usual shape is called as:

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Crystalline Solids
A) Symmetry
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B) Habit of crystal
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C) Isomorphism
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D) Polymorphism
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“Zymase”- a group of 14 enzymes, used in the fermentation of starch, is present in:

Federal Mock 2
Chemistry
Chemistry of Life
Enzymes
A) Bacteria
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B) Yeast
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C) Fungi
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D) Algae
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Nutrition refers to the processes involved in:

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) Taking in of food
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B) Utilization of food elements
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C) Growth, repair, and maintenance
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D) All of the above options are correct
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Hybridization of carbon in -CHO group is:

Federal Mock 2
Chemistry
Aldehydes and Ketones
Identification and Uses of Carbonyl Compounds
A) sp
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B) sp2
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C) sp3
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D) dsp
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The maximum number of electrons that an orbital can accommodate is/are:

Federal Mock 2
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 0
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B) 1
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C) 2
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D) 3
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Venous blood en route from the kidneys to the heart must pass through the:

Federal Mock 2
Biology
Transport
A) Iliac vein
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B) Inferior vena cava
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C) Liver
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D) Hepatic vein
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For respiratory metabolism, a bacterial cell membrane contains:

Federal Mock 2
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Proteins
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B) Lipids
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C) Enzymes
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D) Chemicals
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The primary electron acceptor in cyclic photophosphorylation is:

Federal Mock 2
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) Carbon dioxide
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B) A protein that contains iron and sulphur
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C) NADP
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D) FAD
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The enthalpy change accompanying the gain of an electron by a neutral gaseous atom to form a negative ion is called:

Federal Mock 2
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) Ionization potential
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B) Electronegativity
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C) Electron affinity
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D) Lattice energy
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Enzymes that are functioning within the cell are called:

Federal Mock 2
Chemistry
Chemistry of Life
Enzymes
A) Endoenzymes
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B) Exoenzymes
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C) Holoenzymes
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D) Both A & C
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In a reaction:

A+B 2C

When equilibrium was attained, the concentration was

[A] = [B] = 4 moles/dm3

[C]= 6 moles/dm3
The equilibrium constant Kc of this reaction is:

Federal Mock 2
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) 1.25
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B) 2.25
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C) 3.25
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D) 2.75
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Vaccines for all of these have been developed EXCEPT:

Federal Mock 2
Biology
Bio-diversity | Variety of Life
A) Polio
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B) Mumps
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C) Measles
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D) Cancer
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___________ accepts hydrogen from malate

Federal Mock 2
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
A) COQ
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B) FMN
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C) FAD
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D) NAD
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“In an atom no two electrons can have the same set of four Quantum numbers” is stated by:

Federal Mock 2
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) Heisenberg’s uncertainty principle
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B) Aufbau Principle
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C) Pauli’s Exclusion principle
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D) Hund’s Rule
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Dehydration of ethanol at 100 oC in the presence of concentrated H2SO4 gives:

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) Ethene
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B) Ethane
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C) Ethyne
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D) Ether
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According to the law of mass action, “The rate of chemical reaction” is proportional to the:

Federal Mock 2
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) The amount of product formed
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B) Product of the molar concentration of reactants
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C) The initial concentration of reactants
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D) Catalyst
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At which site does digestion of starches begin?

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) 3
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B) 7
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C) 8
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D) 12
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Which of the following neurotransmitters function, both as neurotransmitter and hormones, decreasing our perception of pain?

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) Epinephrine
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B) Serotonin
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C) Dopamine
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D) Endorphins
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For, the reaction:

N2 + 3H2 ⇌ 2NH3

The production of NH3 will be favored at:

Federal Mock 2
Chemistry
Chemical Equilibrium
Factors Affecting Equilibria
A) High pressure and catalyst
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B) Low pressure only
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C) Low pressure and catalyst
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D) High pressure only
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E) Catalyst only
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Many elements have fractional atomic masses. This is because:

Federal Mock 2
Chemistry
Introduction to Fundamental Concepts of Chemistry
Introduction to the Atom
A) Mass of atom is itself reactional
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B) Atomic masses are average masses of isobars
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C) Atomic masses are average masses of isotopes
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D) Atomic masses are average masses of isotopes proportional to their abundance
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Which of the following is TRUE regarding Methyl Alcohol?

