MDCAT 2022 Past Papers 3

Created by Ali Durrani

MDCAT 2022 Past Paper 3

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1 / 191

The array of points which shows the atoms ions or molecule arrangements in a crystal is called.

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Crystal system

B) Crystal lattice

C) Crystal array

D) Crystallography

2 / 191

The amount of reactant according to the balanced chemical equation is called as?

2022 PMC Test 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
Elimination Tool:

A) Excess amount

B) Actual amount

C) Limiting amount

D) Stoichiometric amount

3 / 191

Which of the following has highest atomic size?

2022 PMC Test 3
Chemistry
s and p Block Elements
Elimination Tool:

A) Be

B) Mg

C) Ca

D) Ba

4 / 191

Which one of the following is a strong nucleophile?

2022 PMC Test 3
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Cl-

B) Br-

C) OH-

D) HSO4-

5 / 191

The pH of an acidic buffer depends upon the concentration of acid, concentration of salt and:

2022 PMC Test 3
Chemistry
Chemical Equilibrium
Elimination Tool:

A) pKa of acid used in it

B) pH of acid used in it.

C) pKb of base used in it

D) pOH of base used in it.

6 / 191

What will happen to the KClO3 when KCl is added to its solution in water?

2022 PMC Test 3
Chemistry
Chemical Equilibrium
Elimination Tool:

A) Its solubility increases

B) Its solubility decreases

C) Concentration of Cl- ion decreases

D) Concentration of ClO3- ion increases

7 / 191

What is the mass of 2 dm3 of oxygen at S.T.P?

2022 PMC Test 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Important Assumptions of Stoichiometric Calculations
Elimination Tool:

A) 1.42g

B) 2.22g

C) 3.2g

D) 2.85g

8 / 191

Which one of the following is the correct demonstration of first law of thermodynamics?

2022 PMC Test 3
Chemistry
Thermochemistry
Elimination Tool:

A) △H= qw

B) △E=q – P△V

C) △H=q+w

D) △E = q+w

9 / 191

Which one of the following is more soluble in water?

2022 PMC Test 3
Chemistry
s and p Block Elements
Elimination Tool:

A) Be{OH)2

B) Ca(OH)2

C) Mg(OH)2

D) Ba(OH)2

10 / 191

Which of the following solid has indefinite heat of fusion?

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Crystalline solids

B) Pure solids

C) True solids

D) Amorphous solids

11 / 191

The value of general gas constant ‘R’ for a particular gas is independant of:

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Pressure

B) Volume

C) Absolute temperature

D) Molar mass of the gas.

12 / 191

Acetone is less reactive than acetaldehyde due to:

2022 PMC Test 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) More Stearic hindrance offered by its methyl groups.

B) Electron withdrawing nature of its methyl groups.

C) Its Carbonyl carbon is sp2 hybridized.

D) Oxygen of carbonyl group is more electronegative than carbon atom.

13 / 191

Halogenation of alkane in sunlight is the example of:

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Addition reaction

B) Elimination reaction

C) Substitution reaction

D) Rearrangment reaction

14 / 191

Mass of electron is _____ times smaller than that of proton.

2022 PMC Test 3
Chemistry
Atomic Structure
Elimination Tool:

A) 1837

B) 1839

C) 1836

D) 1834

15 / 191

The covalent compounds exhibit:

2022 PMC Test 3
Chemistry
Chemical Bonding
Elimination Tool:

A) Fast reactions

B) Non-directional nature

C) Non-rigid structures

D) lsomerism

16 / 191

Salts of carboxylic acids can be converted into corresponding carboxylic acid by treating with:

2022 PMC Test 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Water

B) Base

C) Acid anhydrides

D) Acid

17 / 191

The properties which depends upon the direction are called:

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Isotropic properties

B) Anisotropic properties

C) Additive properties

D) Colligative properties

18 / 191

Conversion of straight chain hydrocarbons into branched chain is called as ______?

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Reforming

B) Cracking

C) lsomerization

D) Decomposition

19 / 191

The following are anisotropic properties except:

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Refractive Index

B) Thermal conductivtiy

C) Electrical conductivity

D) Melting points

20 / 191

The basic hydrolysis of ethyl acetate produces?

2022 PMC Test 3
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Ethanol and sodium acetate

B) Ethanol and acetic acid

C) Ethanol

D) Formic acid

21 / 191

Shielding effect in 3rd period of periodic table:

2022 PMC Test 3
Chemistry
s and p Block Elements
Elimination Tool:

A) Increases from left to right.

B) Decreases from left to right.

C) May increase or decrease

D) Remain unchanged

22 / 191

The C-C bond length in benzene is:

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) 1.39 Angstrom

B) 1.20 Angstrom

C) 1.34 Angstrom

D) 1.54 Angstrom

23 / 191

Which of the following has anti knocking properties?

2022 PMC Test 3
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) (CH3CH2)4Sn

B) (CH3CH2)4Pb

C) (CH3CH2)4Ge

D) (CH3CH2)4Si

24 / 191

The termination step of the Halogenation of alkanes in the presence of sunlight involves the formation of:

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) Free radicals

B) Cations

C) Anions

D) Molecules

25 / 191

The amount of energy required to beak one mole of a particular type of bond is equal to its:

2022 PMC Test 3
Chemistry
Thermochemistry
Elimination Tool:

A) Activation energy

B) Ionization energy

C) Bond Energy

D) Potential energy

26 / 191

In alkali metals the highest shielding effect is exhibited by:

2022 PMC Test 3
Chemistry
s and p Block Elements
Elimination Tool:

A) Li

B) Na

C) K

D) Rb

27 / 191

Fe is precipitated out when Mg strip is dipped in

2022 PMC Test 3
Chemistry
d and f Block Elements
Elimination Tool:

A) FeSO4 solution

B) CuSO4 Solution

C) MgSO4 Solution

D) H2SO4 solution

28 / 191

Pi (π) bond between two atoms is

2022 PMC Test 3
Chemistry
Chemical Bonding
Elimination Tool:

A) Formed by axial overlapping of atomic orbitals, and is stronger than sigma bond.

