Balochistan BUMHS MDCAT Past Papers 2023

Created by Ali Durrani

MDCAT 2022 Past Paper 1

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1 / 195

A periplasmic space is:

2022 PMC Test 1
Biology
Elimination Tool:

A) The space between outer membrane and peptidoglycan layer of cell wall

B) The space between cell membrane and cell wall

C) The space within the cell

D) The space between phospholipld bilayer

2 / 195

Partly digested food is stored in which of the following in a cockroach?

2022 PMC Test 1
Biology
Elimination Tool:

A) Gizzard

B) Crop

C) Rectum

D) Hepatic cece

3 / 195

Diffused nervous system is present in which animal group?

2022 PMC Test 1
Biology
Elimination Tool:

A) Platyhelminthes

B) Annelida

C) Cnidaria

D) Porifera

4 / 195

If a heterozygous round pea plant is crossed with a wrinkled pea plant, what is the probability of homozygous phenotypes in the progeny?

2022 PMC Test 1
Biology
Elimination Tool:

A) 25%

B) 50%

C) 75%

D) 100%

5 / 195

The distal blind end of the malpighian tubules bathes freely in which of the following?

2022 PMC Test 1
Biology
Elimination Tool:

A) Digestive tract

B) Intestines

C) Coelom

D) Haemocoel

6 / 195

Linkage reduces the frequency of:

2022 PMC Test 1
Biology
Elimination Tool:

A) Recombinants or hybrids

B) Parental phenotypes

C) Dominant homozygotes

D) Recessive homozygotes

7 / 195

What is meant by enzyme denaturation?

2022 PMC Test 1
Biology
Elimination Tool:

A) An enzyme begin to catalyze reverse reaction

B) The enzyme loses its three dimensional structure

C) Enzyme stops its activity temporarily

D) Enzyme becomes apoenzyme

8 / 195

Descent with modification means:

2022 PMC Test 1
Biology
Elimination Tool:

A) All organisms show resemblance

B) Organisms do not show resemblances

C) The organisms show resemblances but later change

D) The organisms do not show resemblances but later become alike

9 / 195

During birth, which of following acts as a birth canal?

2022 PMC Test 1
Biology
Elimination Tool:

A) Oviduct

B) Ovary

C) Uterus

D) Vagina

10 / 195

What is the difference between facilitated transport and passive transport?

2022 PMC Test 1
Biology
Elimination Tool:

A) All facilitated transport is passive

B) All passive transport is facilitated

C) Facilitated transport requires membrane proteins

D) Passive transport is downhill whereas facilitated transport Is uphill

11 / 195

The humerus makes a baII and socket joint with the:

2022 PMC Test 1
Biology
Elimination Tool:

A) Clavicle

B) Sternum

C) Innominate

D) Scapula

12 / 195

Which one of the following carboxylic acid has an unpleasant smell?

2022 PMC Test 1
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Propionic acid

B) Formic acid

C) Butyric acid

D) Acetic acld

13 / 195

According to Darwin, a diverse life-form could arise from:

2022 PMC Test 1
Biology
Elimination Tool:

A) Common ancestor

B) Random mutation

C) The process of special creation

D) Inheritance of aquired characters

14 / 195

Inhibitors which block the enzyme by forming weak bonds are called?

2022 PMC Test 1
Biology
Elimination Tool:

A) Competitive inhibitors

B) Non-competitive inhibitors

C) Irreversible Inhibitors

D) Reversible inhibitors

15 / 195

The second meiotic division in oocyte is completed during?

2022 PMC Test 1
Biology
Elimination Tool:

A) When ovum is discharged from the ovary

B) Just before fertilization

C) Before the onset of menstruation

D) When the oocyte is fertilized by sperm

16 / 195

What is incorrect about plasma membranes?

2022 PMC Test 1
Biology
Cell Structure and Function
Elimination Tool:

A) They are involved in maintaining gradients between different compartments

B) They are involved In cell communication

C) They are Involved in the exchange of materials

D) They initiate nuclear division

17 / 195

Catalytic activity of an enzyme is restricted to its:

2022 PMC Test 1
Biology
Elimination Tool:

A) Active site

B) Catalytic site

C) Binding site

D) Allosteric site

18 / 195

When two moles of acetone are treated with a base, the product is?

