MDCAT 2022 Past Paper 4 - PLS Academy

PMDC MDCAT Solved Past Papers with Answer Key

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Practicing PMDC MDCAT solved past papers with answer key allows students to instantly verify their answers and learn the best techniques for solving multiple-choice questions. The detailed solutions enhance conceptual clarity, reduce common mistakes, and improve analytical thinking. This method of preparation boosts confidence and ensures students are well-prepared for the real MDCAT exam.

This MDCAT paper consists of a total of 200 Questions

20 English
68 Biology
56 Chemistry
56 Physics

The time allotted for this paper was 210 minutes, however, You are free to leave at any point and resume or start over. Each question has only one correct answer.

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Created by Ali Durrani

MDCAT 2022 Past Paper 4

Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 193

Addison’s disease occurs because of under-secretion of which hormone?

2022 PMC Test 4
Biology
Elimination Tool:

A) Antidiuretic hormone

B) Aldosterone

C) Corticosterone

D) Melanophore-stimulating hormone

2 / 193

Which of the following is the correct path of alcoholic fermentation?

2022 PMC Test 4
Biology
Elimination Tool:

A) Glycolysis –> Reduction

B) Glycolysis –> Reduction –> Decarboxylation

C) Glycolysis –> Decarboxylation –> Reduction

D) Glycolysis –> Link reaction –> Kreb cycle –> ETC

3 / 193

How do we calculate the magnification of a microscope?

2022 PMC Test 4
Biology
Biology and its major fields of specialization
Elimination Tool:

A) Power of objective divided by power of eyepiece

B) Power of objective multiplied by power of eyepiece

C) Power of objective is only considered

D) Power of eyepiece is only considered

4 / 193

Which of the following virus has complex capsid that consists of polyhedral head and helical tall?

2022 PMC Test 4
Biology
Elimination Tool:

A) Influenza virus

B) Herpes virus

C) Bacteriophage

D) Human Immuno Deficiency virus

5 / 193

Which part of the hindbrain Is responsible for regulating breathing patterns?

2022 PMC Test 4
Biology
Elimination Tool:

A) Medulla oblongata

B) Cerebellum

C) Brain stem

D) Pons

E) Both A and D

6 / 193

Where does fertilization occur in human body?

2022 PMC Test 4
Biology
Elimination Tool:

A) Ovary

B) Uterus

C) Fallopian Tube

D) Vagina

7 / 193

Saccoglossus belongs to which group of invertebrates?

2022 PMC Test 4
Biology
Elimination Tool:

A) Porifera

B) Cnidaria

C) Echindermata

D) Hemichordates

8 / 193

Which of the following is incorrect about virus?

2022 PMC Test 4
Biology
Elimination Tool:

A) Viruses are intracellular parasites

B) Viruses cannot attack upon prokaryotes

C) Viruses contain genetic information and have a capsid protein coat

D) Viruses cannot survive without a host

9 / 193

Carbon dioxide passes through plasma membrane of cells by:

2022 PMC Test 4
Biology
Elimination Tool:

A) Active transport

B) Phagocytosis

C) Facilitated diffusion

D) Simple diffusion

10 / 193

Synovial cavity is filled with:

2022 PMC Test 4
Biology
Elimination Tool:

A) blood

B) salts

C) synovial fluid

D) proteins

11 / 193

Septic arthritis is caused by:

2022 PMC Test 4
Biology
Elimination Tool:

A) Aging

B) Bacteria

C) Metabolic

D) Physical contact

12 / 193

Which cells protect the stomach wall by producing mucus?

2022 PMC Test 4
Biology
Elimination Tool:

A) chief cells

B) mucus cells

C) zymogen cells

D) endocrine cells

13 / 193

Albinism is an autosomal recessive trait. A woman with albino father marries an albino man. What Is the probability of albinism in her children?

2022 PMC Test 4
Biology
Elimination Tool:

A) 25%

B) 50%

C) 75%

D) 100%

14 / 193

Major component of bacterial cell wall is:

2022 PMC Test 4
Biology
Elimination Tool:

A) teichoic acid

B) cartenoid

C) chitin

D) murein

15 / 193

Amylopectin is ______ and insoluble in ______

2022 PMC Test 4
Biology
Elimination Tool:

A) branched sugar, water

B) unbranched sugar, ethanol

C) branched sugar, cold water

D) unbranched sugar, hot water

16 / 193

Mendel’s idea that pair of characters separate during gamete formation is called:

2022 PMC Test 4
Biology
Elimination Tool:

A) Law of particulate inheritance

B) Law of segregation

C) Law of dominance

D) Law of independant assortment

17 / 193

The uterus of the female reproductive system opens up to the?