B) Formed by parallel overlapping of atomic orbitals, and is stronger than sigma bond.

C) Formed by axial overlapping of atomic orbitals, and is weaker than sigma bond.

D) Formed by parallel overlapping of atomic orbitals, and is weaker than sigma bond.

29 / 191

Major product of the following reaction is: CH2=CH-CH2-CH3 + HBr

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) CH2(Br)-CH2-CH2-CH3

B) CH3-CH(Br)-CH2-CH3

C) CH2=CH-CH(Br)-CH3

D) CH2=CH-CH2-CH2(Br)

30 / 191

2-Chlorobutane belongs to:

2022 PMC Test 3
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Primary Alkyl Halides

B) Secondary Alkyl Halides

C) Tertiary Alkyl Halides

D) Quarternary Alkyl Halides

31 / 191

Formaldehyde reacts with which one of the following to give primary alcohols

2022 PMC Test 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Fehling's reagant

B) Benedict's Reagant

C) Grignard's reagant

D) Millon's reagant

32 / 191

Which of the following fraction of petroleum has lowest boiling point at STP.

2022 PMC Test 3
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Kerosene oil

B) Lubricating oil

C) Gasoline

D) Diesel oil

33 / 191

The color of Zn2+ compounds is:

2022 PMC Test 3
Chemistry
d and f Block Elements
Elimination Tool:

A) Yellow

B) Black

C) Blue

D) Colorless

34 / 191

Which of the following substances has the largest intermolecular forces of attraction?

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) H2O

B) H2S

C) H2Se

D) H2Te

35 / 191

The ________ reagent is the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed.

2022 PMC Test 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) excess

B) limiting

C) extent

D) none of the above

36 / 191

The rate law of a particular reaction is Rate = k[NO][O3]. The order of this reaction with respect to ozone is:

2022 PMC Test 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) 1st

B) 2nd

C) 3rd

D) Zero

37 / 191

The transition element which shows fixed 2+ oxidation state in its compound is:

2022 PMC Test 3
Chemistry
d and f Block Elements
Elimination Tool:

A) Zn

B) Fe

C) Cu

D) Mn

38 / 191

Benzene is more stable than hypothetical 1,3,5-cyclohexatriene by:

2022 PMC Test 3
Chemistry
Hydrocarbons
Elimination Tool:

A) 150.5 kJ/mol

B) 150.5J/mol

C) 150.5 kJ/molecule

D) 150.5 J/molecule

39 / 191

For a particular reversible reaction If [Products]/[Reactants]>Kc It means that:

2022 PMC Test 3
Chemistry
Chemical Equilibrium
Elimination Tool:

A) More products are needed to attain equillbrium

B) There are more reactants in the system

C) More Reactants are needed to attain equillbrium

D) The reaction will move forward to attain equilibrium

40 / 191

Which of the following reactions are given by alcohol and phenol both?

2022 PMC Test 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Esterification

B) Nitrosation

C) Amide formation

D) Lucas Reaction

41 / 191

Spreading of scent in the air is due to:

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Diffusion of gas molecules

B) Effusion of gas molecules

C) Volume of gas

D) Temperatue of gas

42 / 191

Which of the following substances has the largest intermolecular forces of attraction?

2022 PMC Test 3
Chemistry
Chemical Bonding
Elimination Tool:

A) H2O

B) H2S

C) H2Se

D) H2Te

43 / 191

The correct name of CH2Cl2 is:

2022 PMC Test 3
Chemistry
Alkyl Halides and Amines
Elimination Tool:

A) Methyl chloride

B) Methylene chloride

C) Chloroform

D) Carbonyl chloride

44 / 191

How many electrons does calcium have in the 3p orbital?

2022 PMC Test 3
Chemistry
Atomic Structure
Elimination Tool:

A) 5

B) 6

C) 2

D) 3

45 / 191

The reaction in which rate depends only on one reactant concentrations, although more than one reactants are present in the reaction mixture is known as __________

2022 PMC Test 3
Chemistry
Reaction Kinetics
Elimination Tool:

A) 1st order reaction

B) 2nd order reaction

C) Pseudo first order reaction

D) Third order reaction

46 / 191

Which subshells are present In M shell?

2022 PMC Test 3
Chemistry
Atomic Structure
Elimination Tool:

A) s

B) s, p

C) s, p, d

D) s, p, d, f

47 / 191

lodoform test is used to check the presence of:

2022 PMC Test 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Amines

B) Carbonyl compounds

C) Carboxylic acid

D) Alkyl halides

48 / 191

The flavour of amyl butyrate is:

2022 PMC Test 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Mango

B) Raspberry

C) Apricot

D) Orange

49 / 191

In the air, N2 and O2 occur naturally but they do not react to form oxides of nitrogen because

2022 PMC Test 3
Chemistry
s and p Block Elements
Elimination Tool:

A) Oxides of nitrogen are unstable

B) Catalyst is required tor the reaction

C) The reaction is endothermic

D) N2 and O2 do not react with each other

50 / 191

What is the mass in grams of 1.69 moles of phosphoric acid?