2022 PMC Test 1
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) 3-hydroxy-2-methyl pentanone

B) 4-hydroxy-4 methyl-2-pentanone

C) 3-hydroxy butanone

D) 3-hydroxyl pentanal

19 / 195

The rate of an enzyme catalyzed reaction:

2022 PMC Test 1
Biology
Elimination Tool:

A) Can be reduced by inhibitors

B) Is constant under all conditions

C) Cannot be measured

D) Has no relation with substrate concentration

20 / 195

Nutrition to the developing egg in an ovary is provided by which of the following?

2022 PMC Test 1
Biology
Elimination Tool:

A) Germ cells

B) Egg mother cells

C) Follicular cells

D) Endometrial cells

21 / 195

Which of these compounds generates a feeling of well-being and inhibits the sensation of pain?

2022 PMC Test 1
Biology
Elimination Tool:

A) Cortisol

B) Adrenaline

C) Endorphin

D) Dopamine

22 / 195

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

2022 PMC Test 1
Biology
Elimination Tool:

A) Rough endoplasmic reticulum

B) Smooth endoplasmic reticulum

C) Golgi complex

D) Cell membrane

23 / 195

Carbon dioxide enters the leaf through:

2022 PMC Test 1
Biology
Gaseous Exchange
Gaseous Exchange in Plants
Elimination Tool:

A) Chloroplasts

B) Mesophyll

C) Thylakoids

D) Stomata

24 / 195

Which one of the following is a polymer of alpha-d glucose?

2022 PMC Test 1
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Cellulose

B) Glycogen

C) Insulin

D) Chitin

25 / 195

Which organelle synthesizes proteins for export or repackaging elsewhere?

2022 PMC Test 1
Biology
Elimination Tool:

A) Rough endoplasmic reticulom

B) Smooth endoplasmic reticulum

C) Free ribosomes

D) Golgi complex

26 / 195

Name the joint that allows the skull to rotate on your spine.

2022 PMC Test 1
Biology
Elimination Tool:

A) Hinge joint

B) Sliding joint

C) Fibrous joint

D) Pivotal Joint

27 / 195

It is the basic unit of biological information:

2022 PMC Test 1
Biology
Elimination Tool:

A) Trait

B) Gene

C) Genotype

D) Phenotype

28 / 195

Relatives who have children together have a much higher risk of having children affected by:

2022 PMC Test 1
Biology
Elimination Tool:

A) Environmental condition

B) Dominant condition

C) Recessive condition

D) Undetected condition

29 / 195

A bacterial cell envelope does not include:

2022 PMC Test 1
Biology
Elimination Tool:

A) Slime

B) Inner Membrane

C) Cell wall

D) Outer membrane

30 / 195

How can syphilis be transferred?

2022 PMC Test 1
Biology
Elimination Tool:

A) Sexual transmission

B) Fecal oral

C) Respiratory droplets

D) Injection

31 / 195

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

2022 PMC Test 1
Biology
Elimination Tool:

A) Mutation in bacterial genome

B) Denaturation of bacterial proteins

C) Inactivation of bacteria

D) Bacteria to become pathogen

32 / 195

If an α-helix of a polypeptide consist of 360 amino acids, how many turns does the helix contain?

2022 PMC Test 1
Biology
Chromosomes and DNA
The Chemical Nature of DNA
Elimination Tool:

A) 3.6 turns

B) 100 turns

C) 360 turns

D) The number of turns can not be determind

33 / 195

Carboxylic acids are obtained from fats and oils by:

2022 PMC Test 1
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

A) Oxidation

B) Reduction

C) Decarboxylalion

D) Hydrolysis

34 / 195

Cushings disease results because of excessive secretion of which hormone?

2022 PMC Test 1
Biology
Elimination Tool:

A) Noradrenaline

B) Testosterone

C) Cortisol

D) Adrenocorticotrophic hormone

35 / 195

Which of the following is not an IUPAC name of the compound?

