When your friend ______, he’ll be very tired.

Federal Mock 3
English
Fill in the blank
A) Arrived
Show Explanation
B) Will arrive
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C) Arrives
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D) Is arriving
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Fill in the blanks with the most appropriate option.

When we went to cinema, the film __________.

Federal Mock 3
English
Fill in the blank
A) Already started
Show Explanation
B) Had already started
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C) Would already start
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D) Started already
Show Explanation

Pick up the wrong part in the sentence:

Although I thought I had hardly left any book unread, I am surprised that I have not read these two books.

Federal Mock 3
English
Identify errors in sentence
A) I had
Show Explanation
B) Unread
Show Explanation
C) Surprised
Show Explanation
D) Have
Show Explanation
E) No error
Show Explanation

You should stick ______ your promise.

Choose the best option to fill in the blank.

Federal Mock 3
English
Fill in the blank
A) By
Show Explanation
B) To
Show Explanation
C) With
Show Explanation
D) In
Show Explanation

Choose the correct spelling:

Federal Mock 3
English
Identify errors in sentence
A) Entripreneur
Show Explanation
B) Enterpreneur
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C) Entrepreneur
Show Explanation
D) Entreprineur
Show Explanation

Demonstrate the correct use of subject-verb agreement:

Plenty of mangoes and bananas ____________ available in this season.

Federal Mock 3
English
Grammar and Punctuation
A) Is
Show Explanation
B) Are
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C) Was
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D) Were
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DRAWBACK, this word is a combination of:

Federal Mock 3
English
Grammar and Punctuation
A) Verb + Adjective
Show Explanation
B) Noun + Adjective
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C) Verb + Noun
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D) Verb + Adverb
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The injured player was taken ____ the field.

Federal Mock 3
English
Grammar and Punctuation
A) Off
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B) Of
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C) Out
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D) In
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He asked me _____.

Federal Mock 3
English
Fill in the blank
A) How are you
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B) How was I
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C) How you are
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D) How I was
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Pick up the wrong part in the sentence:

The beautiful and the most attractive picture was hanged on the wall.

Federal Mock 3
English
Fill in the blank
A) The beautiful
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B) The most
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C) Was
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D) Hanged
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FIND THE BEST RELATIONSHIP

Breath : Lungs

Federal Mock 3
English
Grammar and Punctuation
A) Light : Bulb
Show Explanation
B) Food : Stomach
Show Explanation
C) Blood : Vein
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D) Water : Stream
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To join the great majority means __________.

Federal Mock 3
English
Key Vocabulary
A) To accept a challenge and get ready for a fight
Show Explanation
B) To die
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C) To support the views of majority
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D) To falsify an account in order to deceive
Show Explanation

The oxygen-binding protein present in skeletal muscles is:

Federal Mock 3
Biology
Gaseous Exchange
Respiratory System of Man
A) Globin
Show Explanation
B) Glycogen
Show Explanation
C) Myo Glycogen
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D) Myoglobin
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Neither they nor their friend ______ solved the question.

Federal Mock 3
English
Fill in the blank
A) Has
Show Explanation
B) Have
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C) Was
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D) Were
Show Explanation

“Which is the next up train?” What does “up” represent here?

Federal Mock 3
English
Grammar and Punctuation
A) Noun
Show Explanation
B) Verb
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C) Adverb
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D) Adjective
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Select the word with the closest meaning to the given word:

Wrecked

Federal Mock 3
English
Key Vocabulary
A) Defined
Show Explanation
B) Developed
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C) Ruined
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D) Registered
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Select the word with the closest meaning to the given word:

Aghast

Federal Mock 3
English
Key Vocabulary
A) Critical
Show Explanation
B) Reluctant
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C) Happy
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D) Horrified
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Choose the correct spelling:

Federal Mock 3
English
Identify errors in sentence
A) Spontaneously
Show Explanation
B) Spontenaously
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C) Spontineously
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D) Spontaniously
Show Explanation

The box is _____ green outside and white inside.

Federal Mock 3
English
Key Vocabulary
A) Carved
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B) Created
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C) Painted
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D) Molded
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Which of the following ideas was not part of Charles Darwin’s theory of evolution by natural selection?

Federal Mock 3
Biology
Evolution
A) Organisms produce more off springs than the environment can support
Show Explanation
B) Variation between individuals arises by gene mutation
Show Explanation
C) Only those individuals best adapted by environment survive and reproduce
Show Explanation
D) Individuals compete for scarce resources
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Right ventricle connects with lungs by:

Federal Mock 3
Biology
Transport
A) Aorta
Show Explanation
B) Pulmonary veins
Show Explanation
C) Pulmonary artery
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D) Dorsal aorta
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Which statement about a triglyceride molecule are correct?