2022 PMC Test 3
Chemistry
Introduction to Fundamental Concepts of Chemistry
Analysis of a Compound – Empirical And Molecular Formulas
Elimination Tool:

A) 148g

B) 138g

C) 157g

D) 166g

51 / 191

Which of the following postulate of kinetic molecular theory does NOT hold at high temperature and pressure?

2022 PMC Test 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Gases are considered to be composed of minute discrete particles called molecules.

B) The molecules move in straight line.

C) The pressure of gas is produced due to the collision of molecules with the wall of container.

D) The volume occupied by the gas molecules is negligible as compared to the the total volume of the gas.

52 / 191

Mass of electron _______ times smaller than that of proton.

2022 PMC Test 3
Chemistry
Atomic Structure
Elimination Tool:

A) 1837

B) 1839

C) 1836

D) 1834

53 / 191

How many electrons are present in the orbital having n=1, l=0, m=0?

2022 PMC Test 3
Chemistry
Atomic Structure
Elimination Tool:

A) 3

B) 2

C) 4

D) 5

54 / 191

Many sarcomere placed end to end and form a:

2022 PMC Test 3
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
Elimination Tool:

A) Muscle

B) Fiber

C) Myofibril

D) Muscle fiber

55 / 191

How many phosphate groups are present in nicotinamide adenine dinucleotide phosphate?

2022 PMC Test 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

56 / 191

According to Hardy-Weinberg theorem, the sum of recessive homozygotes, dominant homozygotes and heterozygotes is equal to 1, what is represented by 1?·

2022 PMC Test 3
Biology
Variation and Genetics
Evolution
Elimination Tool:

A) Gene pool of the trait in the population

B) Population density or total number of individuals in the population

C) Tolal number of heterozygotes

D) Total number of homozyotes

57 / 191

What does the active site of the enzyme do?

2022 PMC Test 3
Biology
Enzymes
Elimination Tool:

A) Looks like a lump projection from the surface of an enzyme

B) Forms no chemical bond with substrate

C) Never changes

D) The specificity of an enzyme is determined by its structure

58 / 191

Which one of the following occurs at puberty in boys?

2022 PMC Test 3
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) Ovulation

B) Pubic hair growth

C) Hips broaden

D) Menarche

59 / 191

Which of the following was the first virus to be isolated and studied under the electron microscope:

2022 PMC Test 3
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) HIV

B) Rabies Virus

C) Pox Viruses

D) TMV

60 / 191

Change in the frequency of alleles at a locus that occurs by chance is called:

2022 PMC Test 3
Biology
Variation and Genetics
Evolution
Elimination Tool:

A) Genetic drift

B) Mutation

C) Emmigration

D) Immigration

61 / 191

Which among the following lacks the nervous system?

2022 PMC Test 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Flat worms

B) Annelida

C) Cnideria

D) Sponge

62 / 191

The alternative form of a given gene is called:

2022 PMC Test 3
Biology
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) Trait

B) Phenotype

C) Allele

D) Genotype

63 / 191

Which one of the following is the character of Cardiac Muscles?

2022 PMC Test 3
Biology
Transport
Elimination Tool:

A) Made up of unstrained and branched cells

B) Voluntary in action

C) Self excitatory or myogenic

D) Striated and unbranched

64 / 191

In a eukaryotic cell, where are the proteins for electron transport chain located?

2022 PMC Test 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Smooth endoplasmic rellculum

B) Rough endoplasmic reticulum

C) Mitochondria

D) Cell membrane

65 / 191

Which of the following is responsible for giving finnesse and box-like shape to plant cells?

2022 PMC Test 3
Biology
Cell Structure and Function
Cell Wall
Elimination Tool:

A) Cell wall

B) Cell wall and vacuole

C) Nucleus and vacuole

D) Cell membrane

66 / 191

Small insects fall into pitcher plant cannot climb out due to presence of:

2022 PMC Test 3
Biology
Nutrition
Heterotrophic Nutrition
Elimination Tool:

A) Nutrients

B) Decomposers

C) Enzymes

D) Stiff hair

67 / 191

Cardiac muscles are the muscles of:

2022 PMC Test 3
Biology
Support and Movement
Types of Muscles
Elimination Tool:

A) Aorta

B) Comary vein

C) Heart

D) Liver

68 / 191

Which of the following is NOT true about viruses?

2022 PMC Test 3
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Obligate intracellular parasite

B) Self replicating

C) Acellular

D) Uses host machinery

69 / 191

For sterilization purpose, generally X-rays are used which cause:

2022 PMC Test 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
Elimination Tool:

A) Mutation in bacterial genome

B) Denaturation of bacterial proteins

C) Activation of bacteria

D) Bacteria to become pathogen

70 / 191

Which of the following nutrient is mainly provided by insects feeding to carnivorous plants?

2022 PMC Test 3
Biology
Nutrition
Heterotrophic Nutrition
Elimination Tool:

A) Magnesium

B) Nitrogen

C) Carbon

D) Oxygen

71 / 191

Glucose and Ribose form ring structures when:

2022 PMC Test 3
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) React with an appropriate enzyme

B) Dissolved in water

C) Immersed in oil

D) They are in crystalline state

72 / 191

Which of the following is the most suitable term for the genotype AaBb

2022 PMC Test 3
Biology
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) Homozygous recessive

B) Homozygous dominant

C) Heterozygous

D) Heterozygous dominant

73 / 191

What is correct about triploblastic animals?