2022 PMC Test 4
Biology
Elimination Tool:

A) Placenta

B) Ovary

C) Cervix

D) Oviduct

18 / 193

A condition characterized by bouts of over eating fattening food is called:

2022 PMC Test 4
Biology
Elimination Tool:

A) anorexia

B) botulism

C) bulimia nervosa

D) piles

19 / 193

Evolution is the process that demostrates:

2022 PMC Test 4
Biology
Elimination Tool:

A) how characters are passed from one generation to the next

B) How organisms perform their activities in different environment

C) How new species originate from existing species

D) How new species are formed specially and specifically by the nature

20 / 193

Which one is a contagious disease

2022 PMC Test 4
Biology
Elimination Tool:

A) lung cancer

B) asthma

C) pulmonary tuberculosis

D) emphysema

21 / 193

What is the change in the resting potential when a neuron fires a nerve impulse?

2022 PMC Test 4
Biology
Elimination Tool:

A) It becomes more negative moving from the cell body to the axon

B) It becomes more positive moving from the cell body to the axon

C) It becomes more negative moving from the axon to the cell body

D) It becomes more positive moving from the axon to the cell body

22 / 193

Golgl complex was discovered by which scientist?

2022 PMC Test 4
Biology
Elimination Tool:

A) Robert Brown

B) Camillo Golgi

C) De Duve

D) Robert Hooke

23 / 193

Only one compound is neutral, the others are reactive. Point the one

2022 PMC Test 4
Biology
Elimination Tool:

A) cytoplasm

B) HCl

C) Urine

D) Pure water

24 / 193

Diffused nervous system is present In which animal group?

2022 PMC Test 4
Biology
Elimination Tool:

A) Platyhelminthes

B) Annelida

C) Cnidaria

D) Porifera

25 / 193

Which of the following enzymes is absent in pancreatic juice?

2022 PMC Test 4
Biology
Elimination Tool:

A) amylase

B) erepsin

C) lipase

D) trypsin

26 / 193

What is correct about the active site of the enzyme?

2022 PMC Test 4
Biology
Elimination Tool:

A) it detaches itself from the product after catalysis

B) It's shape is complementary to the substrate

C) It Is Involved in feedback inhibition

D) It Is Involved In irreversible, non-competitive Inhibition

27 / 193

During sterilization process, in order to control pathogens, we use dry heat which causes

2022 PMC Test 4
Biology
Elimination Tool:

A) Oxidation of bacterial compunds*

B) Coagulation of bacterial proteins

C) Separate the bacteria from their media

D) Decrease in bacterial growth

28 / 193

When a neuron’s membrane potentials is between – 70 mV and – 90 mV, it is said to be In a state of:

2022 PMC Test 4
Biology
Elimination Tool:

A) Depolarization

B) hyperpolarization

C) repolarization

D) No polarization

29 / 193

A very delicate surrounding that may result In death of bacteria If damaged Is called

2022 PMC Test 4
Biology
Elimination Tool:

A) Capsule

B) Flagella

C) Cell membrane

D) Cell wall

30 / 193

The osmotic pressure of blood Is maintained by:

2022 PMC Test 4
Biology
Elimination Tool:

A) Membrane proteins

B) Fibrous proteins

C) Plasma proteins

D) Myosln

31 / 193

The origin of new species from already existing species over a period of time Is called:

2022 PMC Test 4
Biology
Evolution
Elimination Tool:

A) adaptation

B) Evolution

C) Neo.Darwinsm

D) Special creation

32 / 193

Which one of the following can easily pass through plasma membrane

2022 PMC Test 4
Biology
Elimination Tool:

A) Fat soluble substances

B) Protiens

C) Highly charged materials

D) polysacchrides

33 / 193

To reduce one molecule of O2, _ _ _ electron(s) must be passed through the electron transport chain and _ _ _ molecule(s) of NADH ls(are) oxidized

2022 PMC Test 4
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) 1:1

B) 4:4

C) 1:2

D) 4:2

34 / 193

Poxviruses are:

2022 PMC Test 4
Biology
Elimination Tool:

A) Double stranded DNA virus

B) Single stranded RNA virus

C) Single stranded DNA virus

D) Protein virus

35 / 193

What Is the function of the fluid secreted by Sertoli cells?

2022 PMC Test 4
Biology
Elimination Tool:

A) Stimulate spermatogenesis

B) Stimulates secondary sexual dveleopment

C) Provides nourishment to sperms

D) Inhibits spermatogenesis

36 / 193

What is the net gain of ATP In glycolyslis, if it occurs during anaerobic respiration?

2022 PMC Test 4
Biology
Elimination Tool:

A) 2 ATP/glucose molecule

B) 4 ATP/glucose molecule

C) 6 ATP/glucose molecule

D) 8 ATP/glucose molecule

37 / 193

Function of insulin:

2022 PMC Test 4
Biology
Elimination Tool:

A) Promoting hydrolysis of glycogen

B) Increasing the rate of fat breakdown

C) promoting conversion of glucose into protein

D) reduces blood glucose level

38 / 193

Proliferative phase is also termed as:

2022 PMC Test 4
Biology
Elimination Tool:

A) Secretory phase

B) Menstruations phase

C) Follicular or preoculatory phase

D) Secondary phase

39 / 193

What Is correct about triploblastic animals?