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) It is a colorless, volatile, thin liquid with specific gravity 0.796 at 15°C
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B) It is used for low-temperature thermometers and as a fuel substitute
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C) It is extensively used in the formation of different beverages
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D) It is used as a base for perfumes
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The diagram below represents the process of:

Federal Mock 2
Chemistry
Macromolecules
A) Hydrolysis
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B) Condensation
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C) Neutralization
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D) Metabolism
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At 0°C what is the physical state of water?

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Liquids and Water
A) Ice
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B) Liquid
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C) Vapour
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D) Both ice and liquid
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In which type of cells, cell wall is not present?

Federal Mock 2
Biology
Cell Structure and Function
Cell Wall
A) Plant cells
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B) Fungal cells
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C) Bacterial cells
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D) Liver cells
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Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has ____ ion.

Federal Mock 2
Biology
Bioenergetics
Photosynthetic pigments
A) Fe2+
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B) Mg2+
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C) Mn2+
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D) Ca2+
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The unit of rate of reaction is:

Federal Mock 2
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Mole (dm3) sec
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B) Mole (dm3) sec-1
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C) Mole(dm-3) sec -1
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D) Mole(dm3)sec-2
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Which of the following is not the type of cells of gastric gland?

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) Zymogenic
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B) Parietal
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C) Sinusoidal
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D) Mucous neck
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HF has a higher boiling point than HCl because of:

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Boiling Point and Vapor Pressure
A) Dipole-dipole interactions
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B) Ion-dipole interactions
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C) Hydrogen bonding
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D) London-dispersion forces
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Oxygen, released into the atmosphere, comes from:

Federal Mock 2
Biology
Bioenergetics
Light Dependent Mechanism of Photosynthesis
A) CO2
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B) H2O
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C) C6H12O6
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D) CO2 and H2O
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A structure established between the uterine and foetal tissues for the exchange of oxygen, carbon dioxide, waste, nutrients and other materials is:

Federal Mock 2
Biology
Reproduction
Reproduction in Females
A) Amnion
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B) Placenta
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C) Endometrium
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D) Uterus
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Holoenzyme is?

Federal Mock 2
Biology
A) Protein moiety of enzyme
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B) Non-protein moiety of enzyme
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C) Complete enzyme
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D) Inactive enzyme
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Which of the following is correct for the given structure?

Federal Mock 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) These are small structures which work like oars
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B) It is covered with plasma membrane
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C) Its core is called axoneme
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D) All of the above
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The charge on one proton is:

Federal Mock 2
Chemistry
Atomic Structure
Sub Atomic Particles and Their Discoveries
A) 1.602 x 10-31C
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B) 1.602 x 10-27C
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C) 1.602 x 10-19C
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D) 1.602 x 10-11C
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The brain is protected by:

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) sacrum
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B) Cranium
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C) humerus
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D) scapula
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Which of the following does not act as ligand in the formation of complexes?

Federal Mock 2
Chemistry
d and f Block Elements
A) CH3NH2
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B) OH-
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C) Cl-
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D) NH4+
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Which of the following alcohol does not get oxidized when it reacts with K₂Cr₂O₇/H₂SO₄?

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) CH₃C(CH₃)₂OH
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B) CH₃CH(CH₃)OH
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C) CH₃OH
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D) C₂H₅OH
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Valence electronic configuration Cu+2 is (29Cu)

Federal Mock 2
Chemistry
d and f Block Elements
A) 5d6
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B) 3d9
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C) 3d8
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D) 3d7
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In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.

Federal Mock 2
Biology
Variation and Genetics
Mendelian Inheritance
A) Autosomal recessive
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B) X-­linked dominant
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C) Autosomal dominant
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D) X-­linked recessive
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A woman with normal colour vision, whose father was red green colour blind, married a red green colour blind man. What is the probability of her born child being red green colour blind?

Federal Mock 2
Biology
Variation and Genetics
Inherited Diseases
A) 1.0
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B) 0.75
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C) 0.50
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D) 0.25
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The diagram is taken from an electron of a cell, name the organelle labeled D:

Federal Mock 2
Biology
Cell Structure and Function
Compare the structure of a typical plant and animal cell
A) Nucleus
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B) Lysosomes
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C) Golgi complex
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D) Mitochondria
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Hypothalamus initiates the release of hormones, by their releasing factors, while ________ is directly released by it.

