The total energy of a hydrogen atom in its ground state is:

KPK Mock 3
Chemistry
A) Zero
Show Explanation
B) Negative
Show Explanation
C) Positive
Show Explanation
D) None of the above
Show Explanation

Select mineral that is considered as a macronutrient.

KPK Mock 3
Chemistry
A) Phosphorus
Show Explanation
B) Zinc
Show Explanation
C) Iron
Show Explanation
D) Iodine
Show Explanation

In which of the following pairs are both substances normally crystalline?

KPK Mock 3
Chemistry
A) Copper and diamond
Show Explanation
B) Copper and glass
Show Explanation
C) Copper and rubber
Show Explanation
D) Diamond and glass
Show Explanation

Which is not true about Grignard reagent?

KPK Mock 3
Chemistry
A) They are highly reactive compounds
Show Explanation
B) They are very stable compounds and can be isolated easily
Show Explanation
C) They have synthetic importance
Show Explanation
D) They are represented by general formula RMgX
Show Explanation

Select the true statement about the amorphous solids:

KPK Mock 3
Chemistry
A) Amorphous substances have a sharp melting point
Show Explanation
B) Amorphous substances do not have fixed a melting point
Show Explanation
C) Amorphous substances have proper geometrical shapes
Show Explanation
D) The particles in amorphous substances are arranged in an orderly manner
Show Explanation

For all adiabatic processes:

KPK Mock 3
Physics
A) The entropy of the system does not change
Show Explanation
B) The entropy of the system increases
Show Explanation
C) The entropy of the system decreases
Show Explanation
D) The entropy of the system does not decrease
Show Explanation

The energy difference between adjacent energy levels of the hydrogen atom:

KPK Mock 3
Chemistry
A) Increases with increasing energy
Show Explanation
B) Decreases with increasing energy
Show Explanation
C) First increases and then decreases with increasing energy
Show Explanation
D) First decreases and then increases with increasing energy
Show Explanation

Which one of the following is strongest acid?

KPK Mock 3
Chemistry
A) CH3COOH
Show Explanation
B) CH3 CH2 COOH
Show Explanation
C) C6H5CG2COOH
Show Explanation
D) FCH2COOH
Show Explanation

Which of the following substitutents is an Ortho and Para director and ring deactivating?

KPK Mock 3
Chemistry
A) –OH
Show Explanation
B) –NH2
Show Explanation
C) –Cl
Show Explanation
D) –OCH3
Show Explanation

What is the number of hydrogen atoms in 5 moles of water?

KPK Mock 3
Chemistry
A) 3.0115 × 1024
Show Explanation
B) 6.023 × 1024
Show Explanation
C) 6.023 x 1023
Show Explanation
D) 5.0 x 1023
Show Explanation

Which of the following is not a ferromagnetic substance?

KPK Mock 3
Chemistry
A) Iron
Show Explanation
B) Cobalt
Show Explanation
C) Nickel
Show Explanation
D) Barium
Show Explanation

Which of the following misnamed?

KPK Mock 3
Chemistry
Carboxylic Acids and its Derivatives
A) Aniline
Show Explanation
B) Methyl naphthalene
Show Explanation
C) Carboxyl benzene
Show Explanation
D) Benzene sulphonic acid
Show Explanation

Choose reactants whose reaction product is ester:

KPK Mock 3
Chemistry
A) CH3COOH and CH3OCH3
Show Explanation
B) CH3COOH and C2H5OH
Show Explanation
C) CH3COOH and CH3CHO
Show Explanation
D) CH3COOH and CH3COCH3
Show Explanation

Conc. HCI is added to a metal salt and then subjected to flame test on platinum wire. It Imparts crimson color to the flame. Which metal salt it is?

KPK Mock 3
Chemistry
A) Sodium
Show Explanation
B) Potassium
Show Explanation
C) Strontium
Show Explanation
D) Calcium
Show Explanation

Which one of the following compound participates in hydrogen bonding?

KPK Mock 3
Chemistry
A) CH3
Show Explanation
B) CH3 OCH3
Show Explanation
C) CH3NH3
Show Explanation
D) C6 H5 OCH3
Show Explanation

The shape of SnCl2 is:

KPK Mock 3
Chemistry
A) Linear
Show Explanation
B) Trigonal pyramidal
Show Explanation
C) Trigonal planar
Show Explanation
D) Angular
Show Explanation

Sodium chloride crystal structure is:

KPK Mock 3
Chemistry
A) Hexagonal
Show Explanation
B) Body centered cubic
Show Explanation
C) Face centered cubic
Show Explanation
D) Tetragonal
Show Explanation

To distinguish among primary, secondary and tertiary alcohols which of the following tests is used?

KPK Mock 3
Chemistry
A) Benedicts reagent
Show Explanation
B) Tollen‘s reagent
Show Explanation
C) Lucas test
Show Explanation
D) None of the above
Show Explanation

Which is the strongest acid?

KPK Mock 3
Chemistry
A) CH3COOH
Show Explanation
B) CH2CICOOH
Show Explanation
C) CHCl2COOH
Show Explanation
D) CCl3COOH
Show Explanation

Both NaNO3 an CaCO3 crystallize in Rhombohedral forms therefore they are:

KPK Mock 3
Chemistry
A) Allotropes
Show Explanation
B) Polymorphous
Show Explanation
C) Isomorphous
Show Explanation
D) None of these
Show Explanation

N2(g) + 3H2 (g) ——> 2NH3(g), △H= 46.1 kj/mole
For the reaction above which statement is true about the equilibrium constant (Keq):

KPK Mock 3
Chemistry
A) Keq Increases with increase in temperature
Show Explanation
B) Keq decreases with increase in temperature
Show Explanation
C) Keq decreases with ncrease in pressure
Show Explanation
D) Keq increases with decrease in pressure
Show Explanation

Primary amines on treatment with alkyl halide yield;

KPK Mock 3
Chemistry
A) Secondary amine
Show Explanation
B) Tertiary amine
Show Explanation
C) Quaternary ammonium salt
Show Explanation
D) Mixture of (a), (b) & (c)
Show ExplanationA

The major product of acid catalysed dehydration of 3- pentanol is:

KPK Mock 3
Chemistry
A) 1-pentane
Show Explanation
B) 2-Pentene
Show Explanation
C) 2-Methyle butane
Show Explanation
D) 3-Methyle butane
Show Explanation

Milk of magnesia is used for treatment of acidity in stomach, its formula is:

KPK Mock 3
Chemistry
A) Mg(OH)2
Show Explanation
B) MgSO4
Show Explanation
C) Ca(OH)2
Show Explanation
D) CaSO4
Show Explanation

Which one of the following is most ionic?