2022 PMC Test 3
Biology
Kingdom Animalia
Classification according to Coelem
Elimination Tool:

A) They all show bilateral symmetry.

B) They show radial as well as bilateral symmetry.

C) They are all protostomes.

D) They are all deuterostomes.

74 / 191

The HIV genetic information flows from viral _______, and used to form viral _________.

2022 PMC Test 3
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) RNA to DNA: RNA and protein

B) DNA to RNA: DNA and protein

C) DNA to RNA : RNA and protein

D) RNA to protein : RNA and protein

75 / 191

The disorder which is caused when cones cannot distinguish between different colors is called?

2022 PMC Test 3
Biology
Coordination and Control
Disorders of the Nervous System
Elimination Tool:

A) Short sighted vision disorder

B) Night blindness

C) Long sighted vision disorder

D) Color blindness

76 / 191

If an mRNA consists of 150 nucleotides, how many amino acids would be present in the polypeptide which is encoded by this mRNA?

2022 PMC Test 3
Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) 50

B) 100

C) 150

D) 300

77 / 191

Which of the following provides resistance against high temperature?

2022 PMC Test 3
Biology
Kingdom Prokaryote
Size and Structure of Bacteria
Elimination Tool:

A) Cysts

B) Spores

C) Cell wall

D) Capsules

78 / 191

Which cell organelle is incorrectly matched with its function?

2022 PMC Test 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Chloroplast – carbon fixation

B) Mitochondria – ATP synthesis

C) Cell membrane – cell recognition

D) Golgi apparatus – intracellular digestion

79 / 191

Abnormal and excessive discharge of nerve impulses in the brain is called?

2022 PMC Test 3
Biology
Coordination and Control
Disorders of the Nervous System
Elimination Tool:

A) Cirrhosis

B) Angina

C) Stroke

D) Epilepsy

80 / 191

Most abundant organic compounds to be found in cells :

2022 PMC Test 3
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Proteins

B) Carbon

C) Nucleic acids

D) Lipids

81 / 191

The disorder of the nervous system which occurs because of the disturbance of the supply of blood to the nervous system is called?

2022 PMC Test 3
Biology
Coordination and Control
Disorders of the Nervous System
Elimination Tool:

A) Muscular disorders

B) Vascular disorders

C) Functional disorders

D) All of these

82 / 191

The medium through which exchange of material between blood and cells occurs is

2022 PMC Test 3
Biology
Transport
Elimination Tool:

A) Interstitial fluid

B) Cytoplasm

C) Water

D) Lymph

83 / 191

The protoplast of a plant cell does not include:

2022 PMC Test 3
Biology
Cell Structure and Function
Introduction to Cell and it’s theory
Elimination Tool:

A) Cell wall

B) Cell membrane

C) Vacuoles

D) Nucleus

84 / 191

Reverse transcription, carried out by retroviruses, is the process by which?

2022 PMC Test 3
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) RNA is duplicated

B) DNA is duplicated

C) RNA information is copied into DNA

D) DNA information is copied into RNA

85 / 191

The quantitative study of energy relationship in a biological system is called?

2022 PMC Test 3
Biology
Bioenergetics
Elimination Tool:

A) Bioenergetics

B) Biochemistry

C) Biotechnology

D) Biophysics

86 / 191

Golgi complex was discovered by which scientist?

2022 PMC Test 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Robert Brown

B) Camillo Golgi

C) De Duve

D) Robert Hooke

87 / 191

Nitrifying bacteria belong to following group :

2022 PMC Test 3
Biology
Kingdom Prokaryote
Motility and Nutrition in Bacteria
Elimination Tool:

A) Chemosynthetic

B) Photosynthetic

C) Parasitic

D) Pathogenic

88 / 191

Which of the following releases 7.3 kCal energy when terminal phosphate is lost?

2022 PMC Test 3
Biology
Bioenergetics
Introduction to Respiration
Elimination Tool:

A) NADP

B) ADP

C) ATP

D) FAD

89 / 191

A diseased man marries a normal woman.They have five daughters and three sons.All the daughters were diseased and sons were normal. The gene of this disease is:

2022 PMC Test 3
Biology
Variation and Genetics
Sex Linkage
Elimination Tool:

A) X linked dominant

B) X-linked recessive

C) Autosomal recessive

D) Autosomal dominant

90 / 191

The reflexes such as vomiting, coughing, and sneezing are controlled by which of the following

2022 PMC Test 3
Biology
Coordination and Control
Central Nervous System
Elimination Tool:

A) Pons

B) Cerebrum

C) Cerebellum

D) Medulla oblongata

91 / 191

According to Hardy-Weinberg theorem, the sum of recessive and dominant gene frequencies is equal to:

2022 PMC Test 3
Biology
Variation and Genetics
Evolution
Elimination Tool:

A) Gene pool of the the trait in the population

B) Population density

C) Total number of heterozygotes

D) Total number of homozygotes

92 / 191

Which is incorrect for cardiac muscles?

2022 PMC Test 3
Biology
Transport
Elimination Tool:

A) Show involuntary control

B) Branched cells

C) Have no striations

D) Have intercalated disc

93 / 191

Which of the following is the separation point between two sarcomere?

2022 PMC Test 3
Biology
Support and Movement
Ultrastructure & Mechanism of Skeletal Muscle Contraction
Elimination Tool:

A) H-zone

B) A-band

C) Z-line

D) M-line

94 / 191

When puberty is achieved in girls, which one of the following occurs in them but not in boys?