Federal Mock 2
Biology
Coordination and Control
Endocrine System and its Hormones
A) TSH
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B) ACTH
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C) FSH
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D) Dopamine
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The notochord is

Federal Mock 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Present in adult chordates
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B) Present in all echinoderms
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C) Present in chordates during embryological developents
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D) Always a vestigial organ in chordates
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Detoxification of drugs is the function of _____ in a cell.

Federal Mock 2
English
Cell Structure and Function
Cytoplasm and Organelles
A) R.E.R
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B) S.E.R
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C) Liver cells
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D) Lysosome
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How many molecules of H2 are added in acetylene to form ethane?

Federal Mock 2
Chemistry
Hydrocarbons
Alkynes
A) 1
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B) 3
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C) 4
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D) 2
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The rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as:

Federal Mock 2
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Law of conservation of energy
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B) Law of mass action
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C) Law of conservation of mass
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D) Active mass law
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Gigantism in human beings is caused due to over secretion of:

Federal Mock 2
Biology
Coordination and Control
Endocrine System and its Hormones
A) Thyrotropin
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B) Corticotropin
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C) Somatotropin
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D) Prolactin
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The area on the left hemisphere related to speech is called?

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) Amygdala
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B) Broca’s area
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C) Hypothalamus
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D) Occipital lobe
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Acyclic hydrocarbons are also called as ____.

Federal Mock 2
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Closed chain hydrocarbons
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B) Open chain hydrocarbons
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C) Ring compounds
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D) Alicyclic compounds
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The nature of Lysine is:

Federal Mock 2
Chemistry
Chemistry of Life
Proteins
A) Acidic
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B) Basic
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C) Neutral
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D) Weakly acidic
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Which property of water helps to maintain the integrity of lipid-containing membranes?

Federal Mock 2
Biology
Cell Structure and Function
Plasma Membrane
A) Specific Heat Capacity
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B) Hydrogen Bonding
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C) Cohesion and Adhesion
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D) Hydrophobic exclusion
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Tay Sach’s disease is caused by absence of enzyme required to breakdown ____________.

Federal Mock 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Lipids
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B) Glycogen
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C) Glucose
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D) Proteins
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The heat of a reaction can be calculated by using:

Federal Mock 2
Chemistry
Thermochemistry
Heat Capacity and Calorimetry
A) Joule’s Law
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B) Ohm’s Law
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C) Hess’s Law
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D) Faraday’s Law
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Industrially water gas is converted into methanol by using catalyst:

Federal Mock 2
Chemistry
Alcohol, Phenols, and Ethers
A) CuO + ZnO
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B) CuO + Cr2O3
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C) Al2O3+ ZnO
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D) ZnO + Cr2O3
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Lack of relaxation between successive stimuli in sustained muscle contraction is known as:

Federal Mock 2
Biology
Support and Movement
Disorders of Skeleton
A) Tetany
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B) Tonus
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C) Spasm
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D) Fatigue
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In an adiabatic process:

Federal Mock 2
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) Pressure is maintained constant
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B) The gas is isothermally expanded
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C) There is perfect heat insulation
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D) System exchanges heat with the surroundings
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Which one of the following has the highest lattice energy?

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Crystal Lattice and Lattice Energy
A) NaCl
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B) KCl
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C) KBr
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D) LiCl
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The equation shows the reaction between element X and dilute hydrochloric acid.

X(s) + 2HCl(aq) -> XCl2(aq) + H2(g)

What types of bonding is present in element X and in compound XCl2?

Federal Mock 2
Chemistry
Chemical Bonding
Metallic Bonding
A) Option A
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B) Option B
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C) Option C
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D) Option D
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Which of the following is true in case of induced fit model?

Federal Mock 2
Biology
A) The substrate changes its shape slightly.
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B) The enzyme changes its shape slightly.
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C) None of them changes shape.
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D) Both changes shape.
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The optimum pH for the functioning of enzyme pepsin is:

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) 2
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B) 3
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C) 4
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D) 5
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A sponge of Antarctica which is more than a meter tall is known as?