2022 PMC Test 1
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

A) Methanoic acid

B) Ethanoic acid

C) Propanoic acid

D) Propionic acid

36 / 195

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

2022 PMC Test 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

A) Esterification

B) Nitrosation

C) Amide formation

D) Lucas Reaction

37 / 195

Hip joint is an example of:

2022 PMC Test 1
Biology
Elimination Tool:

A) Ball and socket joint

B) Hinge joint

C) Multistage joint

D) Cartilaginous Joints

38 / 195

Saccoglossus belongs to which group of invertebrates?

2022 PMC Test 1
Biology
Elimination Tool:

A) Porifera

B) Cnidaria

C) Echindermata

D) Hemichordates

39 / 195

The target cells of this hormone are present in kidney tubules:

2022 PMC Test 1
Biology
Elimination Tool:

A) Aldosterone

B) Corticosterone

C) Cortisol

D) Noradrenaline

40 / 195

Which of the following provides resistance against high temperature?

2022 PMC Test 1
Biology
Elimination Tool:

A) Cysts

B) Spores

C) Cell wall

D) Capsules

41 / 195

Which of the following part of the male reproductive system is located outside the testes?

2022 PMC Test 1
Biology
Elimination Tool:

A) Seminiferous tubules

B) Epididymis

C) Efferent ducts

D) Urinogenital duct

42 / 195

The protoplast of a plant cell does not include:

2022 PMC Test 1
Biology
Elimination Tool:

A) Cell wall

B) Cell membrane

C) Vacuoles

D) Nucleus

43 / 195

In which part of the nervous system will you find Schwann cells?

2022 PMC Test 1
Biology
Elimination Tool:

A) CentraI nervous system

B) Peripheral nervous system

C) Limbic system

D) Sympathetic nervous system

44 / 195

The salivary glands are present in:

2022 PMC Test 1
Biology
Elimination Tool:

A) Stomach

B) Pharynx

C) Buccal cavity

D) Pancreas

45 / 195

Which of the following is true about glucose and fructose?

2022 PMC Test 1
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Have the same structural formula

B) Have different molecular formula

C) They are building blocks of sucrose

D) They are aldohexoses

46 / 195

What is correct about triploblastic animals?

2022 PMC Test 1
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

47 / 195

When alpha glucose is condensed with beta fructose, which of the following can be produced?

2022 PMC Test 1
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Maltose

B) Lactose

C) Water

D) Peptide Bond

48 / 195

A new C-C bond formation is possible with:

2022 PMC Test 1
Chemistry
Hydrocarbons
Elimination Tool:

A) Clemmensen reaction

B) Nitration reaction

C) Friedel craft reaction

D) Saturation reaction

49 / 195

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

2022 PMC Test 1
Biology
Elimination Tool:

A) Smooth endoplasmic reticulum

B) Rough endoplasmic reticul•rn

C) Mitochondria

D) Cell membrane

50 / 195

Exceptionally, the positive hydrostatic pressure generated by root pressure is about how many Kpa?

2022 PMC Test 1
Biology
Elimination Tool:

A) 600

B) 700

C) 800

D) 900

51 / 195

The end products of aerobic respiration are:

2022 PMC Test 1
Biology
Bioenergetics
Respiration Mechanism – Glycolysis to Electron Transport Chain
Elimination Tool:

A) Sugar and oxygen

B) Water and energy

C) Carbon dioxide, water, and energy

D) Carbon dioxide and energy

52 / 195

Which of the following is a respiratory fuel?

2022 PMC Test 1
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Sucrose

B) Glucose

C) Galactose

D) Mannose

53 / 195

Photosythetic bacteria have the ability to release:

2022 PMC Test 1
Biology
Elimination Tool:

A) Sulphur

B) Oxygen

C) Hydrogen

D) Carbon dioxide

54 / 195

Which cells synthesize testosterone?

2022 PMC Test 1
Biology
Elimination Tool:

A) Adrenal medulla of adrenal glands

B) Adrenal cortex of adrenal glands

C) Interstitial cells of testis

D) Graffian follicle

55 / 195

Neurilemma cells are also known as?

2022 PMC Test 1
Biology
Elimination Tool:

A) Photoreceptors

B) Odontoblasts

C) Ganglion

D) Schwann cells

56 / 195

Metabolism is about _____.