1. It always contains unsaturated hydrocarbon tails

2. It is formed using ester bonds

3. It does not form hydrogen bonds

4. It contains a hydrophilic glycerol head

Federal Mock 3
Biology
Biological Molecules
Lipids
A) 1, 2 and 3
Show Explanation
B) 2, 1 and 4
Show Explanation
C) 1 and 4 only
Show Explanation
D) 2 and 3 only
Show Explanation

In aerobic respiration most of the ATP is synthesized during:

Federal Mock 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
A) Oxidation of pyruvic acid
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B) Electron transport chain
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C) Krebs cycle
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D) Glycolysis
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Sperms are produced in:

Federal Mock 3
Biology
Reproduction
Reproduction in Animals
A) Vas deferens
Show Explanation
B) Collecting duct
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C) Epididymis
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D) Seminiferous tubules
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These hormones perform antagonistic function EXCEPT:

Federal Mock 3
Biology
Coordination and Control
Endocrine System and its Hormones
A) Growth Hormone – Somatostatin
Show Explanation
B) Calcitonin – Parathyroid
Show Explanation
C) Adrenaline – Noradrenaline
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D) Insulin – Glucagon
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Cell membrane of bacterial cell invaginates producing structure called:

Federal Mock 3
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Polysome
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B) Endosome
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C) Mesosome
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D) Centrosome
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Evolution of kiwi, food of modern horse, webbed feet of duck, and loss of teeth in whale were all explained in detail by:

Federal Mock 3
Biology
Evolution
A) Lamarck
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B) Darwin
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C) Weismann
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D) De Vries
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Which of the following is NOT TRUE about interferons?

Federal Mock 3
Biology
Transport
Immunity and its types
A) Belong to cytokines
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B) Activate natural killer cells
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C) Activate immune cells
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D) Secrete interleukin
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Pulmonary veins supply blood to the heart chamber:

Federal Mock 3
Biology
Transport
A) Right atrium
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B) Left atrium
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C) Right ventricle
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D) Left ventricle
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A muscle with characters like a spontaneous contraction, one nucleus per cell, and no control over contraction is most likely:

Federal Mock 3
Biology
Support and Movement
Types of Muscles
A) Smooth muscle
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B) Cardiac muscle
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C) Skeletal muscle
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D) Visceral muscle
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Trypsinogen is activated by:

Federal Mock 3
Biology
Nutrition
Digestion and Absorption
A) Chymotrypsin
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B) Enteropeptidase
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C) Trypsin
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D) HCl
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Intrinsic factor secreted by parietal cells of stomach mucosa helps in:

Federal Mock 3
Biology
Nutrition
Digestion and Absorption
A) Vitamin B12 absorption
Show Explanation
B) Protein digestion
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C) Carbohydrate breakdown
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D) Bowel movement
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First step of viral replication is:

Federal Mock 3
Biology
Variety of Life
A) Entry
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B) Assembly
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C) Uncoating
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D) Adsorption or Attachment
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Eukaryotic, multicellular, and consumers belong to ______ kingdom.

Federal Mock 3
Biology
Kingdom Animalia
A) Monera
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B) Protista
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C) Fungi
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D) Animalia
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The condition in which one of more genes that have no allelic counterpart is known as:

Federal Mock 3
Biology
Variation and Genetics
A) Homozygous
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B) Hemizygous
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C) Heterozygous
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D) Incomplete dominance
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This option is incorrect. The grana are stacks of thylakoid membranes found in the chloroplasts of plant cells. The grana are primarily involved in the light-dependent reactions of photosynthesis, where the absorption of light energy occurs.

Federal Mock 3
Biology
Bioenergetics
Chloroplasts
A) Grana
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B) Stroma
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C) Thylakoid
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D) Both Grana and Stroma
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Which of the following helps in maintaining balance?

Federal Mock 3
Biology
Coordination and Control
Central Nervous System
A) Hypothalamus
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B) Medulla Oblongata
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C) Cerebellum
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D) Pons
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Which of the following is found at the end of long bones, in the nose, larynx, and trachea?

Federal Mock 3
Biology
Gaseous Exchange
Respiratory System of Man
A) Elastic cartilage
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B) Fibrous cartilage
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C) Perichondrium
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D) Hyaline cartilage
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The chemical which regulates the enzymatic activity is:

Federal Mock 3
Biology
A) Activator
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B) Inhibitor
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C) Substrate
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D) Both A and B
Show Explanation

The word glycogenesis means, the conversion of:

Federal Mock 3
Biology
Nutrition
Digestion and Absorption
A) Glucose to glycogen
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B) Lactic acid to glycogen
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C) Glycogen to glucose
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D) Amino acid to glycogen
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Which of the following statement is incorrect:

Federal Mock 3
Biology
A) The competitive inhibitor binds to an alternative site.
Show Explanation
B) The substrate binds to the active site.
Show Explanation
C) Enzymes work best in optimum pH.
Show Explanation
D) Both the competitive inhibitor binds to an alternative site and the substrate binds to the active site.
Show Explanation

The RNA found in Ribosomes is:

Federal Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) mRNA
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B) rRNA
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C) tRNA
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D) Polysome
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Number of bones in skull is:

Federal Mock 3
Biology
Support and Movement
Human Skeleton
A) 8
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B) 14
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C) 22
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D) 33
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What explains the effect on a red blood cell of being placed into pure water?

Federal Mock 3
Biology
Transport
A) Less water leaves the cell than enters it, so the cell shrinks.
Show Explanation
B) More water enters the cell than leaves it, so the cell swells and bursts.
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C) Water enters the cells and none leaves it, so the cell swells and bursts.
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D) Water enters the cell and more leaves it, so the cell shrinks.
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Porins are present in:

Federal Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Mitochondria and golgi apparatus
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B) Mitochondria and chloroplast
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C) Mitochondria and ribosomes
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D) Golgi apparatus and chloroplast
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Nictitating membrane is found in the _____ and performs _____function.