Federal Mock 2
Biology
Kingdom Animalia
A) Euplectella
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B) Spongilla
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C) Leucosolenia
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D) Scolymastra joubini
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The chemical reaction in which reactions require high amount of activation energy are generally:

Federal Mock 2
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) Slow
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B) First fast then slow
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C) First slow then fast
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D) Spontaneous
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Catenation is a process in which carbon shows the properties of:

Federal Mock 2
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Making single bond
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B) Hybridization
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C) Making chains or rings of carbon atoms
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D) Isomerism
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First infectious disease against which effective method of prevention developed was a _______:

Federal Mock 2
Biology
Bio-diversity | Variety of Life
A) Bacterial disease
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B) Viral disease
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C) Protozoan disease
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D) Viroid disease
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The rate of a gaseous reaction Is given by K [A] [B]. If the volume of the vessel containing these gases is reduced to 1/4th of the initial volume, the rate of reaction relative to the original rate would be:

Federal Mock 2
Chemistry
Reaction Kinetics
Rate and velocity of chemical reaction
A) 16/1
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B) 1/16
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C) 4/1
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D) 1/8
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Which statement correctly describes the alimentary canal of hydra?

Federal Mock 2
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) The alimentary canal is formed from the endodermal cells
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B) The alimentary canal has a single opening.
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C) The alimentary canal is saclike.
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D) All of the above.
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The mechanism that causes a gene to move from one linkage group to another is called:

Federal Mock 2
Biology
Variation and Genetics
Gene Linkage and Crossing Over
A) Inversion
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B) Duplication
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C) Translocation
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D) Crossing­ over
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Lipid emulsification is done by:

Federal Mock 2
Biology
Nutrition
Digestion and Absorption
A) Pancreatic juice
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B) Intestinal juice
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C) All of these
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D) Bile
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Which one of the following combinations is NOT the part of an animal cell?

Federal Mock 2
Biology
Cell Structure and Function
Compare the structure of a typical plant and animal cell
A) Central Vacuole, Cell Membrane, Ribosomes
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B) Chloroplast, Ribosome , Mitochondria
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C) Cell wall, Chloroplast, Central vacuole
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D) Ribosome, Mitochondria, Cell wall
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Suggest which among the following is not a function attributed to endoplasmic reticulum?

Federal Mock 2
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Detoxification of poisons and drugs
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B) Digestion/egestion of foreign materials outside the cell
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C) Manufacture of fat and lipid molecules
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D) Biogenesis of membrane proteins
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Gases are non-ideal at high pressure due to:

Federal Mock 2
Chemistry
States of Matter – Gases, Liquids and Solids
Non Ideal Behaviour Of Gases
A) Intermolecular forces
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B) Decrease in volume occupied by gas
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C) All of these
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D) Decrease in compressibility of gas
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Match the parts of the human brain listed under Column I with the functions given under Column II. Choose the answer which gives the correct combination of alphabets of the two columns.

Federal Mock 2
Biology
Coordination and Control
Central Nervous System
A) A=r, B=q, C=p, D=s
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B) A=r, B s, C=q, D=t,
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C) A=t, B p, C=q, D=r
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D) A=t, B=q, C=p, D=s
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A combination of alpha interferon and ribavirin is used for the treatment of hepatitis:

Federal Mock 2
Biology
Bio-diversity | Variety of Life
A) Hepatitis B
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B) Hepatitis A
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C) Hepatitis D
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D) Hepatitis C
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The rate of photosynthesis and respiration may equal one another at what time?

Federal Mock 2
Biology
Bioenergetics
Introduction to Photosynthesis
A) Dawn
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B) Noon
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C) Dusk
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D) Dawn and dusk
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In a typical compound microscope the resolution is 2 μm. Which is about _____ that of naked eye.

Federal Mock 2
Biology
Cell Structure and Function
Techniques used in Cell Biology
A) 100 x
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B) 300 x
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C) 400 x
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D) 500 x
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The rate of breathing is controlled by the:

Federal Mock 2
Biology
Gaseous Exchange
A) Lungs
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B) Cerebellum
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C) Pons
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D) Medulla oblongata
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Which of the following metals does NOT liberate hydrogen in reaction with acids?

Federal Mock 2
Chemistry
Electrochemistry
Electrochemical Series
A) Mg
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B) Pt
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C) Zn
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D) Ca
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The sum of all forms of molecular energies (Kinetic and Potential) of a substance is termed as?

Federal Mock 2
Physics
Work, Power & Energy
A) Elastic energy
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B) Absolute energy
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C) Internal energy
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D) Heat energy
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Electrons are emitted in the production of X-rays by:

Federal Mock 2
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Conduction
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B) Convection
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C) Thermionic emission
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D) None of these
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Which of the following is the pair of isobars?