2022 PMC Test 3
Biology
Reproduction
Reproduction in Females
Elimination Tool:

A) Excessive growth of hairs on skin

B) Pubic hair growth

C) Menarche

D) Heaviness of voice

95 / 191

Which of the following react with enzyme at other than active site?

2022 PMC Test 3
Biology
Enzymes
Elimination Tool:

A) Activator

B) Coenzymes

C) Non-Competitive Inhibitor

D) End-Product Inhibitor

96 / 191

In sundew the leaves:

2022 PMC Test 3
Biology
Nutrition
Heterotrophic Nutrition
Elimination Tool:

A) Form flask shaped structure

B) Bllobed structure with midrib

C) Have hair like tentacles

D) Have nodes

97 / 191

Which of the following chemical activity is involved in the conversion of pyruvate into acetaldehyde during anaerobic respiration?

2022 PMC Test 3
Biology
Bioenergetics
Anaerobic Respiration
Elimination Tool:

A) Reduction

B) Decarboxylation

C) Oxidation

D) Phosphorylation

98 / 191

Physical appearance of a trait is called:

2022 PMC Test 3
Biology
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) Genotype

B) Alleles

C) Phenotype

D) Genome

99 / 191

The photosensitive cells present in the retina that are sensitive to dim light are called?

2022 PMC Test 3
Biology
Coordination and Control
Coordination in Animals
Elimination Tool:

A) Optical disc

B) Rods

C) Cones

D) Ligaments

100 / 191

Photosythetic bacteria have the ablilty to release:

2022 PMC Test 3
Biology
Kingdom Prokaryote
Motility and Nutrition in Bacteria
Elimination Tool:

A) Sulphur

B) Oxygen

C) Hydrogen

D) Carbon dioxide

101 / 191

Which of the following is the best alternative term for ATP?

2022 PMC Test 3
Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) Ribonucleotide triphosphate

B) Ribonucleotide

C) Nucleoside triphosphate

D) Nucleotide

102 / 191

Chlorosis in plants is basically due to lack of:

2022 PMC Test 3
Biology
Nutrition
Elimination Tool:

A) Magnesium or nitrogen

B) Carbon or Hydrogen

C) Magnesium or iron

D) Bright sunlight

103 / 191

Which of the following invertebrate phylum consists of the most abundant species on planet Earth:

2022 PMC Test 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Porifera

B) Cnidaria

C) Arthropoda

D) Mollusca

104 / 191

A man receives his X chromosome from:

2022 PMC Test 3
Biology
Variation and Genetics
Sex Determination
Elimination Tool:

A) His mother only

B) Part from his father and part from his mother

C) His father only

D) Either his mother or his father, It depends upon luck

105 / 191

Which of the following is the major souce of variation in the origin of new species?

2022 PMC Test 3
Biology
Variation and Genetics
Evolution
Elimination Tool:

A) Migration

B) Mutation

C) Selection

D) Genetic drift

106 / 191

Which of these cell organelles are involved in the synthesis of new plant cell walls?

2022 PMC Test 3
Biology
Cell Structure and Function
Cytoplasm and Organelles
Elimination Tool:

A) Rough endoplasmic reticulum

B) Smooth endoplasmic reticulum

C) Golgi complex

D) Cell membrane

107 / 191

The disorder in which the one or more muscle groups faces the full loss of function is called?

2022 PMC Test 3
Biology
Support and Movement
Disorders of Skeleton
Elimination Tool:

A) Cirrhosis

B) Angina

C) Epilepsy

D) Paralysis

108 / 191

If the sperms are too weak to fertilize the egg in oviduct, which of the following procedure can be used to overcome this problem of infertility?

2022 PMC Test 3
Biology
Reproduction
Reproduction in Males
Elimination Tool:

A) In vitro fertilization

B) Incubation

C) Hatching

D) Amniocentesis

109 / 191

The release of ovum from ovary is called:

2022 PMC Test 3
Biology
Reproduction
Reproduction in Females
Elimination Tool:

A) Lactation

B) Ovulation

C) Placentation

D) Menstruation

110 / 191

The chemical substances that are used to inhibit the growth of micro organism on living surfaces, are called:

2022 PMC Test 3
Biology
Kingdom Prokaryote
Importance and Control of bacteria
Elimination Tool:

A) Disinfectants

B) Chemotherapeutics

C) Vaccines

D) Antiseptics

111 / 191

Which statement correctly outlines the reason for divergent evolution hypothesis of echinoderms and hemichordates?

2022 PMC Test 3
Biology
Kingdom Animalia
Phylums – porifera to chordata
Elimination Tool:

A) Blastopore forms the anus

B) They are both aquatic

C) They have a well developed circulatory system

D) They have dorsal nerve cord

112 / 191

Which interactions are responsible for the formation of lipid bilayer In the watery environment of the body?

2022 PMC Test 3
Biology
Cell Structure and Function
Plasma Membrane
Elimination Tool:

A) Hydrophobic interactions between fatty acid tails

B) Hydrophobic Interactions between phosphate heads

C) Hydrophilic Interactions between fatty acid tails

D) Hydrogen bonding between fatty acid tails

113 / 191

Homozygous dominants are represented with a :

2022 PMC Test 3
Biology
Chromosomes and DNA
Types & Composition of Chromosomes
Variation and Genetics
Mendelian Inheritance
Elimination Tool:

A) Lower case letter

B) Roman numeral

C) Capital letter

D) Numerical value

114 / 191

At least, how many carbon atoms must be found in an amylose starch?