2022 PMC Test 4
Biology
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.

40 / 193

Homologous organs indicate the:

2022 PMC Test 4
Biology
Evolution
Elimination Tool:

A) Convergent evolution

B) Divergent evolution

C) Co-evolution

D) Artificial selection

41 / 193

Reducing sugar among the following is:

2022 PMC Test 4
Biology
Elimination Tool:

A) galactose

B) gluconic acid

C) glycogen

D) sucrose

42 / 193

Which features Identify deuterostomes?

2022 PMC Test 4
Biology
Elimination Tool:

A) Blastopore makes the mouth.

B) Zygote divides splrally.

C) Mesoderm forms from the developing no gut

D) Fate of each blastomere Is pre-determined

43 / 193

Optimum pH for salivary amylase Is:

2022 PMC Test 4
Biology
Elimination Tool:

A) 2

B) 6.8

C) 7.6

D) 9

44 / 193

Which of these Is the right combination of molecules which make up the secondary cell wall In plant cells?

2022 PMC Test 4
Biology
Elimination Tool:

A) Cellulose, lignin, and xylem

B) Cellulose, hemicellulose, and lignin

C) Cellulose only

D) Cellulose, hemicellulose, and pectin

45 / 193

The palmitic acid melts at _____

2022 PMC Test 4
Biology
Elimination Tool:

A) 8 C

B) 72 C

C) 63.1 C

D) 7 C

46 / 193

Which of the following Is a circular, double stranded DNA molecules present in some bacterial cells?

2022 PMC Test 4
Biology
Elimination Tool:

A) nucleoid

B) Plasmids

C) mesosomes

D) Chromosomes

47 / 193

Enzymes have capacity to change the:

2022 PMC Test 4
Biology
Elimination Tool:

A) Concentration of substrate in the reaction system

B) Temperature of the reaction ~ystem

C) pH of the reaction system

D) Concentration of inhibitor

48 / 193

What is the meaning of articulation?

2022 PMC Test 4
Biology
Elimination Tool:

A) Connections between Joints

B) Connections between cartilages

C) Connections between bones

D) Connections between muscles

49 / 193

Which of the following Is the system of elongated sac like structures (cisternae) or tubes linking the cell surface membrane and the nuclear envelope?

2022 PMC Test 4
Biology
Elimination Tool:

A) Microtubules

B) Endoplasmic reticulum

C) Golgi complex

D) Microfilaments

50 / 193

One map unit is supposed to be equal to:

2022 PMC Test 4
Biology
Elimination Tool:

A) 1%recombination frequency

B) 5%recombination frequency

C) 10%recombination frequency

D) 15%recombination frequency

51 / 193

Protein factories In prokaryotlc cell are:

2022 PMC Test 4
Biology
Elimination Tool:

A) mesosomes

B) Ribosomes

C) Plasmids

D) Nucleotide

52 / 193

The variations in indiviuals that lead to evolution are because of differences in:

2022 PMC Test 4
Biology
Evolution
Elimination Tool:

A) genes

B) anatomy

C) physiology

D) .Acquired characters

53 / 193

The tertiary structure of protein indicates its:

2022 PMC Test 4
Biology
Elimination Tool:

A) Chemical function

B) Biological function

C) Physical appereance

D) characterstics

54 / 193

The initial process of breaking down glucose is called

2022 PMC Test 4
Biology
Elimination Tool:

A) Reduction

B) Glycolysis

C) Chemiosmosis

D) Oxidation

55 / 193

Which of the following number of chromosomes are present in the somatic cells of Drosophila?

2022 PMC Test 4
Biology
Elimination Tool:

A) 4

B) 8

C) 16

D) 2

56 / 193

Concentration of bile Is the function of which body part?

2022 PMC Test 4
Biology
Elimination Tool:

A) Liver

B) Gall bladder

C) Pancreas

D) Stomach

57 / 193

Which of the following is the part of male reproductive system?

2022 PMC Test 4
Biology
Elimination Tool:

A) Cervix

B) Leydig cells

C) Myometrium

D) Corpus luteum

58 / 193

Catalysts that increase the rate of biological chemical reaction are called?

2022 PMC Test 4
Biology
Enzymes
Elimination Tool:

A) proteins

B) vitamins

C) enzymes

D) minerals

59 / 193

Which of the following provide resistance against some antibiotics such as beta lactam?

2022 PMC Test 4
Biology
Elimination Tool:

A) Gram negative cell wall

B) Spores

C) Slime

D) Capsules

60 / 193

The temporary storage of energy in the human body is:

2022 PMC Test 4
Biology
Elimination Tool:

A) Cellulose

B) Glycogen

C) ATP

D) Fats

61 / 193

Which of these is a type of arthritis that Is primarily due to aging?