KPK Mock 3
Chemistry
A) NaCl
Show Explanation
B) MgCl2
Show Explanation
C) KCl
Show Explanation
D) AlCl3
Show Explanation

The reduction of aldehydes and ketones in the presence of zinc amalgam and HCl is termed as:

KPK Mock 3
Chemistry
A) Grignard reduction
Show Explanation
B) Clemmenson reduction
Show Explanation
C) Wolf-kishner reduction
Show Explanation
D) Friedel-craft reduction
Show Explanation

Molar extinction coefficient (ε) a constant in Beer- Lambert law is the characteristics of the:

KPK Mock 3
Chemistry
A) Solute
Show Explanation
B) Solvent
Show Explanation
C) Concentration
Show Explanation
D) All of the above
Show Explanation

Which of the following compounds does not give iodoform test on reaction with I2 and NaOH?

KPK Mock 3
Chemistry
A) Propanone
Show Explanation
B) Ethanol
Show Explanation
C) Butanone
Show Explanation
D) 2-Propanol

Which of the following ions can act both as bronsted acid and base in solvent water

KPK Mock 3
Chemistry
A) CN–
Show Explanation
B) SO4 –2
Show Explanation
C) CHO3-
Show Explanation
D) PO4-3
Show Explanation

Equal volume of different gases under same condition of temperature and pressure contain the same number of particles. The above statement is of:

KPK Mock 3
Chemistry
A) Avogadro‘s law
Show Explanation
B) Graham‘s Law
Show Explanation
C) Dalton‘s law
Show Explanation
D) Hund‘s rule
Show Explanation

Which of the following is not a nucleophile?

KPK Mock 3
Chemistry
A) NH3
Show Explanation
B) HO
Show Explanation
C) HC = CH
Show Explanation
D) Br2
Show Explanation

Which one of the following does not exist?

KPK Mock 3
Chemistry
A) HBO2
Show Explanation
B) HFO2
Show Explanation
C) H3PO3
Show Explanation
D) HBrO2
Show Explanation

In themain postulates of Bohr atomic theory the angular momentum of electron in hydrogen atom is given by the relationship.

KPK Mock 3
Chemistry
A) Option A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

Milk sugar is pasteurized by heating for 15 seconds at the temperature of:

KPK Mock 3
Chemistry
A) 60 oC
Show Explanation
B) 71 oC
Show Explanation
C) 50 oC
Show Explanation
D) 80 oC
Show Explanation

Which of following functional groups are deactivating and not ortho, para directing?

KPK Mock 3
Chemistry
A) –R
Show Explanation
B) –COR
Show Explanation
C) –NH2
Show Explanation
D) NR2
Show Explanation

Aiman in laboratory dissolve 4g of NaOH in 250ml of water. The molarity of this solution is:

KPK Mock 3
Chemistry
A) 0.4M
Show Explanation
B) 4M
Show Explanation
C) 0.2M
Show Explanation
D) 0.1M
Show Explanation

Which of the following compounds undergo nitration most readily?

KPK Mock 3
Chemistry
A) Benzene
Show Explanation
B) Toluene
Show Explanation
C) Benzoic acid
Show Explanation
D) Nitrobenzene
Show Explanation

The smaller the value of pKb:

KPK Mock 3
Chemistry
Acids, Bases and Salts
Strength of Acid and Bases
A) The weaker the base
Show Explanation
B) The stronger the base
Show Explanation
C) The stronger the acid
Show Explanation
D) None of the above
Show Explanation

Select the strongest acid

The pKa values are given:

KPK Mock 3
Chemistry
A) HI, pKa=10
Show Explanation
B) HCN, pKa=9.4
Show Explanation
C) H2SO4, pKa = 1.8
Show Explanation
D) HNO3, pKa = 3.0
Show Explanation

Pure water freezes at 0 oC and boils at 100 oC at standard conditions. Calcium chloride was added to pure water. What do you expect about its freezing point and boiling point?

KPK Mock 3
Chemistry
A) No change in its freezing point and boiling point
Show Explanation
B) Freezing point increases and boiling point decreases.
Show Explanation
C) Freezing point increases and boiling point increases
Show Explanation
D) Freezing point decreases and boiling point increases
Show Explanation

Which of the following ions play important role in the transportation of carbon dioxide?

KPK Mock 3
Chemistry
A) Sodium
Show Explanation
B) Potassium
Show Explanation
C) Bicarbonate
Show Explanation
D) Chloride
Show Explanation

Choose group that cause solubility of the dye in acids.

KPK Mock 3
Chemistry
A) –OH
Show Explanation
B) –NH2
Show Explanation
C) –SO2H
Show Explanation
D) –COOH
Show Explanation

Choose the IUPAC name of the following compound:

KPK Mock 3
Chemistry
A) 4- Methyl-1-Pentene
Show Explanation
B) 2- Methyl-3- Pentene
Show Explanation
C) 2- Methyl-2- Pentene
Show Explanation
D) 4,4-Dirnethyl-2-Pentene
Show Explanation

The bond angle between H-C-H bond in ethane is:

KPK Mock 3
Chemistry
A) 109.5
Show Explanation
B) 120
Show Explanation
C) 90
Show Explanation
D) 107.5
Show Explanation

Choose the type of hybridization of carbon atoms in cyclopropane and the bond angle C–C–C.