2022 PMC Test 3
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) 7

B) 66

C) 70

D) Many thousands

115 / 191

Which of the following is the optimum temperature for all enzymes to work in body?

2022 PMC Test 3
Biology
Enzymes
Elimination Tool:

A) 0oC

B) 15oC

C) 25°C

D) 370C

116 / 191

Gonadotropin-releasing hormone is secreted by:

2022 PMC Test 3
Biology
Coordination and Control
Endocrine System and its Hormones
Elimination Tool:

A) Hypothalamus

B) Pitutary gland

C) Thyroid

D) Parathyroid gland

117 / 191

An enzyme can:

2022 PMC Test 3
Biology
Enzymes
Elimination Tool:

A) Maintain the biochemical reaction

B) Decrease the biochemical reaction

C) Lower the need of activation energy

D) Be the substitute of activation energy

118 / 191

In glycolysis, the conversion of Glucose-6-phosphate to fructose-6-phosphate involves:

2022 PMC Test 3
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) Phosphorylation

B) Oxidation

C) Isomerization

D) Reduction

119 / 191

A non-protein chemical compound which is required for enzyme’s catalytic activity is?

2022 PMC Test 3
Biology
Enzymes
Elimination Tool:

A) Substrate

B) Co-factor

C) DNA

D) RNA

120 / 191

Vena-Cava receives deoxygenated blood of kidney through :

2022 PMC Test 3
Biology
Transport
Elimination Tool:

A) Hepatic vein

B) Renal vein

C) Subclavian vein

D) Renal artery

121 / 191

The engine of vehicle delivers constant power and moves up on the inclined plane, then its velocity:

2022 PMC Test 3
Physics
Work, Power & Energy
Elimination Tool:

A) Must remain constant

B) Must increase

C) Must decrease

D) Remains zero

122 / 191

One complete revolutlon of an object covers ________ angle in degree

2022 PMC Test 3
Physics
Circular Motion & Momentum
Elimination Tool:

A) 180

B) 90

C) 360

D) 270

123 / 191

Molar heat capacity at constant volume is given by:

2022 PMC Test 3
Physics
Heat and Thermodynamics
Elimination Tool:

A) dQ/dN

B) dQ/dP

C) dU/dT

D) dU/dV

124 / 191

Heat capacity is defined as _______ required to change the temperature of substance by_______

2022 PMC Test 3
Physics
Heat and Thermodynamics
Elimination Tool:

A) Momentum, 1 degree C

B) Heat, 1 degree C

C) Heat, 2 degree C

D) Work, 2 degree C

125 / 191

When electron absorbs a photon and jumps to higher states it is called:

2022 PMC Test 3
Physics
Dawn of Modern Physics
Elimination Tool:

A) De-excitation

B) Excitation

C) Emission

D) Conversion

126 / 191

Eddy currents flow in:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
Transformers
Elimination Tool:

A) Open loops

B) Closed loops

C) Straight lines

D) Vertlcal loops

127 / 191

SI Unit of current is ?

2022 PMC Test 3
Physics
Current Electricity
Elimination Tool:

A) Ampere

B) Volt

C) Joules

D) Watt

128 / 191

In annihilation process particles move in:

2022 PMC Test 3
Physics
Dawn of Modern Physics
Elimination Tool:

A) Same direction

B) Opposite direction

C) Perpendicular direction

D) Remain stationary

129 / 191

When a charge gets influenced by its surrounding, it has entered:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) An electric field

B) A gravitational field

C) Thermal field

D) Closed field

130 / 191

The flux through a surface will be minimum when angle between E and △A is:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) 90°

B) 60°

C) 30°

D) 0o

131 / 191

Electric Flux through the surface of a sphere which has constant charge at its centre depends on:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) The radius of the sphere

B) The surface area of the sphere

C) The amount of charge inside the sphere

D) The amount of charge outside the sphere

132 / 191

The projectile motion covers maximum range:

2022 PMC Test 3
Physics
Forces and Motion
Elimination Tool:

A) Horizontally

B) Vertically

C) Tangentially

D) Linearly

133 / 191

The SI Unit for resistance is?

2022 PMC Test 3
Physics
Current Electricity
Elimination Tool:

A) Ohm

B) Ampere

C) Watt

D) Volts

134 / 191

Electric current may be defined as:

2022 PMC Test 3
Physics
Current Electricity
Elimination Tool:

A) Rate of flow of charge

B) Rate of flow of momentum

C) Rate of flow of power

D) Rate of flow of energy

135 / 191

The property of musical sound which differentiate between grave and shrill sound is called?

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) Pitch

B) Intensity

C) Beats

D) Quality

136 / 191

In AC generator, AC current reverses its direction ______ times per second:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
A.C. and D.C. Generator
Elimination Tool:

A) 30

B) 40

C) 50

D) 60

137 / 191

Pitch is _____ proportional to Frequency:

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) Directly

B) Inversely

C) Expoentialy

D) No effect

138 / 191

When body moves in a circle _______ always changes:

2022 PMC Test 3
Physics
Circular Motion & Momentum
Elimination Tool:

A) Velocity

B) Acceleration

C) Mass

D) Force

139 / 191

1 kilowatt =____________ Watts.