2022 PMC Test 4
Biology
Elimination Tool:

A) Septic arthritis

B) Rheumatoid arthritis

C) Osteoarthritis

D) Rheumatoid and oesteoarthritis

62 / 193

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

2022 PMC Test 4
Biology
Elimination Tool:

A) Cell wall

B) Cell wall and vacuole

C) Nucleus and vacuole

D) Cell memebrane

63 / 193

Cellulose is _____

2022 PMC Test 4
Biology
Elimination Tool:

A) hexose polysaccharlde

B) heptose polysaccharlde

C) heteropolysaccharlde

D) pentosepolysaccharlde

64 / 193

A test cross is performed:

2022 PMC Test 4
Biology
Elimination Tool:

A) Only with hybrids

B) Only with pure types

C) Only with recessives

D) To determine whether an organism Is heterozygous or homozygous dominant

65 / 193

The viruses who can attack the bacteria are known as:

2022 PMC Test 4
Biology
Elimination Tool:

A) Retrovirus

B) Pox virus

C) Bacteriophage

D) Oncovirus

66 / 193

In terms of effects on metabolism, all of them are mismatched except:

2022 PMC Test 4
Biology
Elimination Tool:

A) secretin, gastrin, insulin

B) secretin, gastrin, glucagon

C) oestrogen, progesterone, oxytocin

D) Follicle-stimulating hormone, somatotrophic hormone, adrenocorticotropic hormone

67 / 193

Incomplete or Imperfect digestion Is called:

2022 PMC Test 4
Biology
Elimination Tool:

A) anorexia

B) botulism

C) bulimia nervosa

D) Dyspepsia

68 / 193

Phenotype represents:

2022 PMC Test 4
Biology
Elimination Tool:

A) Physical appereance of the trait

B) Genetic makeup of the trait

C) Normal trait

D) Mutant trait

69 / 193

The applicants had some questions during the interview?

This sentence has an error of:

2022 PMC Test 4
English
Elimination Tool:

A) Grammar

B) Capatalization

C) Spelling

D) Punctuation

70 / 193

The ice is very ______ so do not walk on it, or you will fall into it.

2022 PMC Test 4
English
Elimination Tool:

A) High

B) Low

C) Thick

D) Thin

71 / 193

What is a synonym of the word ‘pedestrian’?

2022 PMC Test 4
English
Elimination Tool:

A) Pavement

B) Passerby

C) Precinct

D) Person

72 / 193

Children always ______ the truth.

2022 PMC Test 4
English
Elimination Tool:

A) are speaking

B) speak

C) will speak

D) spoke

73 / 193

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

2022 PMC Test 4
English
Elimination Tool:

A) indirect

B) direct

C) simple

D) complex

74 / 193

I must book the ____ for our tennis game on Sunday.

2022 PMC Test 4
English
Elimination Tool:

A) field

B) court

C) green

D) team

75 / 193

He often _ _ _ to school on time.

2022 PMC Test 4
English
Elimination Tool:

A) will go

B) goes

C) will be going

D) have gone

76 / 193

We are still a long way from ____ home.

2022 PMC Test 4
English
Elimination Tool:

A) a

B) an

C) the

D) no article

77 / 193

Which sentence is correct?

2022 PMC Test 4
English
Elimination Tool:

A) If it had not been this sort of a school, I would probably not have gotten into this university.

B) If it had not been this sort of school, I would probably not have gotten into this university.

C) If it had not been this sort of a school, I will probably not have gotten in this university

D) If it have not been this sort of a school, i will probably not have gotten in this university.

78 / 193

Choose the correct spelling of the word

2022 PMC Test 4
English
Elimination Tool:

A) Ignomeny

B) Ignominy

C) Ignomminy

D) Ignomny

79 / 193

We need to use ______ method to solve this problem.

2022 PMC Test 4
English
Elimination Tool:

A) other

B) another

C) others

D) either

80 / 193

Adil insisted we all go out for _____ cup of coffee.

2022 PMC Test 4
English
Elimination Tool:

A) a

B) an

C) the

D) no article

81 / 193

Many job’s require that the applicants must be a college graduate.

This sentence has an error of:

2022 PMC Test 4
English
Elimination Tool:

A) Grammar

B) Capitalization

C) Spelling

D) Punctuation

82 / 193

Choose the sentence with the correct preposition

2022 PMC Test 4
English
Elimination Tool:

A) He was accused of theft

B) He was accused from theft

C) He was accused off theft

D) He was accused with theft

83 / 193

They had to put _ _ _ _ the meeting when the general director didn’t turn _ _ _ _ .

2022 PMC Test 4
English
Elimination Tool:

A) on, off

B) up, off

C) off, on

D) off, up

84 / 193

I _ _ _ to quit my job and have planned to apply for another one.

2022 PMC Test 4
English
Elimination Tool:

A) decided

B) have decided

C) had decided

D) was decided

85 / 193

Choose the correct spelling of the word

2022 PMC Test 4
English
Elimination Tool:

A) Annehilate

B) Anihilate

C) Annihilate

D) Anehilate

86 / 193

Choose the correct spelling of the word.