KPK Mock 3
Chemistry
A) Sp3, 109.5*
Show Explanation
B) Sp3, 60*
Show Explanation
C) Sp2, 120*
Show Explanation
D) Sp2, 107*
Show Explanation

Hemiacetal containing both

KPK Mock 3
Chemistry
A) Alcohol and aldehyde functional groups
Show Explanation
B) Alcohol and ether functional groups
Show Explanation
C) Aldehyde and ether functional groups
Show Explanation
D) Alcohol and carboxylic acid functional groups
Show Explanation

Choose the compound in which hydrogen bonding is not possible:

KPK Mock 3
Chemistry
A) H2O
Show Explanation
B) HCl
Show Explanation
C) CH3COOH
Show Explanation
D) CH3OCH3
Show Explanation

Which of the following structure has a bond formed by an overlap of sp2 hybrid orbital with that of sp hybrid orbital?

KPK Mock 3
Chemistry
A) HC = CH
Show Explanation
B) H2C = CH2
Show Explanation
C) H2C = C= CH2
Show Explanation
D) CH2 = CHCH3
Show Explanation

The compound used in borax bead test for the detection of basic redicals to form colored bead is:

KPK Mock 3
Chemistry
A) H2BO2
Show Explanation
B) (C2H5)3BO3
Show Explanation
C) Ca2B6O115H2O
Show Explanation
D) Na2B4O710H2O
Show Explanation

Carbylamine test is given by:

KPK Mock 3
Chemistry
A) Primary amines
Show Explanation
B) Secondary amines
Show Explanation
C) Tertiary amines
Show Explanation
D) All of these
Show Explanation

Phosphodiester linkage is formed between.

KPK Mock 3
Chemistry
A) Two nucleotide bases
Show Explanation
B) Amino acid
Show Explanation
C) Two sugar
Show Explanation
D) Nucleotides and phosphates
Show Explanation

Which of the following compound will react most readily with bromine in CCl4?

KPK Mock 3
Chemistry
A) 1-pentane
Show Explanation
B) 2-pentane
Show Explanation
C) 2-Methyle-1- butane
Show Explanation
D) 3-Methyle-1- butane
Show Explanation

Which of the following compound is assigned the octane number of 100?

KPK Mock 3
Chemistry
A) n-heptane
Show Explanation
B) n-octane
Show Explanation
C) 2,3,3-trimethyl pentane (D) 2,2,4-trimethyl
Show Explanation
D) 2,2,4-trimethyl pentane
Show Explanation

An acid is a substance which accepts:

KPK Mock 3
Chemistry
A) An electron pair
Show Explanation
B) Proton
Show Explanation
C) An electron
Show Explanation
D) Pair of proton
Show Explanation

In the following question, various terms of an alphabet sequence are given with one or more terms missing as shown by (?). Choose the missing term.

Z, ?, T, ?, N, ?, H, ?, B

KPK Mock 3
Logical Reasoning
Letters and Symbols Series
A) W, Q, K, E
Show Explanation
B) W, R, K, E
Show Explanation
C) X, Q, K, E
Show Explanation
D) X, R, K, E
Show Explanation

STATEMENTS:

I. The dialogue between Jinnah and Gandhi failed.

Il. Indian National Congress and Muslim League tried to join hands, so they will be united.

KPK Mock 3
Logical Reasoning
Cause and Effect
A) Statement I is the cause and statement II is its effect.
Show Explanation
B) Statement II is the cause and statement I is its effect.
Show Explanation
C) Both statements I and II are independent causes
Show Explanation
D) Both statements I and II are the effects of independent cause.
Show Explanation

Directions: Read the following information and give answer.

Ghulam Rasool is shorter than Ali but taller than Kamran.
Naeem is shorter than Kamran.
Jameel is taller than Naeem.
Ali is taller than Jameel.
Who among them is the tallest?

KPK Mock 3
Logical Reasoning
Logical Deduction
A) Ali
Show Explanation
B) Naeem
Show Explanation
C) Kamran
Show Explanation
D) Jameel
Show Explanation

Statement:

The increasing population of our nation will lead to the depletion of many essential resources.

Conclusion:

I. Population of our nation can be controlled.

II. The nation will not be able to provide a decent living to its citizens.

KPK Mock 3
Logical Reasoning
Critical Thinking
A) Only conclusion I follows.
Show Explanation
B) Only conclusion II follows.
Show Explanation
C) Either conclusion I or II follows.
Show Explanation
D) Both conclusion I and II follows.
Show Explanation

Statements:

All flowers are trees. No fruit is tree.

Conclusions:

I. No fruit is flower.

II. Some trees are flowers.

Which of the following is/are most appropriate in the above scenario?

KPK Mock 3
Logical Reasoning
Logical Problems
A) Only I
Show Explanation
B) Only II
Show Explanation
C) I and II
Show Explanation
D) I and II are inappropriate
Show Explanation

Statement: There is an unprecedented increase in the migration of villagers to urban areas as repeated crop failure has put them into a precarious financial situation.
Courses of Action:
I. The villagers should be provided with an alternate source of income in their villages which will make them stay put.
II. The migrated villagers should be provided with jobs in the urban areas to help them survive.

KPK Mock 3
Logical Reasoning
Course of Action
A) Both of the courses of action follow
Show Explanation
B) None of the courses of action follow
Show Explanation
C) Only course of action I follows
Show Explanation
D) Only course of action II follows
Show Explanation

Which of the following animal is included in deuterostome?