Federal Mock 2
Physics
Nuclear Physics
Composition of Atomic Nuclei
A) 1H1 and 2H1
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B) 12C6 and 13H6
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C) 2H1 and 3H1
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D) 30H15 and 30Si14
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Kilowatt-hour is a unit of?

Federal Mock 2
Physics
Work, Power & Energy
A) Electric Energy
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B) Power
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C) Momentum
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D) Torque
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A student is performing a lab experiment on simple harmonic motion. He has two different springs (with force constants k1 and k2) and two different blocks (of masses m1 and m2). If k1 =2k2, and m1 = 2m2, which of the following combinations would give the student the spring-block simple harmonic oscillator with the shortest period?

Federal Mock 2
Physics
Oscillations and Simple Harmonic Motion
A) The spring with force constant k1 and the block of mass m1
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B) The spring with force constant k1 and the block of mass m2
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C) The spring with force constant k2 and the block of mass m1
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D) The spring with force constant k2 and the block of mass m2
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Due to the magnetic force, a positively charged particle executes uniform circular motion within a uniform magnetic field ‘B’. If the charge is ‘q’ and radius of its path is r, which of the expressions gives the magnitude of the particle’s linear momentum:

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) qBr
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B) qB/r
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C) q/(Br)
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D) B
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The rate at which work is being done is called:

Federal Mock 2
Physics
Work, Power & Energy
A) Power
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B) Energy
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C) Density
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D) Force
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A battery whose emf is 40 V has an internal resistance of 5 Ohms. If this battery is connected to a 15 Ohms resistor ‘R’, what will be the voltage drop across ‘R’:

Federal Mock 2
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) 10 V
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B) 30 V
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C) 40 V
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D) 50 V
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The velocity of an object increases from 0 to 10 m/s in 2 seconds. The distance covered by the object is _________.

Federal Mock 2
Physics
Forces and Motion
A) 10 m
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B) 7.5 m
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C) 05 m
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D) 2.5 m
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When frequency of applied periodic Force is equal to the natural frequency of harmonic oscillator then the _______ of oscillator _____.

Federal Mock 2
Physics
Oscillations and Simple Harmonic Motion
A) amplitude : decreases
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B) Amplitude : increases
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C) Frequency : increases
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D) Frequency : decreases
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Two capacitors C1 = 2μF and C2 = 4μF, are connected in series across a 100 V supply.

Find the effective capacitance:

Federal Mock 2
Physics
Electrostatics
Capacitor
A) ½ μF
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B) 3/2 μF
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C) 5/2 μF
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D) 4/3 μF
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Third law of Newton is also called:

Federal Mock 2
Physics
Forces and Motion
A) Law of Inertia
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B) Equilibrium
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C) Law of action and reaction
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D) None
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Identify the example/s of Static Equilibrium:
I. A book lying on a horizontal table
II. A building
III. A bridge

Federal Mock 2
Physics
Scalars and Vectors
Equilibrium of Forces
A) I only
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B) II and III only
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C) I and III only
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D) III only
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E) I, II and III
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For the first time in 1914, Henry Moseley used X-rays for the determination of:

Federal Mock 2
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Atomic Number
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B) Atomic Mass
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C) Molecular Mass
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D) Equiavalent mass
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A neutron travels a distance of 24 m in a time interval of 3.6 x 10^-4 s. Assuming its speed was constant. Find its kinetic energy. Take 1.7 x 10^-27 kg as the mass of the neutron.

Federal Mock 2
Physics
Work, Power & Energy
A) 37.702 x 10^-19 joule
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B) 27.702 x 10^-19 joule
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C) 17.70 x 10^-19 joule
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D) 07.702 x 10^-29 joule
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The series limit for the Balmer series of hydrogen spectrum occurs at 3664 A°. Calculate Ionization energy of hydrogen atom.

Federal Mock 2
Physics
Atomic Spectra
A) 21.7 x 10-19J
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B) 6.626 x 10-34J
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C) 5.425 x 10-19J
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D) 3664 x 10-10J
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Law of Conservation of Momentum states that total linear momentum of system remains constant if:

Federal Mock 2
Physics
Forces and Motion
A) Balanced external forces are applied to a system.
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B) No external force is applied to a system.
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C) Only linear force is applied in a system is zero.
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D) Sum of external forces are applied to a system is zero.
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When a conductor of a cross-sectional area 5×10-6 m2 carries a current of 6 A, the drift velocity of the conduction electrons is 1.2 x 10-4 ms1-. What is the number density (number per unit volume) of the conduction electrons?