2022 PMC Test 4
English
Elimination Tool:

A) Racommend

B) Racomend

C) Recomend

D) Recommend

87 / 193

If the force of 20 N acts at an angle 60 degree along horizontal then its vertical and horizontal components are:

2022 PMC Test 4
Physics
Elimination Tool:

A) 20 N, 0 N

B) 15 N, 10 N

C) 17.32 N, 10 N

D) 10 N, 17.32 N

88 / 193

The maximum number of electrons which can be accommodated in all orbital for which I=3 is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) 6

B) 14

C) 10

D) 18

89 / 193

In the electrolysis of fused salt, where do the cations move?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Move towards anode and discharge on it

B) Move towards cathode and discharge on it

C) Move towards cathod, gain electron and dissolve in solution

D) Both a and b

90 / 193

Which of the following substances have the highest intermolecular forces of attarction:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) H20

B) H2S

C) H2Se

D) H2Te

91 / 193

Addition of extra CH3COONa in acetate buffer soluton wlll:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Decrease pH

B) Have no effect on pH

C) Increase pH

D) First increases, then decreases

92 / 193

Aldehyde common names are derived from carboxylic acid names with the same number of:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Hydrogen atoms

B) Carbon atoms

C) Oxygen atoms

D) Carbon and hydrogen atoms

93 / 193

Which of the following substances is the strongest reducing agent?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Cl2

B) Cl-

C) Br2

D) Br-

94 / 193

Which one of the following is a strong nucleophile:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Cl-

B) Br-

C) OH-

D) HSO4-

95 / 193

What is the percentage of C in glucose (C6H12O6)?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) 41.5

B) 38

C) 39.9

D) 38.9

96 / 193

Which of these has a bond length of ______ 174 pm?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) C-C

B) Cl-Cl

C) Cl-H

D) C-Cl

97 / 193

The correct name of CH2Cl2 is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Methyl chloride

B) Methylene chloride

C) Chloroform

D) Carbonyl chloride

98 / 193

Lattice energy does not depend on the:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Nature of charge of the ion

B) Size of ions

C) Magnitude of charge on the ion

D) Room temperature

99 / 193

The breaking of large molecules by heating at high temperature and pressure is called:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Reforming

B) Steam cracking

C) Catalytic cracking

D) Thermal cracking

100 / 193

The carbanion attacks the molecule of another carbonyl compound to form:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) an alkoxide group

B) aldol

C) a carbanion

D) a carbonium ion

101 / 193

Fehling’s solution is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Alkaline-cupric citrate complex ion

B) Ammonical AgNO3

C) Alkaline cupric tartarate complex ion

D) Sodium nitroprusside solution

102 / 193

Number of molecules possessing Ea (Activation Energy) can be increased by

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Adding a catalyst

B) increasing the volume

C) increasing temperature

D) increasing temperature of Moles of Reactants

103 / 193

The atomic number of calcium is 20. The electronic structure of a calcium ion can be represented as:

2022 PMC Test 4
Chemistry
Atomic Structure
Elimination Tool:

A) 2,8

B) 2,8,4

C) 2,8,8

D) 2,8,8,2

104 / 193

Ksp (Solubility product) depends upon:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Pressure

B) Concentration

C) Temperature

D) Volume

105 / 193

Which one of the following is called as compressibility factor?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) PV=nRT

B) PV/nRT

C) PV/RT=n

D) PV/T=Rn

106 / 193

An eagle of mass 4 kg is locked inside a cage of mass 2 kg. If the eagle starts flying, what will be the mass of the bird and cage assembly?

2022 PMC Test 4
Physics
Elimination Tool:

A) 5 kg

B) 7 kg

C) 2 kg

D) 6 kg

107 / 193

Unit of time in FPS units is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Milliseconds

B) Minute

C) Hour

D) Second

108 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) H2O

B) H2S

C) H2Se

D) H2Te

109 / 193

Who named the positive rays produced by the hydrogen gas in discharge tube?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Goldstein

B) Rutherford

C) Bohr

D) Chedwick

110 / 193

Which of the following orbitals has lower energy?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Anti-bonding molecular orbital

B) Anti-bonding atomic orbitals

C) Bonding half-filled orbitals

D) Bonding molecular orbital

111 / 193

A compound of boron and hydrogen contains 18.9% hydrogen and 81.1% boron. The empirical formula of the compound is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) BeH2

B) Be2H

C) B4H

D) B2H5

112 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Esterification

B) Nitrosation

C) Amide formation

D) Lucas reaction

113 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Oxides of nitrogen are unstable

B) Catalyst is required for the reaction

C) The reaction is endothermic

D) N2 and O2 do not react with each other

114 / 193

Which one is an interstitial compound?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) TiC

B) ZnO

C) BF3

D) NH3

115 / 193

2-chlorobutane belongs to:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Primary Alkyl halides

B) Secondary Alkyl halide

C) Tertiary alkyl halides

D) Quarternary alkyl halides

116 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Free radicals

B) Cations

C) Anions

D) Molecules

117 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) water

B) base

C) acid anhydrides

D) acid

118 / 193

Which of the following has anti knocking properties?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) (CH₃CH₂)₄Sn