Federal Mock 3
Biology
Evolution
A) Eyes … cleaning
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B) Brain … thinking
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C) Feet … locomotion
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D) Bones … supporting
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Hormones called gonadotropins are released by which gland?

Federal Mock 3
Biology
Coordination and Control
Endocrine System and its Hormones
A) Ovaries
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B) Hypothalamus
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C) Pituitary
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D) Testes
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How many fatty acid molecules are normally present in a fat or oil molecule?

Federal Mock 3
Biology
Biological Molecules
Lipids
A) 1
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B) 2
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C) 3
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D) 4
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Chlorophyll molecule resembles the haem group of hemoglobin, the main difference between these two molecules is that chlorophyll has ______ ion.

Federal Mock 3
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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Which of the following produce response?

Federal Mock 3
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Effectors
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B) Stimulators
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C) Nerve
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D) Brain
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Virus recognize host through:

Federal Mock 3
Biology
Bio-diversity | Variety of Life
A) Envelope
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B) DNA
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C) Capsid
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D) Protein Coat
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Apparently which bacteria is more resistant to antibiotics?

Federal Mock 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
A) Gram-positive bacteria
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B) Gram-negative bacteria
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C) Both Gram-negative and positive bacteria
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D) None of these options are correct
Show Explanation

Sensation of pleasure, punishment, or sexual arousal are stimulated by the parts of the brain:

Federal Mock 3
Biology
Coordination and Control
Central Nervous System
A) Hippocampus
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B) Hypothalamus
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C) Amygdala
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D) Thalamus
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The DNA of the bacterium is present in a distinct region called:

Federal Mock 3
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Nucleolus
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B) Centrosome
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C) Nucleoid
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D) Nucleus
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Rod-shaped bacteria are known as:

Federal Mock 3
Biology
Kingdom Prokaryote
Shape of Bacteria
A) Cocci
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B) Bacilli
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C) Spirilla
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D) None of these
Show Explanation

The axial skeleton of an adult human includes:

Federal Mock 3
Biology
Support and Movement
Human Skeleton
A) The skull, pectoral girdle, and ribs
Show Explanation
B) The skull, ribs, and bones of arms and legs
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C) The pectoral and pelvic girdles
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D) The ribs, the skull, the sternum, and the vertebrate
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Retrovirus cause diseases in:

Federal Mock 3
Biology
Bio-diversity | Variety of Life
A) Rodents
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B) Fowls
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C) Cats
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D) All of these
Show Explanation

In humans,________ is responsible for producing cell’s hydrogen peroxide.

Federal Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Lysosomes
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B) Mitochondria
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C) Peroxisomes
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D) glyoxysome
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Which substance might include this molecule?

Federal Mock 3
Biology
Biological Molecules
Lipids
A) Cellulose
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B) Cholesterol
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C) Glycerol
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D) Insulin
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The haploid number of chromosomes in human beings:

Federal Mock 3
Biology
Chromosomes and DNA
The Chromosomal Theory of Inheritance
A) 4
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B) 10
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C) 24
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D) 23
Show Explanation

Exoskeleton of cockroach is made up of:

Federal Mock 3
Biology
Support and Movement
A) Cartilage
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B) Cuticle
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C) Chitin
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D) Amino acids
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What describes a non-specific immune response?

Federal Mock 3
Biology
Transport
Immunity and its types
A) Activation of killer T lymphocytes by infected cells
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B) Cloning of B lymphocytes to form plasma cells
Show Explanation
C) Ingestion of a bacterial cell by a neutrophil
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D) Presentation of antigen on the cell surface of macrophages
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In many bacteria, the cell wall is enclosed within a slime capsule made up of:

Federal Mock 3
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
A) Polysaccharides
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B) Cellulose
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C) Amino acids
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D) Proteins
Show Explanation

Four words are shown below:

Branchioceranthus – sexual reproduction – nutritive – Hydra

These words can be used in the spaces P, Q, R, and S to complete the sentence below:

The coelenterates range in size from microscopic ___P____ to macroscopic, ___Q____, a hydrozoan polyp that may reach two meters in length. Cnidarians are found in two basic forms: the polyps and the medusae. Polyps are cylindrical animals, which in most cases are ____R____ in function, hence named as gastrozooids. The medusae are umbrella-like in form. These are free-swimming. The medusae are involved in ____S____ as they have gonads.

Federal Mock 3
Biology
Kingdom Animalia
Grade Radiata & Grade Bilateria
A) Option A
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B) Option B
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C) Option C
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D) Option D
Show Explanation

Platyhelminthes means:

Federal Mock 3
Biology
Kingdom Animalia
Classification according to Coelem
A) Flatworms
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B) Roundworms
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C) Segmented worms
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D) None of the above
Show Explanation

Role of lysosomes include:

Federal Mock 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
A) Store hydrolytic enzymes
Show Explanation
B) Perform autophagy
Show Explanation
C) Destruction of cell
Show Explanation
D) All of above
Show Explanation

HIV-I protease is an enzyme produced by the HIV virus. Two identical chains of 99 amino acids form the enzyme. In each chain, amino acids 25, 25 and 27 in the sequence form part of the active site. Which orders of protein structure control the shape of the active site?