KPK Mock 3
Biology
A) Mytilus
Show Explanation
B) Chaetopterus
Show Explanation
C) Penguin
Show Explanation
D) Jelly fish
Show Explanation

The organs of excretion in crustacean are :

KPK Mock 3
Biology
A) Coxal glands
Show Explanation
B) Flame cells
Show Explanation
C) Malpighian tubules
Show Explanation
D) Nephridia
Show Explanation

The valve between left ventricle is called:

KPK Mock 3
Biology
Transport
A) Semi lunar valve
Show Explanation
B) Blcuspid valve
Show Explanation
C) Tricuspid valve
Show Explanation
D) Pulmonary valve
Show Explanation

Saponification of a fat:

KPK Mock 3
Biology
A) Always results in the formation of soaps.
Show Explanation
B) Results in the formation of esters.
Show Explanation
C) Results in the formation of waxes.
Show Explanation
D) Results in the formation glycerol and soap.
Show Explanation

Light absorbing pigments in photosystem I is:

KPK Mock 3
Biology
Bioenergetics
A) P 600
Show Explanation
B) P 680
Show Explanation
C) P 700
Show Explanation
D) P 760
Show Explanation

Bone is surrounded by a membrane called:

KPK Mock 3
Biology
A) Perichondrium
Show Explanation
B) Prostomium
Show Explanation
C) Perimycium
Show Explanation
D) Periosteum
Show Explanation

Changes in gene frequencies in small population by chance is called:

KPK Mock 3
Biology
A) Gene pool
Show Explanation
B) Genetic dolt
Show Explanation
C) Gene mutation
Show Explanation
D) Gene flow
Show Explanation

The person is over weight of the body mass index is between:

KPK Mock 3
Biology
A) 15 to 24.9
Show Explanation
B) 17.5 to 24.9
Show Explanation
C) 18.5 to 24.9
Show Explanation
D) 25 to 29.9
Show Explanation

Basidiomycota is also called as:

KPK Mock 3
Biology
A) Club-mosses
Show Explanation
B) Club-fungi
Show Explanation
C) Sac-fungi
Show Explanation
D) Bread mold
Show Explanation

Incubation period of ―”HCV” is:

KPK Mock 3
Biology
A) 2-6 weeks
Show Explanation
B) 4-10 weeks
Show Explanation
C) 4-20 weeks
Show Explanation
D) 4-26 weeks
Show Explanation

A condition of excessive thirst due to diabetes is called:

KPK Mock 3
Biology
A) Polyuria
Show Explanation
B) Glycusuria
Show Explanation
C) Polyphagia
Show Explanation
D) Polydipsia
Show Explanation

“Foraminifers” helps to determine the,

KPK Mock 3
Biology
A) Generation time
Show Explanation
B) Geological age
Show Explanation
C) Ecological time
Show Explanation
D) Physiological age
Show Explanation

A specific nudeotide sequence on DNA molecule to which RNA polymerase attaches to initiate transcription of mRNA from a gene is called:

KPK Mock 3
Biology
Chromosomes and DNA
A) Poly genes
Show Explanation
B) Genome
Show Explanation
C) Promoter
Show Explanation
D) Pletoropy
Show Explanation

Best known “Apicomplex” is the:

KPK Mock 3
Biology
A) Obligate parasites
Show Explanation
B) Facultative parasite
Show Explanation
C) Malarial parasites
Show Explanation
D) Pathogenic parasites
Show Explanation

A hormone that prevents senescence In leaves is:

KPK Mock 3
Biology
A) Abscisic acid
Show Explanation
B) Cytokinin
Show Explanation
C) Seisomonasty
Show Explanation
D) Demonasty
Show Explanation

Microvilli are also called:

KPK Mock 3
Biology
A) Leaf veins
Show Explanation
B) Cristae
Show Explanation
C) Capillaries
Show Explanation
D) Leaf midribs
Show Explanation

Human arm is homologous with:

KPK Mock 3
Biology
Variation and Genetics
A) Sea flipper
Show Explanation
B) Octopus Tntade
Show Explanation
C) Bird wing
Show Explanation
D) Both A and C
Show Explanation

Stroma of chloroplasts carries the fixation of

KPK Mock 3
Biology
Bioenergetics
A) N2
Show Explanation
B) O 2
Show Explanation
C) CO2
Show Explanation
D) NH3
Show Explanation

Endotoxins are released only when bacteria

KPK Mock 3
Biology
A) Excrete
Show Explanation
B) Reproduce
Show Explanation
C) Decline phase
Show Explanation
D) Stop phase
Show Explanation

Heterospory occur in:

KPK Mock 3
Biology
A) Selaginella
Show Explanation
B) Equisetum
Show Explanation
C) Lycopodium
Show Explanation
D) Lepidodendron
Show Explanation

The enlarged lining epithelium cells connected with groups of developing spermatozoa in testes is:

KPK Mock 3
Biology
A) Somatic cells
Show Explanation
B) Sertoli cells
Show Explanation
C) Stem cells
Show Explanation
D) Totipotent cells
Show Explanation

Urea formation occurs in:

KPK Mock 3
Biology
A) Kidney
Show Explanation
B) Liver
Show Explanation
C) Spleen
Show Explanation
D) Lungs
Show Explanation

CSF Is found in between:

KPK Mock 3
Biology
A) Pia mater and dura mater
Show Explanation
B) Pia mater and arachnoid mater
Show Explanation
C) Grey matter and pia mater
Show Explanation
D) Dura mater and grey mater
Show Explanation

Bacteria living in the gut, forms the associationof:

KPK Mock 3
Biology
Kingdom Prokaryote
A) Mutualism
Show Explanation
B) Predation
Show Explanation
C) Parasitism
Show Explanation
D) Commensalism
Show Explanation

“Photo-phosph-rylation” is:

KPK Mock 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
A) ATP synthesis by food energy
Show Explanation
B) ATP synthesis by solar energy
Show Explanation
C) ATP synthesis by source of water
Show Explanation
D) ATP synthesis by source of NADH2
Show Explanation

Spiders belong to class:

KPK Mock 3
Biology
A) Crustacean
Show Explanation
B) Myriapoda
Show Explanation
C) Arachnida
Show Explanation
D) Hexapoda
Show Explanation

Appendix is vestigial in man but may play role in:

KPK Mock 3
Biology
Support and Movement
A) Digestion
Show Explanation
B) Excretion
Show Explanation
C) Immunity
Show Explanation
D) Movement
Show Explanation

Coelentrates have hydrostatic skeletion except:

KPK Mock 3
Biology
A) Coral
Show Explanation
B) Sea anemone
Show Explanation
C) Hydra
Show Explanation
D) Jelly fish
Show Explanation

A protist that forms sea-weeds is:

KPK Mock 3
Biology
A) Red algae
Show Explanation
B) Brown algae
Show Explanation
C) Green algae
Show Explanation
D) Diatoms
Show Explanation

Basidiocarp is formed in the:

KPK Mock 3
Biology
A) Secondary mycelium
Show Explanation
B) Primary mycellum
Show Explanation
C) Tertiary mycelium
Show Explanation
D) Pathogenic parasites
Show Explanation

Hypothalamus is a part of:

KPK Mock 3
Biology
A) Diencephalon
Show Explanation
B) Myelencephalon
Show Explanation
C) Telencephalon
Show Explanation
D) Metencephalon
Show Explanation

Fatty acids are:

KPK Mock 3
Biology
Carboxylic Acids and its Derivatives
A) Linsaturated dicorboxylic acid
Show Explanation
B) Long chain alkanoic acid
Show Explanation
C) Aromatic carboxylic acid
Show Explanation
D) Aromatic dicarboxylic acid
Show Explanation

The particular array of chromosomes that an individual possessed is called its:

KPK Mock 3
Biology
A) Genotype
Show Explanation
B) Phenotype
Show Explanation
C) Karyotype
Show Explanation
D) Genome
Show Explanation

The birds excrete:

KPK Mock 3
Biology
A) Ammonia
Show Explanation
B) Urea
Show Explanation
C) Uric acid
Show Explanation
D) Acetic acid
Show Explanation

The larva of balanoglossus (Hemichordate) is called:

KPK Mock 3
Biology
A) Bipinnaria
Show Explanation
B) Radiolaria
Show Explanation
C) Tornaria
Show Explanation
D) Trochophore
Show Explanation

Embryonic mass can generate all of the following except:

KPK Mock 3
Biology
A) Amnion
Show Explanation
B) Chorion
Show Explanation
C) Yolk sac
Show Explanation
D) Allantois
Show Explanation

Chlorophyll is protected from intense light by:

KPK Mock 3
Biology
Bioenergetics
A) Phytochrome
Show Explanation
B) Phytokinin
Show Explanation
C) Phytocyanin
Show Explanation
D) Carotenoids
Show Explanation

The product of light dependent reactions are:

KPK Mock 3
Biology
Bioenergetics
A) RUBP + ATP
Show Explanation
B) RUBP + PGAL
Show Explanation
C) NADPH + ATP
Show Explanation
D) PGAL + ATP
Show Explanation

The only human disease caused by VIROID is

KPK Mock 3
Biology
A) Hepatitis A
Show Explanation
B) Hepatitis B
Show Explanation
C) Hepatitis C
Show Explanation
D) Hepatitis D
Show Explanation

Which of the following is an enzyme lacking disease?

Enzymes
KPK Mock 3
Biology
A) PKU
Show Explanation
B) Alkaptunuria
Show Explanation
C) Anuria
Show Explanation
D) Dluria
Show Explanation

Misuse of cannabis results in:

KPK Mock 3
Biology
A) Psychosis
Show Explanation
B) Euphoria
Show Explanation
C) Paranoia
Show Explanation
D) Photophobia
Show Explanation

Phagocytosis, pinocytosis and autophagy are the functions of:

KPK Mock 3
Biology
A) Golgi-Apparatus
Show Explanation
B) Lysosomes
Show Explanation
C) Peroxisomes
Show Explanation
D) Glyoxisomes
Show Explanation

The blood flow in milliliters/ minute during exercise to the skin is:

KPK Mock 3
Biology
A) 1500 ml
Show Explanation
B) 1600 ml
Show Explanation
C) 1800 ml
Show Explanation
D) 1900 ml
Show Explanation

In Eukaryotes, DNA replication proceeds at the rate of:

KPK Mock 3
Biology
A) 50 base pairs per seconds
Show Explanation
B) 40 base pairs per seconds
Show Explanation
C) 20 base pairs per seconds
Show Explanation
D) 30 base pairs per seconds
Show Explanation

The osmotic pressure of dilute solution is given by the formula:

KPK Mock 3
Biology
A) Optton A
Show Explanation
B) Option B
Show Explanation
C) Option C
Show Explanation
D) Option D
Show Explanation

Most disease symptoms appear during.

KPK Mock 3
Biology
A) Lag phase
Show Explanation
B) Log phase
Show Explanation
C) Die
Show Explanation
D) Generation time
Show Explanation

The gills are covered by operculum in

KPK Mock 3
Biology
A) Bony fishes
Show Explanation
B) Cartllaginous fishes
Show Explanation
C) Lung fishes
Show Explanation
D) Jawless fishes
Show Explanation

Which of the following play role in Biorhythm?

KPK Mock 3
Biology
A) MSH
Show Explanation
B) LH
Show Explanation
C) ADH
Show Explanation
D) Melatonin
Show Explanation

Select the test used for the estimation of glucose in blood and urine?

KPK Mock 3
Biology
A) Tollen’s reagent test
Show Explanation
B) Fehling’s solution test
Show Explanation
C) Benedict solution test
Show Explanation
D) All of the above
Show Explanation

Any DNA molecule having foreign DNA is called:

KPK Mock 3
Biology
Chromosomes and DNA
Mutations
A) Mutant
Show Explanation
B) Recombinant
Show Explanation
C) Crossing over
Show Explanation
D) All of the above
Show Explanation

Which of the following animals is not ectothermic?