B) (CH₃CH₂)₄Pb

C) (CH₃CH₂)₄Ge

D) (CH₃CH₂)₄Si

119 / 193

Which one of the following is not a common name?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Butanoic acid

B) Formic acid

C) Propionic acid

D) Acetic acid

120 / 193

In the ion-electron method of balancing equations, how oxygen is balanced?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) O is balanced by adding O2

B) O is balanced by adding H2O

C) O is balanced by adding OH

D) All the ways are used

121 / 193

Gases behave ideally at:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) under normal temperature and pressure conditions

B) at room temperature and pressure

C) at high temperature and low pressure

D) at high pressure and low temperature

122 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Esterification

B) Nitrosation

C) Amide formation

D) Lucas reaction

123 / 193

The addition of an acid or H+ Ions to acetic acid buffer will:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Increase the pH

B) Decrease the pH

C) Have no effect on the pH

D) Both A and B

124 / 193

Gases can easily mix with each other to form a uniform mixture, this property Is called:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Effusion

B) Homogenous Mixing

C) Diffusion

D) Heterogenous mixing

125 / 193

The flavour of amyl butyrate is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Mango

B) Raspberry

C) Apricot

D) Orange

126 / 193

The increase in probability of hydroxides of alkaline metals increase down the group due to low:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Ionic size

B) Atomic size

C) Decrease in lattice energy

D) Hydration energy

127 / 193

Which of the following metal occurs in free state __________ ?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Gold

B) Iron

C) Mercury

D) Copper

128 / 193

Malleability is a property of metals which means_____?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Drawn into wires

B) Converted into sheets

C) Drawn into wires and converted into sheets

D) Breakable

129 / 193

Which one of the following is calculated from balanced equation during the determination of limiting reactant?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Amount of reactants present

B) Amount of limiting reactant that produces·the product

C) Amount of product expected to form from each reactant

D) Amountof excess reactant

130 / 193

In the gaseous phase, when ionization takes place ____________ are isolated and are free from all external influences:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Atoms and molecule

B) Atom and cation

C) Atom and anion

D) Atom and ion

131 / 193

Which solids are also called as atomic solids?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Ionic solids

B) Covalent solids

C) Molecular solids

D) Metallic solids

132 / 193

White precipitate is formed when _ _ _ _ is passed through ammoniacal solution of silver nitrate.

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Methylene

B) Ethylene

C) Acetylene

D) Vinylene

133 / 193

Which of the following undergoes sulfonation the fastest?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Benzene

B) Chlorobenzene

C) Nitrobenzene

D) Toluene

134 / 193

Using the periodic table, indicate which one of the following elements is the most metallic?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Rb

B) K

C) Ca

D) Fe

135 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) 150.5 kJ/mol

B) 150.5 J/mol

C) 150.5 kJ/molecule

D) 150.5 J/molecule

136 / 193

Force is a:

2022 PMC Test 4
Physics
Elimination Tool:

A) Vector

B) Scalar

C) Tensor

D) Base quantity

137 / 193

Which of the following products is formed by the reaction of aluminium with nitrogen?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) AlN3

B) AlN

C) Al2N2

D) Al3N2

138 / 193

How many unpaired electrons are there in Co2+ ion?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) 2

B) 3

C) 4

D) 7

139 / 193

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

2022 PMC Test 4
Chemistry
Elimination Tool:

A) ΔH=qw

B) ΔH=q-ΔPΔV

C) ΔH=q+w

D) Q= E+W

140 / 193

What is the value of lattice energy when one mole of an ionic crystal is formed?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Positive value

B) Negative value

C) Zero value

D) Positive fraction value

141 / 193

Which of the following fractions of petroleum has the lowest boiling point at STP?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) Kerosene Oil

B) Lubricating Oil

C) Gasoline

D) Natural Gas

142 / 193

The C-C bond length In benzene is:

2022 PMC Test 4
Chemistry
Elimination Tool:

A) 1.39 Angstrom

B) 1.20 Angstrom

C) 1.34 Angstrom

D) 1.54 Angstrom

143 / 193

What Is the unit of slope obtained from Arrhenius equation?

2022 PMC Test 4
Chemistry
Elimination Tool:

A) K

B) J/mol K

C) mol/K

D) K-

144 / 193

The negative sign in Lenz’s law indicates that the induced emf opposes the rate of change of:

2022 PMC Test 4
Physics
Elimination Tool:

A) Electric flux

B) Magentic flux

C) Electric field

D) Magentic field

145 / 193

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

2022 PMC Test 4
Physics
Elimination Tool:

A) Potential difference

B) Absolute potential

C) Electric intensity

D) Permittivity

146 / 193

A man of mass 50 kg on the top floor of a skyscraper steps into an elevator.

Assume g=10 ms-2.

What is the man’s weight as the elevator accelerates downward at a rate of 1.5 ms-2?

2022 PMC Test 4
Physics
Elimination Tool:

A) 460 N

B) 325 N

C) 425 N

D) 475 N

147 / 193

Which of the following could not be the units of electric intensity?