Federal Mock 3
Biology
Bio-diversity | Variety of Life
A) Primary, secondary, tertiary and quaternary
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B) Primary, secondary and tertiary only
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C) Primary and quaternary only
Show Explanation
D) Quaternary only
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Cell surface markers are

Federal Mock 3
Biology
Cell Structure and Function
Plasma Membrane
A) Lipoproteins
Show Explanation
B) Glycolipids
Show Explanation
C) Sphingolipids
Show Explanation
D) Glycoproteins
Show Explanation

Germ Theory of disease was proposed by:

Federal Mock 3
Biology
Kingdom Prokaryote
Taxonomy, Ecology & Diversity of Bacteria
A) Leeuwenhoek
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B) Louis Pasteur
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C) Walther Flemming
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D) Robert Koch
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A woman can be bald only when she is

Federal Mock 3
Biology
Variation and Genetics
Inherited Diseases
A) Homozygous dominant
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B) Heterozygous
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C) Homozygous recessive
Show Explanation
D) None of these
Show Explanation

Which of the following phylum and its examples is NOT correct?

Federal Mock 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
A) Nematoda… Ascaris and hookworm
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B) Annelid … Nereis and leech
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C) Echinodermata … sea star and brittle star
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D) Platyhelminthes … Planaria and liver fluke
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E) Cnidaria … Euplectella and bath sponge
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In term of enzyme action, maximum temperature refers to a temperature at which?

Federal Mock 3
Biology
A) Enzymes start to denature
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B) Enzymes start to re-nature
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C) Enzymes work best
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D) Enzymes are reactivated
Show Explanation

In bacteria, the resistance against heat is provided by:

Federal Mock 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
A) Granules
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B) Cysts
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C) Spores
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D) Plasmids
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As the pH of the blood decreases, H+ ions increase, which combines with the protein part of hemoglobin, to decrease its ability to bind with:

Federal Mock 3
Biology
Gaseous Exchange
Transport of Gases
A) O2
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B) CO2
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C) CO
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D) H2
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It is the smallest eukaryote:

Federal Mock 3
Biology
Bio-diversity | Variety of Life
A) Virus
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B) Bacteria
Show Explanation
C) Plasmodium
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D) Sponge
Show Explanation

The life span of RBC is:

Federal Mock 3
Biology
Transport
A) 100 days
Show Explanation
B) 110 days
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C) 120 days
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D) 130 days
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Which of the following correctly shows structures which are found in a eukaryotic cell? (Yes present; No = absent)

Federal Mock 3
Biology
Cell Structure and Function
Prokaryotic and Eukaryotic Cells
A) No No No
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B) No Yes No
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C) Yes No No
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D) Yes No Yes
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E) Yes Yes Yes
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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 3
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
Show Explanation

What is the function of the cholesterol in a cell surface membrane?

Federal Mock 3
Biology
Cell Structure and Function
Plasma Membrane
A) Controlling active transport
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B) Acting as a membrane blood receptor
Show Explanation
C) Helping cells join together
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D) Regulating the flexibility at the membrane
Show Explanation

Gray matter of spinal cord does not contain:

Federal Mock 3
Biology
Coordination and Control
Central Nervous System
A) Cell bodies of sensory neurons
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B) Cell bodies of interneurons
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C) Axons of interneurons
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D) Cell bodies of motor neurons
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Vibrio cholera is an example of ______ type of bacteria.

Federal Mock 3
Biology
Kingdom Prokaryote
Shape of Bacteria
A) Cocci
Show Explanation
B) Bacilli
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C) Spirilla
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D) Commas
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Gigantism in human beings is caused due to over secretion of:

Federal Mock 3
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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Which combination describes a triglyceride?

Federal Mock 3
Biology
Biological Molecules
Lipids
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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At temperature higher than optimum, enzymatic activity decreases because of:

Federal Mock 3
Biology
A) Saturation
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B) Inhibition
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C) Denaturation
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D) Composition
Show Explanation

On receiving the news of the sudden demise of a close friend; which is the most probable hormone that is secreted at that time?

Federal Mock 3
Biology
Coordination and Control
Endocrine System and its Hormones
A) Prostaglandin
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B) Growth inhibitors
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C) Estrogen
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D) Adrenaline
Show Explanation

The reflex arc, which is made of two neurons is known as:

Federal Mock 3
Biology
Coordination and Control
Steps Involved in Nervous Coordination
A) Monosynaptic reflex arc
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B) Disynaptic reflex arc
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C) Polysynaptic reflex arc
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D) Asynaptic reflex arc
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How many chain isomer can be obtained from alkane C6H14 :

Federal Mock 3
Chemistry
Hydrocarbons
Alkanes and Paraffins
A) 7
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B) 6
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C) 5
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D) 4
Show Explanation

A carbonyl compound with molecular formula C5H10O reacted with iodine in an alkaline solution to give a pale yellow precipitate with an antiseptic smell.

The carbonyl compound is:

Federal Mock 3
Chemistry
Aldehydes and Ketones
Identification and Uses of Carbonyl Compounds
A) CH3CH2CH3CH3CHO
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B) CH3CH2CH2COCH3
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C) CH3CH2CH(CH3)CHO
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D) CH3CH2COCH2CH3
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Which of the following gives a free radical reaction when it reacts with alkanes?