Federal Mock 2
Physics
Current Electricity
Resistivity and its Dependence upon Temperature
A) 4×10-28 m-3
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B) 1.6×10-27 m-3
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C) 2.5×10-27 m-3
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D) 6.3×1028 m-3
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The value of universal constant “R” is:

Federal Mock 2
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) 8.314 J mol-31K-3
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B) 1.38J mole-1 K-3
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C) 1.38J mole-1 K-1
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D) 8.314 J mole-1 K-1
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What is the SI Unit of EMF?

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Induced EMF and Induced Current
A) Ohm
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B) Ampere
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C) Volt
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D) Newton
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Some water at 0°C is placed in a large insulated enclosure (vessel). The water vapour formed is pumped out continuously. What fraction of the water will ultimately freeze, if the latent heat vaporization is seven times the latent heat of fusion?

Federal Mock 2
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) 7/8
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B) 8/7
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C) 3/8
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D) 5/8
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The quantity of heat required to raise the temperature of one mole of a substance through 1 K is called:

Federal Mock 2
Physics
Heat and Thermodynamics
A) Carnot engine
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B) Molar specific heat
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C) Kinetic specific heat
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D) General gas law
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The time of open vibration of a simple pendulum may be decreased by:

Federal Mock 2
Physics
Oscillations and Simple Harmonic Motion
A) Increasing the length of the pendulum
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B) Decreasing the length of the pendulum
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C) Using a heavier bob
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D) Using a lighter bob
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Ohm multiplied by farad is equivalent to:

Federal Mock 2
Physics
Electrostatics
Charging and Discharging a Capacitor
A) Time
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B) Charge
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C) Distance
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D) Capacitor
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A student is performing a lab experiment on simple harmonic motion. He has two different springs (with force constants k1 and k2) and two different blocks (of masses m1 and m2). If k1 =2k2, and m1 = 2m2, which of the following combinations would give the student the spring-block simple harmonic oscillator with the shortest period?

Federal Mock 2
Physics
Oscillations and Simple Harmonic Motion
A) The spring with force constant k1 and the block of mass m1
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B) The spring with force constant k1 and the block of mass m2
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C) The spring with force constant k2 and the block of mass m1
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D) The spring with force constant k2 and the block of mass m2
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An electric bulb is rated at 220 V, 100 W. What is its resistance?

Federal Mock 2
Physics
Current Electricity
Ohms Law
A) 250 Ohms
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B) 350 Ohms
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C) 450 Ohms
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D) 484 Ohms
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The half-life of C14 is about:

Federal Mock 2
Physics
Nuclear Physics
Radioactivity
A) 1637 years
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B) 892 years
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C) 10 years
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D) 100 years
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E) 5730 years
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Sodium nucleus consists of 11 protons and 12 neutrons. The conventional symbol of this nucleus is?

Federal Mock 2
Physics
Nuclear Physics
Composition of Atomic Nuclei
A) 11Na11
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B) 12Na12
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C) 11Na23
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D) 12Na23
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The wavelength of the electromagnetic wave having frequency of 3 kHz will be?

Federal Mock 2
Physics
Electromagnetic Waves
A) 120 km
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B) 100 km
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C) 80 km
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D) 140 km
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Coal and petrol are stores of chemical energy when are burnt, chemical energy is converted into heat energy i.e chemical energy = heat energy + ______.

Federal Mock 2
Physics
Work, Power & Energy
A) Electrical energy
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B) losses
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C) gains
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D) wind energy
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For which angle between area and magnetic field, the flux is maximum?

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) 0 degree
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B) 90 degree
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C) 45 degree
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D) 60 degree
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Minimum frequency below which no electrons are emitted from the metal surface is called ______ frequency.

Federal Mock 2
Physics
Dawn of Modern Physics
Photoelectric Effect
A) Minimum
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B) Angular
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C) Maximum
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D) Threshold
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Magnetic field lines have a property that lines are ________________.

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) Non intersecting
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B) Intersect near south pole
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C) Intersect near north pole
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D) Intersect everywhere
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Laser light is?