2022 PMC Test 4
Physics
Elimination Tool:

A) Joule per coulomb per meter

B) Joule per coulomb

C) Volt per meter

D) Newton per coulomb

148 / 193

Electrical potential energy between two charges at distance “r” is given by:

2022 PMC Test 4
Physics
Elimination Tool:

A) (k*q1*q2)/r

B) (k*q1*q2)/r2

C) k*q1*q2

D) k*q1*q2/2r

149 / 193

An ordinary TV screen made of cathode tube emits:

2022 PMC Test 4
Physics
Elimination Tool:

A) Cathode rays

B) Anode rays

C) Gamma rays

D) None of the above options

150 / 193

The x-rays used in the medical field have ____ intensity:

2022 PMC Test 4
Physics
Elimination Tool:

A) High

B) Low

D) Very High

C) Medium

151 / 193

X rays are also known as:

2022 PMC Test 4
Physics
Elimination Tool:

A) Low energy invisible photons

B) High energy visible photons

C) High energy invisible photons

D) Low energy visible photons

152 / 193

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

2022 PMC Test 4
Physics
Elimination Tool:

A) The radius of the sphere

B) The surface area of the sphere

C) The amount of charge inside of the sphere

D) The amount of charge outside the sphere

153 / 193

The distance between adjacent fringes will increase if we use:

2022 PMC Test 4
Physics
Elimination Tool:

A) Red light

B) Blue light

C) Lowest order

D) Highest order

154 / 193

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

2022 PMC Test 4
Physics
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

155 / 193

If the kinetic energy is increased 4 times then momentum will increase:

2022 PMC Test 4
Physics
Elimination Tool:

A) 3 times

B) 4 times

C) 5 times

D) 2 times

156 / 193

A body is undergoing non uniform circular motion, work done by radial force on the body:

2022 PMC Test 4
Physics
Elimination Tool:

A) Positive

B) Zero

C) Negative

D) Variable

157 / 193

Ohm’s Law is applicable only when temperature is:

2022 PMC Test 4
Physics
Elimination Tool:

A) changing

B) absolute zero

C) constant

D) decreasing

158 / 193

Steady current does not change with respect to _____

2022 PMC Test 4
Physics
Elimination Tool:

A) conductor

B) source

C) time

D) potential difference

159 / 193

Terminal potential difference of a cell:

2022 PMC Test 4
Physics
Elimination Tool:

A) Increases with increase in its internal resistance

B) Decreases with increase in its internal resistance

C) Its independent of its internal resistance

D) Varies exponentially with resistance

160 / 193

Centripetal force is provided by ______ in a frictional road around a circular path

2022 PMC Test 4
Physics
Elimination Tool:

A) Frictional force

B) normal force

C) gravitational force

D) pseudo force

161 / 193

A three dimensional image is obtained by scanning the surface with a focused beam of electrons:

2022 PMC Test 4
Physics
Elimination Tool:

A) SEM

B) TEM

C) X-ray

D) STEM

162 / 193

Earth covers its one revolution around the Sun in:

2022 PMC Test 4
Physics
Elimination Tool:

A) 24 hours

B) 7 days

C) 12 months

D) 60 minutes

163 / 193

Unit of frequency is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Hertz

B) decibel

C) ampere

D) radian

164 / 193

Specific heat of gas in isothermal process is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Infinite

B) Zero

C) Negative

D) Remain constant

165 / 193

Example of mechanical waves is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Transverse waves

B) Longitudinal wave

C) Both transverse and longitudinal wave

D) Compressional wave

166 / 193

The quantity used in angular measurement is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Perimeter

B) Area

C) Circumference

D) Volume

167 / 193

Microwave is:

2022 PMC Test 4
Physics
Elimination Tool:

A) An electromagnetic wave

B) sound wave

C) longitudinal wave

D) standing wave

168 / 193

What is the relationshlp between the half life of a radioactive isotope and its wavelength?

2022 PMC Test 4
Physics
Elimination Tool:

A) they are equal in magnitude

B) they are directly proportional

C) they are inversely proportional

D) No relation

169 / 193

Two springs having force constants in the ratio of 3:4, both the springs are stretched by equal force F, if elongation in first spring is x then elongation in the second spring is:

2022 PMC Test 4
Physics
Elimination Tool:

A) 3x

B) 4x

C) 3x/4

D) 4x/3

170 / 193

A gun fires a bullet of mass 40 g with a velocity of 1200 ms-1 . The man holding it can exert a maximum force of 144 N on the gun. How many bullets can he fire per second at the most?

2022 PMC Test 4
Physics
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

171 / 193

Molar heat capacity is defined as heat required to raise the temperature by 1 degree of ____ substance.