Federal Mock 3
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Nitric acid
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B) Oxygen
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C) Halogen
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D) All of these options are correct
Show Explanation

It is impossible for two electrons to have same value of spin quantum number in the same orbital, according to:

Federal Mock 3
Chemistry
Atomic Structure
A) Hund’s rule
Show Explanation
B) Aufbau principle
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C) Pauli’s exclusion principle
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D) All of the above options are correct
Show Explanation

The number of electrons in the p subshell is:

Federal Mock 3
Chemistry
Atomic Structure
A) 2
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B) 14
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C) 10
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D) 6
Show Explanation

Formalin is an aqueous solution of:

Federal Mock 3
Chemistry
Aldehydes and Ketones
Identification and Uses of Carbonyl Compounds
A) Formic acid
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B) Formaldehyde
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C) Furfuraldehyde
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D) Acetone
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The maximum density of water is at:

Federal Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Properties of Liquids and Water
A) 2.98˚C
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B) 3.98 ˚C
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C) 4 ˚C
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D) 4.98 ˚C
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How many moles of CO2 contain 16g of oxygen?

Federal Mock 3
Chemistry
Stoichiometry
Mole
A) 5 mol
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B) 16 mol
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C) 0.5 mol
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D) 2 mol
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Identify the correct statement:

Federal Mock 3
Chemistry
s and p Block Elements
A) Element sodium can be prepared and isolated by electrolyzing an aqueous solution of NaCl
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B) Elemental Na is a strong oxidizing agent
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C) Elemental Na is insoluble in NH3
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D) Elemental Na is easily oxidizing
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Metals belonging to the same group in the periodic table are:

Federal Mock 3
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) Magnesium and Sodium
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B) Magnesium and Copper
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C) Magnesium and Barium
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D) Magnesium and Potassium
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The current in electrolysis is carried through:

Federal Mock 3
Chemistry
Electrochemistry
Electrolysis
A) Free electrons
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B) Positive ions
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C) Negative ions
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D) Both Options B and C are correct
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The shape of sulphate ion is:

Federal Mock 3
Chemistry
s and p Block Elements
A) Hexagonal
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B) Square planar
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C) Trigonal bipyramidal
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D) Tetrahedral
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Which class of the compounds is represented by the type formula ROR?

Federal Mock 3
Chemistry
Aldehydes and Ketones
Preparation of Aldehydes And Ketones
A) Esters
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B) Ethers
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C) Aldehydes
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D) Ketones
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Which of the following represents the equation for the reaction between ethane and chlorine in the presence of UV radiation?

Federal Mock 3
Chemistry
Hydrocarbons
A) C2H4 + Cl2 -> C2H2Cl2 + H2
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B) C2H4 + Cl2 -> C2H3Cl + HCl
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C) C2H4 + Cl2 -> 2CH3Cl
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D) C2H4 + O2 -> 2CH2Cl + 2HCl
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A peptide having up to 10,000 amino acids is called as _______ ?

Federal Mock 3
Chemistry
Chemistry of Life
Proteins
A) Dipeptide
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B) Protein
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C) Polypeptide
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D) Peptide
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Which compound is most ionic?

Federal Mock 3
Chemistry
Chemical Bonding
A) Li2O
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B) MgO
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C) AlF
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D) NaF
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A piston in a cylinder is a part of:

Federal Mock 3
Chemistry
Thermochemistry
System, Surrounding and State Function
A) System
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B) Surroundings
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C) Boundary
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D) None of these options are correct
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Which contains sp2 hybridization?

Federal Mock 3
Chemistry
Fundamental Principles of Organic Chemistry
A) Methane
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B) Ethane
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C) Alkyne
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D) None of these options are correct
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78 g of a hydrocarbon occupies 22.414 dm3 of volume at S.T.P. The empirical formula of the hydrocarbon is CH. The molecular formula of this hydrocarbon is:

Federal Mock 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
A) C2H4
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B) C6H6
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C) C8H8
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D) C4H4
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Which quantum number tells shape of the orbital?

Federal Mock 3
Chemistry
Atomic Structure
A) Magnetic quantum number
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B) Spin quantum number
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C) Azimuthal quantum number
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D) Principle quantum number
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BH3 has H-B-H bond angles of 120˚ with a shape of:

Federal Mock 3
Chemistry
Chemical Bonding
VSEPR Theory
A) Linear
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B) Trigonal planar
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C) Tetrahedron
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D) Bent
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[Fe(CN)6]4- is called as ______?

Federal Mock 3
Chemistry
s and p Block Elements
A) Complex compound
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B) Transition element ion
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C) Anion
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D) Complex anion
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The evaporation of water is an example of?

Federal Mock 3
Chemistry
Thermochemistry
Spontaneous and Non-Spontaneous Reactions
A) Endothermic reaction
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B) Exothermic reaction
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C) Spontaneous reaction
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D) Chemical reaction
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If the temperature of reaction medium increases above the optimum temperature, then _______?