Federal Mock 2
Physics
Atomic Spectra
Laser
A) Multi-directional.
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B) Bi-directional.
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C) Uni-directional.
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D) None of these options is correct.
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A battery has an e.m.f of 6.0 volts and an internal resistance of 0.4 ohm. It is connected to a 2.6 ohm resistor through a SPST (single pole, single throw switch):

When the switch is closed, the potential difference between the terminal Is, in volts is:

Federal Mock 2
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) 0
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B) 0.8
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C) 2.6
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D) 5.2
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An armature coil consists of 30 turns of wire, each of area A = 0.05 m2 and total resistance of 10 Ω. It rotates in a magnetic field of 0.15 T at an angular speed of 84 radian per second. Determine the value of maximum induced EMF produced in the coil.

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Faradays and Lenz Law and Induced EMF
A) 1 V
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B) 500 V
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C) 19 V
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D) 43 V
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When electron series terminates on the 4th orbit ____________ series is obtained.

Federal Mock 2
Physics
Atomic Spectra
Inner Shell Transitions And Characteristic X-rays
A) Balmer
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B) Pfund
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C) Paschen
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D) None of these options is correct
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The half-life of C14 is approximately 5,730 years, while the half-life of C12 is essentially infinite. If the ratio of C14 to C12 in a certain sample is 25% less than the normal ratio in nature, how old is the sample?

Federal Mock 2
Physics
Nuclear Physics
Radioactivity
A) Less than 5,730 years
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B) Approximately 5,730 years
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C) Significantly greater than 5,730 years, but less than 11,460 years
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D) Approximately 11,460 years
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A body starts sliding on a rough horizontal surface with a speed of 10 m/s. If the coefficient of friction is 0.2, find the distance traveled by the body before coming to rest. (g = 10m/s)

Federal Mock 2
Physics
Forces and Motion
A) 15 m
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B) 25 m
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C) 35 m
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D) 40 m
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If the velocity of a charged particle and magnetic field are at a fixed angle that is not 90 degrees, then the path will be:

Federal Mock 2
Physics
Magnetism and Electromagnetic Induction
Motion of a Charged Particle in an Electric and Magnetic Field
A) Circular
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B) Straight line
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C) Spherical
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D) Helical
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The fractional change in resistance per kelvin is known as:

Federal Mock 2
Physics
Current Electricity
Resistivity and its Dependence upon Temperature
A) Temperature coefficient of resistance
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B) Thermal coefficient
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C) Linear coefficient of expansion
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D) Volumetric coefficient of expansion
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When there is an increase in the length of the simple pendulum then its time period will:

Federal Mock 2
Physics
Oscillations and Simple Harmonic Motion
A) Remain the same
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B) Decrease
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C) First decrease then increase
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D) Increase
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Which one of the following requires no medium?

Federal Mock 2
Physics
Electromagnetic Waves
A) Beta rays
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B) Alpha rays
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C) Gamma rays
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D) All of these
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What is true about the electric field and electric force?

Federal Mock 2
Physics
Electrostatics
A) Electric field lines are towards negative and electron flow in same direction
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B) Electric field lines are towards positive and electron flow in opposite direction
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C) Electric field lines are towards the negative and electrons flow in the opposite direction.
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D) Electric field lines are positive and electrons flow in the same direction.
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Energy consumed by 60 watt bulb in 2 minutes is equal to:

Federal Mock 2
Physics
Work, Power & Energy
A) 7.2 kilo joules
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B) 720 joules
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C) 120 joules
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D) 72000 joules
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If the temperature is increased from 200K to 800K, then what would be the change in pressure at constant volume?

Federal Mock 2
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) Increases by factor 4
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B) Decreases by factor 4
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C) Increases by factor 2
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D) Decreases by factor 2
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In free states, the mass of the nucleus is always:

Federal Mock 2
Physics
Nuclear Physics
Mass Defect And Binding Energy
A) Greater than the mass of its constituents
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B) Equal to the mass of its constituents
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C) Less than the mass of its constituents
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D) Far greater than the mass of its constituents
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Assume that you have two balls of Identical volume, one weighing 2 Newtons and the other 10 Newtons. Both are falling freely after being released from the same point simultaneously. Which of the following will then be true:

I. The 10 N ball falling freely from rest will be accelerated at a greater rate than the 2 N ball

II. At the end of the 4s of freefall, the 10 N ball will have 5 times the momentum of the 2 N ball

III. At the end of the 4s of free fall, the 10 N ball will have the same kinetic energy as the 2 N ball

IV. The 10 N ball possesses greater inertia than the 2 N ball

Federal Mock 2
Physics
Forces and Motion
A) I, Il and Ill only
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B) I and II only
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C) II and IV only
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D) IV only
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