2022 PMC Test 4
Physics
Elimination Tool:

A) 2 mole

B) 2 kg

C) 1 kg

D) 1 mole

172 / 193

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

2022 PMC Test 4
Physics
Elimination Tool:

A) pitch

B) intensity

C) beats

D) quality

173 / 193

The mechanical energy of our hand used to push the magnet towards or away from the coil results in:

2022 PMC Test 4
Physics
Elimination Tool:

A) Heat energy

B) Potential energy

C) Electrical energy

D) Mechanical energy

174 / 193

Pitch depends on:

2022 PMC Test 4
Physics
Elimination Tool:

A) Frequency

B) Timbre

C) loudness

D) amplitude

175 / 193

The unit for absorption power is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Meter

B) Second

C) Henry

D) No Units

176 / 193

Resistivity of a substance Is defined as the resistance of a _____ of that substance.

2022 PMC Test 4
Physics
Elimination Tool:

A) meter

B) meter square

C) meter cube

D) centimeter

177 / 193

Transistors can be used as:

2022 PMC Test 4
Physics
Elimination Tool:

A) Half-wave rectifier

B) Full-wave rectifier

C) Photocell

D) Switch

178 / 193

Current is ______ physical quantity

2022 PMC Test 4
Physics
Elimination Tool:

A) scalar quantity

B) vector quantity

C) variable quantity

D) constant quantity

179 / 193

If the current in a wire is doubled then magnetic field would be:

2022 PMC Test 4
Physics
Elimination Tool:

A) halved

B) remain same

C) triple

D) double

180 / 193

The magnetic flux density is:

2022 PMC Test 4
Physics
Elimination Tool:

A) magnetic field lines per unit area

B) magnetic field lines per unit volume

C) electric field lines per unit area

D) electric field lines per unit volume

181 / 193

Direction of electric force and electric field intensity for a positive charge is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Parallel to each other

B) Perpendicular to each other

C) Opposite to each other

D) Random

182 / 193

In a step down transformer, the current in the secondary coil is _ _ the current in the primary coil:

2022 PMC Test 4
Physics
Elimination Tool:

A) Equal to

B) Less than

C) Greater than

D) Unchanged

183 / 193

Among the following four spectral regions, which photon has the highest energy?

2022 PMC Test 4
Physics
Elimination Tool:

A) Infrared

B) Violet

C) Blue

D) red

184 / 193

Unit of heat capacity is:

2022 PMC Test 4
Physics
Elimination Tool:

A) J/K

B) J/K.mole

C) J/K.kg

D) Joule

185 / 193

The self inductance of a coil does not depend upon:

2022 PMC Test 4
Physics
Elimination Tool:

A) length

B) current

C) the number of turns

D) the area of the coil

186 / 193

Planck’s constant is analogous to:

2022 PMC Test 4
Physics
Elimination Tool:

A) Inertia

B) Wave nature

C) Angular momentum

D) Linear momentum

187 / 193

The current produced by a moving coil is called:

2022 PMC Test 4
Physics
Elimination Tool:

A) Induced current

B) Direct current

C) Polarized current

D) No current

188 / 193

Radian can be used to measure:

2022 PMC Test 4
Physics
Elimination Tool:

A) length of line

B) Diameter of circle

C) side of traingle

D) arc length

189 / 193

The study of magnets is called:

2022 PMC Test 4
Physics
Elimination Tool:

A) Electromagnetism

B) Magnetism

C) Electrostatics

D) Current electricity

190 / 193

The velocity of sound in vacuum at 0 C:

2022 PMC Test 4
Physics
Elimination Tool:

A) 332 m/s

B) 344 m/s

C) 330 m/s

D) 0

191 / 193

Minimum value of kinetic energy is:

2022 PMC Test 4
Physics
Elimination Tool:

A) Infinite

B) Zero

C) Negative constant

D) Minus infinite

192 / 193

Resistance of a conductor depends upon:

2022 PMC Test 4
Physics
Elimination Tool:

A) Temperature

B) Nature of a conductor

C) Length

D) Color

193 / 193

Consider an isolated parallel plate capacitor. Both plates have charge +Q and -Q and filled with a dielectric with dielectric constant K. We pull out the dielectric material, if the charges on the plates do not change, how does the energy in the capacitor changes?

2022 PMC Test 4
Physics
Elimination Tool:

A) It increases

B) It decreases

C) It remains constant

D) Insufficient data

Your score is

The average score is 59%

Recognizing Repeated Questions and High-Weightage Topics

PMDC MDCAT solved past papers highlight frequently repeated questions and high-weightage chapters from past exams. Since MDCAT often tests similar concepts every year, these solved papers guide students to focus on important topics, revise effectively, and maximize their chances of scoring higher marks.

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Attempting solved PMDC MDCAT past papers under timed conditions helps students improve speed, accuracy, and overall time management. Reviewing the answer key after completing each paper allows candidates to correct mistakes, avoid negative marking, and become familiar with the exam environment. Regular practice also reduces stress and enhances performance.

Related: Attempt Online Mock Tests

Free PMDC MDCAT Solved Past Papers for Students

PLS Academy provides free PMDC MDCAT solved past papers with answer key to support structured and efficient MDCAT preparation. Along with solved papers, students can access mock tests and chapter-wise MCQs for full entry test practice. Using these resources consistently strengthens confidence, improves accuracy, and ensures students are fully ready for the MDCAT exam.

JazakAllah.