KPK Mock 3
Biology
Homeostasis
A) Salamander
Show Explanation
B) Great white shark
Show Explanation
C) Polar bear
Show Explanation
D) Butterfly
Show Explanation

Implantation of zygote takes place in the:

KPK Mock 3
Biology
A) 2nd week
Show Explanation
B) 3rd week
Show Explanation
C) 7th week
Show Explanation
D) 5th week
Show Explanation

Number of chromosomes in Tobacco is:

KPK Mock 3
Biology
A) 45
Show Explanation
B) 48
Show Explanation
C) 46
Show Explanation
D) 47
Show Explanation

The interval between two successive division of bacteria is called:

KPK Mock 3
Biology
A) Ecological time
Show Explanation
B) Population time
Show Explanation
C) Growth time
Show Explanation
D) Generation time
Show Explanation

Sunken-stomata are found in the leaves of:

KPK Mock 3
Biology
A) Hydrophytes
Show Explanation
B) Xerophytes
Show Explanation
C) Mesophytes
Show Explanation
D) Glbberellins
Show Explanation

Accessory pigments are:

KPK Mock 3
Biology
A) Red-Yellow-Green
Show Explanation
B) Red-Orange-Blue
Show Explanation
C) Orange-Blue-Green
Show Explanation
D) Red-Orange-Yellow
Show Explanation

Osteopenia starts at the age of:

KPK Mock 3
Biology
A) 30-40
Show Explanation
B) 30-35
Show Explanation
C) 40-45
Show Explanation
D) 50-60
Show Explanation

Outer wall of guard cells is:

KPK Mock 3
Biology
A) Thin & elastic
Show Explanation
B) Thick & elastic
Show Explanation
C) Thin & non elastic
Show Explanation
D) Thick & non elastic
Show Explanation

A special protein carrier in plasma membrane is:

KPK Mock 3
Biology
A) Catalase
Show Explanation
B) Lipase
Show Explanation
C) Permease
Show Explanation
D) Arginase
Show Explanation

Lungs are ______ in srcin.

KPK Mock 3
Biology
A) Ectodermal
Show Explanation
B) Endodermal
Show Explanation
C) Mesodermal
Show Explanation
D) Preformed
Show Explanation

The bone dissolving cells are called:

KPK Mock 3
Biology
Support and Movement
A) Osteoclast
Show Explanation
B) Osteoblasts
Show Explanation
C) Osteocytes
Show Explanation
D) Fibroblast
Show Explanation

Which one of the following is a sex-linked inheritance?

KPK Mock 3
Biology
A) Baldness
Show Explanation
B) Albinism
Show Explanation
C) Eye colour
Show Explanation
D) Myopia
Show Explanation

Thalassaemia major is also known as:

KPK Mock 3
Biology
Transport
A) Sickle cell anemia
Show Explanation
B) Cooley‘s anemia
Show Explanation
C) Mycocystic anemia
Show Explanation
D) Nutritional anemia
Show Explanation

Vernalization is the conversion of:

KPK Mock 3
Biology
A) Spring variety to the winter variety
Show Explanation
B) Winter variety to the spring variety
Show Explanation
C) Winter variety to the summer variety
Show Explanation
D) Summer variety to the winter variety
Show Explanation

Which is not correct about polyvinyl chloride?

KPK Mock 3
Biology
A) It is used in large scale production of cable insulator
Show Explanation
B) It is a copolymer
Show Explanation
C) It is a homopolymer
Show Explanation
D) It is used in the manufacturing of pipes
Show Explanation

Termites cut wood with the help of enzyme produced by

KPK Mock 3
Biology
A) Trichonella
Show Explanation
B) Tripanosoma
Show Explanation
C) Trichonympha
Show Explanation
D) Trichina
Show Explanation

The smallest gametophyte is present in:

KPK Mock 3
Biology
A) Adiantum
Show Explanation
B) Funaria
Show Explanation
C) Marchantia
Show Explanation
D) Angiosperms
Show Explanation

The chloroplast size is about.

KPK Mock 3
Biology
A) 1-2 µm
Show Explanation
B) 2-4 µm
Show Explanation
C) 4-6 µm
Show Explanation
D) 6-8 µm
Show Explanation

Select the correct sentence:

KPK Mock 3
English
A) Farid and javed both are good swimmers.
Show Explanation
B) Both Farid and Javed are good swimmers.
Show Explanation
C) Good swimmers are Farid and Javed both.
Show Explanation
D) Swimmers are good both Farid and Javed
Show Explanation

The headmaster ____ to speak to you.

KPK Mock 3
English
Fill in the blank
A) Wants
Show Explanation
B) Is wanting
Show Explanation
C) Was wanting
Show Explanation
D) Want
Show Explanation

He was ________ in bed all day yesterday.

KPK Mock 3
English
A) Laying
Show Explanation
B) Lying
Show Explanation
C) Lieing
Show Explanation
D) Lied
Show Explanation

Choose the correct spelling:

KPK Mock 3
English
Key Vocabulary
A) Eccentric
Show Explanation
B) Eckentric
Show Explanation
C) Akcantric
Show Explanation
D) Accentric
Hide Explanation

Choose the correct sentence.

KPK Mock 3
English
A) We bought some new clothing.
Show Explanation
B) We bought some new clothings.
Show Explanation
C) We bought some new piece of clothings
Show Explanation
D) We bought some new pieces of clothings.
Show Explanation

Fire destroyed the top floor of the building:

KPK Mock 3
English
A) The top floor of the building got destroyed by fire
Show Explanation
B) By fire was destroyed the top floor of the building.
Show Explanation
C) Destroyed by fire was the top floor of the building.
Show Explanation
D) The top floor of the building was destroyed by fire
Show Explanation

SPOT THE ERROR: In the following sentences, some segments of each sentence are underlined. Your task is to identify that underlined segment of the sentence, which contains the mistake that needs to be corrected.

Thrifty housewives preserved their homegrown vegetables and fruits in canning, pickling or drying them for use during the cold weather.

KPK Mock 3
English
A) In
Show Explanation
B) Or
Show Explanation
C) For
Show Explanation
D) The
Show Explanation

He said to me, “Why have you come late?”[Indirect form of the sentence is:]

KPK Mock 3
English
A) He asked me why I had come late
Show Explanation
B) He asked me why I came late.
Show Explanation
C) He asked me why I have come late
Show Explanation
D) He told me as to why I had come late
Show Explanation

‘ARABLE‘ means:

KPK Mock 3
English
A) Not grown since long
Show Explanation
B) Recently ploughed field
Show Explanation
C) Watered the night before
Show Explanation
D) Fit for cultivation
Show Explanation

The culpable child _____ some words to her mother for pardoning his delinquency.