Federal Mock 3
Chemistry
Macromolecules
A) It increases the enzyme activity
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B) Stops the reaction
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C) Decreases the enzyme activity
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D) Both Options B and C are correct
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In the electrolysis of molten ZnCl2, how much Zn can be deposited at the cathode by the passage of 0.01 ampere for one hour?

Federal Mock 3
Chemistry
Electrochemistry
Electrolysis
A) 0.002 g
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B) 0.123 g
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C) 0.012 g
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D) 0.004 g
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Oxidation of primary alcohol gives:

Federal Mock 3
Chemistry
Alcohol, Phenols, and Ethers
A) Ketone
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B) Aldehyde
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C) Ester
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D) Amide
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Ideal gas equation is:

Federal Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
Gas Laws and General Gas Equation
A) P = nRT
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B) PV = RT
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C) V = nRTP
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D) PV = nRT
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The strength of London forces depends on the size of:

Federal Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids
A) Electrons
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B) Electronic cloud
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C) Lone pair on an atom
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D) Poles of atoms
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The substance which conducts electricity by the movement of ions:

Federal Mock 3
Chemistry
s and p Block Elements
A) Graphite
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B) Copper
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C) Molten NaCl
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D) Mercury
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Given the bond energy N ≡ N, N – H and H – H bonds are 945, 391, and 436 kJmol-1 respectively, the enthalpy of the reaction N2(g) + 3H2(g) -> 2NH3(g) is;

Federal Mock 3
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) -93 kJ
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B) 102 kJ
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C) 90 kJ
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D) 105 kJ.
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Example of nucleophile is:

Federal Mock 3
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
A) BF3
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B) SO3
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C) AlCl3
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D) CN
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Which increases down the group for alkali metals?

Federal Mock 3
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
A) Electron affinity
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B) Reactivity
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C) Ionisation energy
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D) All of the above options are correct
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The oxidation number of iodine is periodic acid (H5IO6) is:

Federal Mock 3
Chemistry
Electrochemistry
Oxidation Number or State
A) +7
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B) +3
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C) +6
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D) +5
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The number of nitrogen atoms present in 160 amu of ammonium nitrate are:

Federal Mock 3
Chemistry
Stoichiometry
Mole
A) 4
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B) 5
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C) 6
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D) 8
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Which of the following statements is true?

Federal Mock 3
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) Alkali metal hydroxides are stable to heat except LiOH
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B) CaOH is a stronger base than NaOH
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C) When NaOH is made the gas released at the cathode is C12
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D) NaOH is named as caustic soda because it reacts with fats to form soap.
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For which equilibrium does Kchas no unit?

Federal Mock 3
Chemistry
Chemical Equilibrium
Equilibrium Constant
A) C(s) + H2O(g) -> CO(g) + H2(g)
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B) CH3O(l) + CH3CO2H(l) -> CH2CO2CH2(l) + H2O (l)
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C) Cu2+(aq) + 4NH2(aq) -> Cu(NH2)23+ (aq)
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D) N2O4(g) -> 2NO2
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Which class of halogenoalkane can react with alkali by an SN2 mechanism?

Federal Mock 3
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) Primary and secondary
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B) Secondary and tertiary
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C) Primary and tertiary
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D) Primary, secondary and tertiary
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Point out the property which is not characteristic of alkali metal:

Federal Mock 3
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
A) Low electronegativity
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B) Low melting point
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C) Their ions are isoelectronic with noble gas
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D) High ionization energy
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Which one of the following has greater bond energy?

Federal Mock 3
Chemistry
Chemical Bonding
Bond Energy and Bond Length
A) HF
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B) HCl
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C) HBr
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D) HI
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On hydrogen atom spectrum, series of spectral lines which fall within visible region, is:

Federal Mock 3
Chemistry
Atomic Structure
A) Lymen series
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B) Balmer Series
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C) Paschen series
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D) Bracket series
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Fossil fuels are produced due to ______ ?

Federal Mock 3
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Principles of Organic Chemistry
A) Fast decomposition of organic matter
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B) Decomposition of plants
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C) Decomposition of animals
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D) Biochemical decomposition of dead organic matter
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Diamond is:

Federal Mock 3
Chemistry
s and p Block Elements
A) Covalent solid
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B) Molecular solid
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C) Metallic solid
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D) Ionic solid
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Diameter of an atom is in the range of?

Federal Mock 3
Chemistry
Atomic Structure
Bohrs Model of Atom
A) 0.2m
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B) 0.2 nm
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C) 2 x 10^-19nm
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D) 0.2 pm
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Carboxylic acids are produced by the oxidation of _______?

Federal Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Alcohol
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B) Aldehyde
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C) Ketone
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D) All of these options are correct
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Oxidation number of an element in free state is:

Federal Mock 3
Chemistry
Electrochemistry
Oxidation Number or State
A) +1
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B) +2
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C) 0
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D) -1
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Why does Cr show 3d54s1 configuration instead of 3d44s2?

Federal Mock 3
Chemistry
d and f Block Elements
A) Because it is transition element
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B) Because it shows different oxidation states
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C) Because of extra stability of half filled d5 system
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D) Because it is typical transition element
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The second and third period contain:

Federal Mock 3
Biology
Periodicity in Elements
Introduction to the Periodic Table
A) 18 elements each
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B) 32 elements each
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C) 8 elements each
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D) 14 elements each
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Electron affinity decreases down the group due to:

Federal Mock 3
Chemistry
Chemical Bonding
Electron Affinity and Electronegativity
A) Increase in atomic radius
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B) Decrease in atomic radius
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C) Increase in electronegativity
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D) All of the above options are correct
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Which one of the following is not a secondary alkyl halide?