2022 PMC Test 1
Biology
Bioenergetics
Introduction to Photosynthesis
Elimination Tool:

A) All chemical reactions taking place in a cell

B) All chemical reactions in prokaryotic bodies

C) All chemical reactions In eukaryotic bodies

D) All chemical reactions in an industry

57 / 195

Is it possible to have a non-zero number of forces acting on an object (of non-zero mass), yet the object doesn’t accelerate?

2022 PMC Test 1
Physics
Elimination Tool:

A) No

B) Yes

C) Not necessarily

D) Not enough information

58 / 195

Which of the following is the most abundant organic molecule in the human body?

2022 PMC Test 1
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Enzymes

B) Lipids

C) Water

D) Proteins

59 / 195

Lysosomes originate from which cell organelle?

2022 PMC Test 1
Biology
Elimination Tool:

A) Rough endoplasmic reticulum

B) Smooth endoplasmic reticulum

C) Golgi apparatus

D) Cell membrane

60 / 195

In terrestrial vertebrates, the gill slits are modified to form:

2022 PMC Test 1
Biology
Elimination Tool:

A) Ear muscles

B) Eustachian tube

C) Larynx

D) Lungs

61 / 195

Which type of joints are connected by dense, tough, connective tissue that is rich in collagen fibers?

2022 PMC Test 1
Biology
Elimination Tool:

A) Fibrous joints

B) Cartilaginous joints

C) Synovial Joints

D) Gomphosis joints

62 / 195

Where are Sertoli cells present in the male reproductive system?

2022 PMC Test 1
Biology
Elimination Tool:

A) In germinal epithelium

B) In seminiferous tubules

C) In seminal vesicle

D) In prostate gland

63 / 195

AcetaIs are:

2022 PMC Test 1
Chemistry
Aldehydes and Ketones
Elimination Tool:

A) Diethers

B) Aldehydes

C) Carboxylic acid

D) Ketones

64 / 195

Hunger contractions are of which type?

2022 PMC Test 1
Biology
Elimination Tool:

A) Antiperistalsis

B) Peristalsis

C) Voluntary

D) Involuntary

65 / 195

Survival of the fittest depends upon:

2022 PMC Test 1
Biology
Elimination Tool:

A) Acquired characters of the organisms

B) Genetic drift

C) Depends in part on the hereditary consulation of the surviving individuals

D) Natural catastrophes

66 / 195

The percentage of CO2 carried as carboxyhemoglobin is?

2022 PMC Test 1
Biology
Elimination Tool:

A) 10

B) 15

C) 23

D) 28

67 / 195

Insulin consists of two polypeptides containing 21 amino acids and 30 amino acids each. How many peptide bonds does the insuline contain?

2022 PMC Test 1
Biology
Biological Molecules
Proteins
Elimination Tool:

A) 51

B) 50

C) 49

D) 2

68 / 195

An activated enzyme consisting of a polypeptide chain and a cofactor is called?

2022 PMC Test 1
Biology
Enzymes
Elimination Tool:

A) Apoenzyme

B) Holoenzyme

C) Conjugated enzyme

D) Hybrid enzyme

69 / 195

The movement of water molecules from a region of higher water potential to a region of lower water potential through a semi-permeable membrane is referred to:

2022 PMC Test 1
Biology
Elimination Tool:

A) Active transport

B) Osmosis

C) Diffusion

D) Photosynthesis

70 / 195

Which of the following is a dominant x-linked trait in human?

2022 PMC Test 1
Biology
Elimination Tool:

A) Testicular feminization

B) Haemophllia

C) Colorblindness

D) Hypophosphatemic rickets

71 / 195

Which of the following is a typical symptom of AIDS?

2022 PMC Test 1
Biology
Reproduction
Sexually Transmitted Diseases
Elimination Tool:

A) Sudden weight loss

B) Active immune function

C) Vision impairment

D) Kaposi's sarcoma, a rare form of skin cancer

72 / 195

What is the ratio of homozygous dominant to homozygous recessive genotypes in F2 generation of monohybrid cross?