KPK Mock 3
English
Fill in the blank
A) Mumbled
Show Explanation
B) Showy
Show Explanation
C) Rude
Show Explanation
D) Crazy
Show Explanation

It has been raining continuously _______ last night.

KPK Mock 3
English
A) Since
Show Explanation
B) For
Show Explanation
C) From
Show Explanation
D) With
Show Explanation

(Fix this) Select the correct sentence:

KPK Mock 3
English
A) Certainly she is the best person for the job.
Show Explanation
B) She is the best person for the job certainly.
Show Explanation
C) She is certainly the best person for the job.
Show Explanation
D) The best person certainly she is for the job.
Show Explanation

‘CHUCKLE‘ mean:

KPK Mock 3
English
A) Bouquet of flowers
Show Explanation
B) Displeasing manner
Show Explanation
C) Suppressed laughter
Show Explanation
D) Religious movement
Show Explanation

I keep the butter in the fridge. Select the correct passive voice:

KPK Mock 3
English
A) In the fridge the butter is kept by me.
Show Explanation
B) By me is the butter dept in the fridge.
Show Explanation
C) The butter is kept by me in the fridge.
Show Explanation
D) Dept in the fridge by me is the butter.
Show Explanation

An ‘ELEGY‘ is a poem written:

KPK Mock 3
English
A) In the memory of a little child
Show Explanation
B) On the sighting of an old tutor
Show Explanation
C) In the love of dear sweetheart
Show Explanation
D) On the death of someone dear
Show Explanation

Choose the correct spelling:

KPK Mock 3
English
Key Vocabulary
A) Exantuated
Show Explanation
B) Axantuated
Show Explanation
C) Accenchuated
Show Explanation
D) Accentuated
Hide Explanation

Indolence gives vent to ____ disposition in human life.

KPK Mock 3
English
A) Static
Show Explanation
B) Enthusiastic
Show Explanation
C) Energetic
Show Explanation
D) Filthy
Show Explanation

Identify the errors and choose the correct option:

I hope this letters finds in the best of your spirits.

KPK Mock 3
English
Identify errors in sentence
A) I hope this letter will find you in good of high spirits.
Show Explanation
B) I hope this letter finds you in the best of your spirit.
Show Explanation
C) I hope letter finds you in the best of spirits.
Show Explanation
D) I hope the letter found in greatest of sprite.
Show Explanation

What are the units of the ratio: specific latent heat of vaporization of water/ specific heat capacity of water

KPK Mock 3
Physics
Heat and Thermodynamics
First Law of Thermodynamics
A) K
Show Explanation
B) 1/K
Show Explanation
C) K^2
Show Explanation
D) no unit
Show Explanation

In a purely resistive circuit the current:

KPK Mock 3
Physics
A) Leads the voltage by one-half of a cycle
Show Explanation
B) Leads the voltage by one-fourth of a cycle
Show Explanation
C) Leads the voltage by one-half of a cycle
Show Explanation
D) Is in phase with the voltage
Show Explanation

Read the statement and choose the correct option:

KPK Mock 3
Physics
A) A
Show Explanation
B) B
Show Explanation
C) C
Show Explanation
D) D
Show Explanation

If two cars are moving with velocity 10 m/s and 5m/s in opposite direction to each other, then their relative velocity with respect to one another will be:

KPK Mock 3
Physics
A) 5m/s
Show Explanation
B) 10m/s
Show Explanation
C) -5m/s
Show Explanation
D) 15m/s
Show Explanation

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes:

KPK Mock 3
Physics
Circular Motion & Momentum
A) 16 s
Show Explanation
B) 12 s
Show Explanation
C) 8 s
Show Explanation
D) 4 s

Show Explanation

If a hole is bored through the center of the earth and a pebble is dropped in it, then it will:

KPK Mock 3
Physics
Forces and Motion
A) Stop at the center of the earth
Show Explanation
B) Drop to the other side
Show Explanation
C) Execute SHM
Show Explanation
D) None of the above.
Show Explanation

The colour of thin films is a result of:

KPK Mock 3
Physics
A) Dispersion
Show Explanation
B) Absorption of light
Show Explanation
C) Scattering of light
Show Explanation
D) None of the above
Show Explanation

Which is strong electrolyte?

KPK Mock 3
Physics
A) Ca(OH)2
Show Explanation
B) SiCI4
Show Explanation
C) KCl
Show Explanation
D) SrCl2
Show Explanation

A moving charged particle is surroundes ??

KPK Mock 3
Physics
Current Electricity
A) 1 fields
Show Explanation
B) 3 fields
Show Explanation
C) 2 fields
Show Explanation
D) 4 fields
Show Explanation

Water flows from a 6.0cm diameter pipe into 8.0cm diameter pipe. The speed in the 6.0cm pipe is 5.0m/s. the speed in the 8cm pipe is:

KPK Mock 3
Physics
A) 2.8m/s
Show Explanation
B) 3.7m/s
Show Explanation
C) 6.6m/s
Show Explanation
D) 8.8m/s
Show Explanation

The function of a main transformer is to convert:

KPK Mock 3
Physics
Current Electricity
A) one direct voltage to another direct voltage of different magnitude.
Show Explanation
B) one alternating voltage to another alternating voltage of different magnitude.
Show Explanation
C) a high value alternating voltage to low value direct voltage.
Show Explanation
D) A high value alternating current to low value direct voltage
Show Explanation

The infrared spectra commonly referred to as IR spectra is usually expressed as:

KPK Mock 3
Physics
Dawn of Modern Physics
A) Wave length
Show Explanation
B) Wave number
Show Explanation
C) Frequency
Show Explanation
D) All of the above
Show Explanation

The minimum frequency of incident light required to emit photoelectrons from the metal surface is called:

KPK Mock 3
Physics
Optics, Nature of Light and Optical Instruments
A) Critical frequency
Show Explanation
B) Threshold frequency
Show Explanation
C) Work function
Show Explanation
D) None of the above
Show Explanation

The changing electric flux in a certain region of space produces:

KPK Mock 3
Physics
A) An electric field
Show Explanation
B) Magnetic field
Show Explanation
C) both S// and A//
Show Explanation
D) None of the above
Show Explanation

A vector of magnitude 20 is added to a vector of magnitude 25. The magnitude of this sum might be:

KPK Mock 3
Physics
Scalars and Vectors
A) Zero
Show Explanation
B) 3
Show Explanation
C) 12
Show Explanation
D) 47
Show Explanation

An organ pipe is open at both ends at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration, if the pipe is two meter long?