Federal Mock 3
Chemistry
Alkyl Halides and Amines
Reactivity and Reactions of Alkyl Halides
A) 2-Chloropropane
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B) 3-Bromobutane
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C) 2,3,dichloropentane
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D) 2-chloro,2-methyl pentane
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Homocyclic hydrocarbons are further divided into:

Federal Mock 3
Chemistry
Hydrocarbons
Introduction to Hydrocarbons
A) Alicyclic and aromatic
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B) Carbocyclic and heterocyclic
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C) Acyclic and heterocyclic
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D) Heterocyclic and aromatic
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If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M are:

Federal Mock 3
Chemistry
Chemical Bonding
VSEPR Theory
A) Pure p
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B) sp hybrids
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C) sp2 hybrids
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D) sp3 hybrids
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Element X is in group 3 and element Y is in group 6 of the periodic Table. Which of the following is the most likely formula of the compound formed when X and Y react together?

Federal Mock 3
Chemistry
s and p Block Elements
Introduction to s and p Block Elements
A) X3Y2
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B) X3Y6
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C) X2Y3
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D) None of these
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Addition of a second electron to a uni-negative ion is always _______?

Federal Mock 3
Chemistry
Chemical Bonding
Electron Affinity and Electronegativity
A) An endothermic process
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B) An exothermic process
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C) Neutral process
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D) Energy wasted
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Magnesiums keep on burning in:

Federal Mock 3
Chemistry
s and p Block Elements
General Behaviour of Alkali and Alkaline Earth Metals
A) CO2
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B) Magnesium and Copper
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C) N2O
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D) N2 as well as CO2
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The path difference for the constructive interference is:

Federal Mock 3
Physics
Wave Motion and Sound
A) (n-1) λ
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B) (n+1) λ
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C) n λ/2
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D) nλ.
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A force F = 0.12 N is applied on a spring and the spring elongates by 3 cm. The specific constant of the spring is?

Federal Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) 0.4 Nm-2
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B) 40 Nm-1
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C) 400 Nm-1
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D) 4 Nm-1
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Which of the following is not true?

Federal Mock 3
Physics
Forces and Motion
A) Momentum is quantity of motion
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B) Unit of momentum is N.s
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C) Momentum is not a vector quantity
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D) Momentum is product of mass and velocity
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Conversion of heat energy completely into work violates:

Federal Mock 3
Physics
Heat and Thermodynamics
Second Law of Thermodynamics
A) Zeroth law of thermodynamics
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B) 1st law of thermodynamics
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C) 2nd law of thermodynamics
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D) 1st and 2nd law of thermodynamics
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The slope of displacement-time graph is:

Federal Mock 3
Physics
Forces and Motion
A) Velocity
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B) Displacement
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C) Acceleration
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D) Distance
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Alpha rays are nuclear radiations. They are in fact same as the __________ nuclei.

Federal Mock 3
Physics
Nuclear Physics
Radioactivity
A) Hydrogen
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B) Deuterium
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C) Tritium
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D) Helium
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A motorist travelling at 10 ms^-1 can bring his car to rest in a braking distance of 10 m. In what distance could he bring the car to rest from the period of 30 ms^-1 using the same breaking force?

Federal Mock 3
Physics
Forces and Motion
A) 17m
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B) 30 m
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C) 52 m
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D) 90 m
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Two stones, 10kg and 50kg fall through 80m high cliff. Which stone has greater velocity at bottom? (ignoring air resistance)

(g=10ms-2)

Federal Mock 3
Physics
Forces and Motion
A) 10kg
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B) 50kg
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C) Both have same velocity
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D) Cannot be calculated
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Find the resistance if voltage of the circuit is 45 volts and current 30 Amp.

Federal Mock 3
Physics
Current Electricity
Ohms Law
A) 1.6 ohm
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B) 1.5 ohm
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C) 1.7 ohm
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D) 1.8 ohm
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In perfect elastic collision

Federal Mock 3
Physics
Forces and Motion
A) Only momentum is conserved
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B) Only total energy is conserved
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C) Only kinetic energy is conserved
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D) Momentum, kinetic energy, and total energy is conserved
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A frictional piston-cylinder based enclosure contains some amount of gas at a pressure of 400k Pa. Then heat is pressure in a quasi-static process. The piston moves up slowly through a height of 10cm. lf the piston has across section area of 0.3m2,the work done by the gas in the process is:

Federal Mock 3
Physics
Heat and Thermodynamics
Work and Heat
A) 6kj
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B) 12kj
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C) 75kj
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D) 24kj
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If the mass of the bob of simple pendulum is doubled, its time period is:

Federal Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) One half
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B) Doubled
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C) Remains constant
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D) One fourth
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A boy is standing in a lift falling freely under gravity and releases a ball from hand. As seen by the ball, the boy:

Federal Mock 3
Physics
Gravitation
Real and Apparent Weight
A) Falls down
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B) Remains stationary
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C) Remains stationary
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D) None of above
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In rotational motion, angular momentum plays a role which is analogous to that played by _____ in linear motion.