2022 PMC Test 3
Physics
Work, Power & Energy
Elimination Tool:

A) 2000 watts

B) 1000 watts

C) 300 watts

D) 100 Watts

140 / 191

Electric Potential which is measured with respect to the zero potential is called:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) Absolute electric potential

B) Change in K.E

C) Change in potential energy

D) Electric Intensity

141 / 191

The K.E. of object at rest Is:

2022 PMC Test 3
Physics
Work, Power & Energy
Elimination Tool:

A) Maximum

B) Negative

C) Zero

D) Constant

142 / 191

The electric flux through the surface of the sphere is directly proportional to the:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) Surface area of the sphere

B) Radius of the sphere

C) Charge at the centre of the sphere

D) Nature of charge

143 / 191

Blackbody shows a ______ spectra:

2022 PMC Test 3
Physics
Dawn of Modern Physics
Elimination Tool:

A) Continuous

B) Discrete

C) Band

D) Line

144 / 191

When gamma photon is entered in nucleus it __________:

2022 PMC Test 3
Physics
Nuclear Physics
Radioactivity
Biological Effects and Uses of Radiation
Elimination Tool:

A) De-excite the nucleus

B) Excites the nucleus

C) Scattered by nucleus

D) No effect on nucleus

145 / 191

Earth revolution In 24 hours covers _____ angle:

2022 PMC Test 3
Physics
Circular Motion & Momentum
Elimination Tool:

A) 90

B) 60

C) 57.3

D) 360

146 / 191

The direction associated with angular displacement is given by:

2022 PMC Test 3
Physics
Circular Motion & Momentum
Elimination Tool:

A) Left-hand rule

B) Head to tail rule

C) Right hand rule

D) Fleming's rule

147 / 191

AC generator converts ________ energy:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
A.C. and D.C. Generator
Elimination Tool:

A) Mechanical to electrical

B) Electrical to mechanical

C) Electrical to heat

D) Heat to electrical

148 / 191

The formula to estimate P.E is:

2022 PMC Test 3
Physics
Work, Power & Energy
Elimination Tool:

A) F.d

B) mgh

C) kx

D) mvr

149 / 191

Photons of energy 10.25 eV fall on the surface of the metal emitting photoelectrons of maximum kinetic energy 5.0 eV. What is the stopping voltage required for these electrons?

2022 PMC Test 3
Physics
Dawn of Modern Physics
Elimination Tool:

A) 10V

B) 8V

C) 5V

D) 4V

150 / 191

The distance between two consecutive nodes of a stationary wave is:

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) λ

B) λ/2

C) λ/4

D) λ/6

151 / 191

Transformer can convert _________

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
Transformers
Elimination Tool:

A) Low DC voltage

B) High DC voltage

C) Battery voltage

D) AC voltage

152 / 191

In the absence of air resistance, an object thrown into the air at an angle of 20 degrees to the ground. It will experience:

2022 PMC Test 3
Physics
Forces and Motion
Elimination Tool:

A) Constant vertical acceleration

B) Changing vertical acceleration

C) Changing horizontal acceleration

D) Constant (non zero) horizontal acceleration

153 / 191

In water pipes _________ is used to detect leakages:

2022 PMC Test 3
Physics
Nuclear Physics
Biological Effects and Uses of Radiation
Radioactivity
Elimination Tool:

A) Radioisotope

B) Light

C) Current

D) Heat

154 / 191

Which of the following is true about newton’s laws of motion?

2022 PMC Test 3
Physics
Forces and Motion
Elimination Tool:

A) One of them is not related to forces

B) Two of them are not related to forces

C) All of them are related to forces

D) One of them is related forces

155 / 191

Pitch depends upon:

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) Frequency

B) Timbre

C) Loudness

D) Amplitude

156 / 191

Ali punches a mattress and then punches a wall with the same force. Why does Ali experience more pain while striking the wall?

2022 PMC Test 3
Physics
Forces and Motion
Elimination Tool:

A) The rate of change of momentum while striking the wall is lower

B) The rate of change of momentum while striking the wall is higher

C) The wall does not move

D) The mattress applies an equal and opposite force

157 / 191

Which radiation passes through black body:

2022 PMC Test 3
Physics
Dawn of Modern Physics
Elimination Tool:

A) Alpha

B) Gamma

C) Beta

D) All

158 / 191

When a bar magnet is broken from middle, the broken pieces will have:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
Amperes Law and Determination of Flux Density
Elimination Tool:

A) North pole only

B) Sooth pole only

C) Both south and north poles

D) Magnetism will be removed

159 / 191

Microwave is:

2022 PMC Test 3
Physics
Electromagnetic Waves
Elimination Tool:

A) An electromagnetic wave

B) Sound wave

C) Longitudinal wave

D) Standing wave

160 / 191

Example of mechanical waves is:

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) Transverse wave

B) Longitudinal wave

C) Both transverse and longitudinal wave

D) Compressional waves

161 / 191

Change in P.E per unit charge in the electric field is:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) Electric potential

B) Power

C) K.E

D) Work done

162 / 191

A full wave rectifier passes _________ into positive cycles:

2022 PMC Test 3
Physics
Electronics
Rectification
Elimination Tool:

A) Lower half cycle

B) Upper half cycle

C) Both lower and upper half cycles

D) One quarter cycle

163 / 191

An object travelling in a circle at 2 revolutions per second has an angular velocity of:

2022 PMC Test 3
Physics
Circular Motion & Momentum
Elimination Tool:

A) 12.9 rad/s

B) 13.3 rad/s

C) 12.6 rad/s

D) 14.6 rad/s

164 / 191

The value of acceleration due to gravity:

2022 PMC Test 3
Physics
Forces and Motion
Elimination Tool:

A) Is same on equator and poles

B) Is least on poles

C) Is least on equator

D) Increases from pole to equator

165 / 191

The change in potential energy per unit charge between two points in an electric field is called:

2022 PMC Test 3
Physics
Electrostatics
Elimination Tool:

A) Potential difference

B) Absolute potential

C) Electric Intensity

D) Permitivity

166 / 191

Water waves are:

2022 PMC Test 3
Physics
Wave Motion and Sound
Elimination Tool:

A) Longitudinal waves

B) Complex waves

C) Transverse waves

D) Both longitudinal and transverse wave

167 / 191

Magnetic field inside a long solenoid is:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
Amperes Law and Determination of Flux Density
Elimination Tool:

A) Varying with radial distance

B) Uniform

C) Zero

D) Not enough Information

168 / 191

The electromagnetic radiation which moves with high frequency will have _______ wavelength:

2022 PMC Test 3
Physics
Electromagnetic Waves
Elimination Tool:

A) Short

B) Long

C) Unchanged

D) Variable

169 / 191

If Cp = 20 J/mol.K then for 1 mole gas we get Cv= _______. You can use Cp/Cv = 1.7.

2022 PMC Test 3
Physics
Heat and Thermodynamics
Elimination Tool:

A) 10.6 J/K.mole

B) 2.7 J/K.mole

C) 13 J/K.mole

D) 11.7 J/K.mole

170 / 191

When coil is rotated in magnetic field, the current produced is:

2022 PMC Test 3
Physics
Magnetism and Electromagnetic Induction
A.C. and D.C. Generator
Elimination Tool:

A) Constant

B) Decrease

C) Increase

D) Continuously changing

171 / 191

____ potential difference is required for establishing steady current?

2022 PMC Test 3
Physics
Current Electricity
Elimination Tool:

A) Minimum

B) Constant

C) Maximum

D) Varying

172 / 191

Which equation represents the maximum output power of source?

2022 PMC Test 3
Physics
Work, Power & Energy
Elimination Tool:

A) P = VI

B) P = I2R

C) P = V2/R

D) P = E2/4R

173 / 191

__________ relationship exists between current and voltage in terms of Ohm’s law:

2022 PMC Test 3
Physics
Current Electricity
Elimination Tool:

A) Non linear

B) Varying

C) Linear

D) Alternating

174 / 191

Which one is correct?

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) You thought I was going to, but I didn't snatch people pocketbooks.

B) You thought I was going to, but I didn't snatch people's pocketbooks.

C) You thought, I am going to, but I didn't snatch people's pocketbooks.

D) You thought I was going to, but I don't snatch people's pocketbooks

175 / 191

Choose the correct spelling of the word.

2022 PMC Test 3
English
Grammar and Punctuation
Elimination Tool:

A) Racommend

B) Racomand

C) Recomend

D) Recommend

176 / 191

A white ball ______ for the first time in the 1992 Cricket World Cup.

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Used

B) Was used

C) Had used

D) Has been used

177 / 191

He started learning Engllsh ______ 2005

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) In

B) On

C) At

D) Through

178 / 191

The earth _____ to be moving.

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Seem

B) Seemed

C) Seeming

D) Seems

179 / 191

She said that she was happy. Which type of narration is used here?

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Indirect

B) Direct

C) Simple

D) Complex

180 / 191

I’ll show you a picture ____ the palace.

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Off

B) Of

C) In

D) At

181 / 191

Give her a break. It was not her _______ that the bus arrived late.

2022 PMC Test 3
English
Key Vocabulary
Elimination Tool:

A) Blame

B) Error

C) Crime

D) Fault

182 / 191

Find the correctly spelt word

2022 PMC Test 3
English
Grammar and Punctuation
Elimination Tool:

A) Sovereign

B) Soveregn

C) Soverean

D) Soverein

183 / 191

Choose the correct spelling of the word

2022 PMC Test 3
English
Grammar and Punctuation
Elimination Tool:

A) Bilding

B) Buillding

C) Building

D) Buldlng

184 / 191

Which one is correct?

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Let's took ten-minute break before starting the next session.

B) Let's take a ten-minute break before starting the next session.

C) Let's take up a ten-minute break before starting the next session.

D) Let's take out a ten-minute break tefore starting the next session.

185 / 191

When we were in Singapore last year, we __________ at a beautiful resort near an Island.

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Stayed

B) Stopped

C) Lived

D) Left

186 / 191

Choose the word wrongly spelt.

2022 PMC Test 3
English
Grammar and Punctuation
Elimination Tool:

A) Semester

B) Senesent

C) Sensory

D) Salacious

187 / 191

One day people ______ to Moon

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) Travel

B) Travelled

C) Will travel

D) Were travelling

188 / 191

You have to wait. He’ll be with you ____ a minute.

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) In

B) On

C) At

D) Of

189 / 191

I don’t like doing _______, especially mopping the floor.

2022 PMC Test 3
English
Key Vocabulary
Elimination Tool:

A) Homework

B) House chores

C) House job

D) Jobs

190 / 191

Choose the correct spelling of the word.

2022 PMC Test 3
English
Grammar and Punctuation
Elimination Tool:

A) Annehilate

B) Anihilate

C) Annihilate

D) Anehilate

191 / 191

Which one is correct?

2022 PMC Test 3
English
Tenses and Sentence Structure
Elimination Tool:

A) The people whom will help you find a job are here.

B) The people who will help you find a job are here.

C) The people who will help you find a job would here.

D) The people who will help you found a job are here.

Your score is

The average score is 68%

0%

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