KPK Mock 3
Physics
Wave Motion and Sound
A) 2m
Show Explanation
B) 4m
Show Explanation
C) 6m
Show Explanation
D) 8m
Show Explanation

Which one of the following pair is of isobars?

KPK Mock 3
Physics
Dawn of Modern Physics
A) 126 C and 146 C
Show Explanation
B) 614 C and 714N
Show Explanation
C) 42 He and 31H
Show Explanation
D) Both A and C
Show Explanation

A racing car accelerates uniformly through three gear changes with the following average speeds:

20 ms-1 for 2.0s ;40ms-1 for 2.0 s and 60 ms-1 for 6.0s. What is the overall average speed of the car?

KPK Mock 3
Physics
A) 12 ms1
Show Explanation
B) 13.3 ms-1
Show Explanation
C) 40 ms-1
Show Explanation
D) 48 ms1
Show Explanation

A total charge of 100C flows through a 12W bulb in a time of 50 second. What is the potential difference across the bulb during this time?

KPK Mock 3
Physics
A) 0.12V
Show Explanation
B) 2.0V
Show Explanation
C) 6.0V
Show Explanation
D) 24V
Show Explanation

Can we see magnetic flux lines?

KPK Mock 3
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
A) Yes
Show Explanation
B) No
Show Explanation
C) Depends on strength of field
Show Explanation
D) Only when the field is large
Show Explanation

The number of ejected photoelectrons increases with increase.

KPK Mock 3
Physics
A) In intensity of flight
Show Explanation
B) In wavelength of light
Show Explanation
C) In frequency of light
Show Explanation
D) Never
Show Explanation

A zirconium nucleus,is a ß-emitter. The product nucleus is also a ß-emitter. What is the final resulting nucleus of these two decays?

KPK Mock 3
Physics
Nuclear Physics
Radioactivity
A) 100Sr38
Show Explanation
B) 100Mo42
Show Explanation
C) 98Zr40
Show Explanation
D) 100Zr40
Show Explanation

If system changes from a state Pl Vl to P2V2 by two paths then quantity which remains unchanged is

KPK Mock 3
Physics
Heat and Thermodynamics
Internal Energy
A) dQ
Show Explanation
B) dW
Show Explanation
C) dQ-dW
Show Explanation
D) dQ+dW
Show Explanation

A hydrogen atom that has lost its electron is moving east in a region where the magnetic moving east in a region where the magnetic fields directed from south to north. It will be deflected:

KPK Mock 3
Physics
A) Up
Show Explanation
B) Down
Show Explanation
C) North
Show Explanation
D) South
Show Explanation

If a wave can be polarized, it must be:

KPK Mock 3
Physics
Wave Motion and Sound
A) An electromagnetic wave
Show Explanation
B) A stationary wave
Show Explanation
C) Transverse wave
Show Explanation
D) A longitudinal wave
Show Explanation

A radioactive isotope ‘W’ decays to ‘X’ which decays to ‘Y’ and ‘Y’ decays to ‘Z’ as represented by the figure below

What is the change in the atomic number from ‘W’ to ‘Z’?

KPK Mock 3
Physics
Nuclear Physics
A) Increase by 3
Show Explanation
B) Increase by 5
Show Explanation
C) Decrease by 3
Show Explanation
D) Decrease by 5
Show Explanation

In the nuclear reaction shown below what is the value of coefficient?
92U235+0n1…. 56Kr89+γon1 + 200MeV

KPK Mock 3
Physics
Nuclear Physics
Radioactivity
A) 0
Show Explanation
B) 1
Show Explanation
C) 2
Show Explanation
D) 3
Show Explanation

The first law of thermodynamics is a statement which implies that:

KPK Mock 3
Physics
A) No heat enters or leaves the system
Show Explanation
B) The temperature remains constant
Show Explanation
C) All work is mechanical
Show Explanation
D) Energy is conserved
Show Explanation

The resistance of a conductor at absolute zero ( 0 K) is

KPK Mock 3
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
A) Almost zero
Show Explanation
B) Almost infinite
Show Explanation
C) No prediction at all
Show Explanation
D) May increase or decrease
Show Explanation

If the momentum of a body decreases by 20% the percentage decrease in K.E will be:

KPK Mock 3
Physics
Motion in Two Dimensions
A) 44%
Show Explanation
B) 36%
Show Explanation
C) 28%
Show Explanation
D) 20%
Show Explanation

A.C and D.C have the same:

KPK Mock 3
Physics
Current Electricity
A) Affect in charging battery
Show Explanation
B) Affect in charging capacitor
Show Explanation
C) Heating effect through a resistance
Show Explanation
D) Affect passing through an inductance
Show Explanation

A student measures a current as 0.05 A. Which of the following correctly expresses this result?

KPK Mock 3
Physics
A) 50 mA
Show Explanation
B) 50 MA
Show Explanation
C) 500 mA
Show Explanation
D) 500 MA
Show Explanation

For ideal step up transformer Ps_Pp.

KPK Mock 3
Physics
Magnetism and Electromagnetic Induction
Transformers
A) equal to
Show Explanation
B) greater than
Show Explanation
C) less than
Show Explanation
D) none of these
Show Explanation