Federal Mock 3
Physics
Circular Motion & Momentum
A) Linear velocity
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B) Linear momentum
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C) Linear acceleration
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D) Inertia
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The range of the projectile when launched at an angle of 15 degrees with the horizontal is 15 m. Its range, when launched at 45 degrees with the same speed is:

Federal Mock 3
Physics
Forces and Motion
Motion in Two Dimensions
A) 30.0 m
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B) 1.5 m
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C) 6.0 km
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D) 0.752 km
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If an ideal gas has volume V at 27°C and it is heated at constant pressure so that it volume become 1.5V, the value of final temperature is:

Federal Mock 3
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) 327K
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B) 871K
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C) 177°C
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D) 600°C
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The light exhibits the phenomena of constructive interference under the situation when it is __________ and __________.

Federal Mock 3
Physics
Wave Motion and Sound
A) Monochromatic and in Phase
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B) Monochromatic and out of Phase
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C) In phase and non-monochromatic
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D) Out of phase and non-monochromatic
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How much work is done by force of gravity in pulling a stone of weight 10N from the top of 250m high cliff to the foot of cliff?

Federal Mock 3
Physics
Forces and Motion
A) 250J
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B) 25J
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C) 2500J
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D) 25,000J
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The net enthalpy change in a chemical reaction is same whether it is brought about in two or more different ways in one or several steps. It is known as:

Federal Mock 3
Chemistry
Thermochemistry
Enthalpies of Reactions and its Types
A) Joule’s law
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B) Law of conservation of energy
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C) Hess’s law
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D) Henry’s law
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A wire of initial length L and radius r is stretched by a length I. Another wire of the same material but with an initial length of 2L and radius 2r is stretched by length 2l. The ratio of the stored elastic energy per unit volume in the first and second wire is:

Federal Mock 3
Physics
Work, Power & Energy
A) 1:4
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B) 1:2
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C) 2:1
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D) 1:1
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A wire carries a current out of the page. Which diagram below correctly describes the magnetic field of the wire?

Federal Mock 3
Physics
Magnetism and Electromagnetic Induction
Magnetic Field Due to Current in a Long Straight Wire
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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The concept of work function was given by ______.

Federal Mock 3
Physics
Dawn of Modern Physics
Photoelectric Effect
A) Bohr
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B) Einstein
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C) Rutherford
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D) None of these options is correct
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A man throws a ball vertically upward in the compartment of an accelerated train. The ball will fall:

Federal Mock 3
Physics
Forces and Motion
Motion in Two Dimensions
A) ln front of him
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B) In his hand
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C) Behind him
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D) Beside him
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The time rate of change of velocity is called:

Federal Mock 3
Physics
Forces and Motion
A) Force
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B) Acceleration
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C) Power
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D) Energy
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In projectile motion, the range of projectile will be maximum at an angle of:

Federal Mock 3
Physics
Forces and Motion
A) 30 degrees
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B) 45 degrees
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C) 80 degrees
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D) 90 degrees
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The average translational kinetic energy for molecule of an ideal gas is given by:

Federal Mock 3
Physics
Heat and Thermodynamics
Kinetic Theory of Gases
A) A
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B) B
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C) C
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D) D
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What is a typical value for the order of magnitude of the resistivity of copper?

Federal Mock 3
Physics
Current Electricity
Resistivity and its Dependence upon Temperature
A) 10^-8Ωm
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B) 10^-10Ωm
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C) 10^-6Ωm
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D) 10^2Ωm
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In a ripple tank 100 waves pass through a certain point in one second. If the wavelength of the wave is 1cm then the speed of the wave will be?

Federal Mock 3
Physics
Wave Motion and Sound
A) 1 ms-1
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B) 2 ms-1
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C) 3 ms-1
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D) 4 ms-1
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A thermodynamic system undergoes a process in which its internal energy decreases by 300 J. If at the same time 120 J of work is done on the system, find the heat lost by the system.

Federal Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) -420 J
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B) 420 J
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C) 80 J
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D) -80 J
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Instantaneous acceleration of system executing SHM is directed:

Federal Mock 3
Physics
Oscillations and Simple Harmonic Motion
A) Towards the mean position
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B) Away from the mean position
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C) Perpendicular to the mean position upward
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D) Perpendicular to the mean position downward
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When the speed of your car is halved, by what factor does its kinetic energy decrease?

Federal Mock 3
Physics
Forces and Motion
A) 1/2
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B) 1/4
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C) 1/8
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D) 1/6
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Which row describes the oscillations of two moving particles in a stationary wave that are separated by a distance of half a wavelength?

Federal Mock 3
Physics
Wave Motion and Sound
A) A
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B) B
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C) C
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D) D
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An alpha particle is ejected from the nucleus of an atom. Which of the following answers describes the change in the nucleus of the atom?

Federal Mock 3
Physics
Nuclear Physics
Radioactivity
A) The atomic number increases by 1, and the mass number remains unchanged.
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B) The atomic number increases by 1, and the mass number decreases by 4.
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C) The atomic number increases by 1, and the mass number increases by 2.
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D) The atomic number increases by 2, and the mass number increases by 4.
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E) The atomic number decreases by 2, and the mass number decreases by 4.
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