2022 PMC Test 1
Biology
Elimination Tool:

A) 1:1

B) 1:2

C) 1:3

D) 3:1

73 / 195

Find the correctly spelt word:

2022 PMC Test 1
English
Key Vocabulary
Elimination Tool:

A) Sovereign

B) Soveregn

C) Soverean

D) Soverein

74 / 195

The market is nearer to them than _____.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) We

B) Ourself

C) Us

D) Ourselves

75 / 195

He made ____ a story when he was late for the first class, but the teacher didn’t believe him.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) On

B) Up

C) Off

D) Under

76 / 195

Which of the following sentences is correct?

2022 PMC Test 1
English
Tenses and Sentence Structure
Elimination Tool:

A) Speak up! I cant hear you because your dog is making much noise.

B) Speak up! I cant hear you because your dog is making much too noise.

C) Speak up! I can't hear you because your dog is making too much noise.

D) Speak up! I cant hear you because your dog is making much enough noise.

77 / 195

The plane wasn’t allowed to take ____ because of bad weather conditions.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) On

B) Up

C) Off

D) To

78 / 195

Take your warm jacket with you ____ it gets breezy.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) Although

B) In case

C) Rather

D) Until

79 / 195

The man _____ wallet was stolen, called the police.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) Who

B) Whose

C) Whom

D) Which

80 / 195

Viruses usually are limited to specific hosts because:

2022 PMC Test 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) They contain either DNA or RNA

B) They contain protein

C) They are specific to cell receptors

D) They are capable to divide with in the host body

81 / 195

Which one is correct?

2022 PMC Test 1
English
Grammar and Punctuation
Elimination Tool:

A) I'm just passing away, Ali. Thought I might run into Ahmed here.

B) I'm just passing through, Ali. Thought I might run into Ahmed here.

C) l'm just passing on, Ali. Thought I might run Into Ahmed here.

D) I'm just passing along, Ali. Thought I might run into Ahmed here.

82 / 195

The plane will stay on the runway ____ five minutes.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) For

B) In

C) Below

D) On

83 / 195

Choose the sentence in the future tense:

2022 PMC Test 1
English
Tenses and Sentence Structure
Elimination Tool:

A) He went to school yesterday

B) He loves apples

C) I will go to the market

D) He is fighting with John

84 / 195

Choose the correct spelling of the word:

2022 PMC Test 1
English
Key Vocabulary
Elimination Tool:

A) lgnomeny

B) Ignominy

C) lgnomminy

D) Ignomny

85 / 195

Which one is not a past tense sentence?

2022 PMC Test 1
English
Tenses and Sentence Structure
Elimination Tool:

A) She finished all the exercices

B) Dr Smith healed the patient

C) Michael studied hard all year

D) He will have eaten lunch

86 / 195

I like this shirt a lot, but the _______ are too short.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) Buttons

B) Heels

C) Collars

D) Sleeves

87 / 195

There will be a rush for the seats when the train _______.

2022 PMC Test 1
English
Grammar and Punctuation
Elimination Tool:

A) Will arrive

B) Arrived

C) Is arriving

D) Arrives

88 / 195

Human immunodeficiency virus attack which of the following cells for its multiplication?

2022 PMC Test 1
Biology
Transport
Elimination Tool:

A) Neutrophils

B) Macrophages

C) Cytotoxic T cells

D) Helper T cells

89 / 195

Choose the correct spelling of the word:

2022 PMC Test 1
English
Key Vocabulary
Elimination Tool:

A) Exhebition

B) Exhibition

C) Exhabation

D) Exehation

90 / 195

Which one is correct?

2022 PMC Test 1
English
Grammar and Punctuation
Elimination Tool:

A) She bent down enough permit her to stoop and pick up her purse.

B) She bent down enough to permit her to stoop and pick up her purse.

C) She bent up enough to permit her to stoop and pick up her purse.

D) She bent down enough to permit her to stop and pick up her purse.

91 / 195

Choose the correct spelling of the word:

2022 PMC Test 1
English
Key Vocabulary
Elimination Tool:

A) Annehilate

B) Anihilate

C) Annihilate

D) Anehilate

92 / 195

You have to make sure the knife is ____ before you cut the vegetables.

2022 PMC Test 1
English
Fill in the blank
Elimination Tool:

A) Flat

B) Sharp

C) Sliced

D) Thick

93 / 195

Energy emitted in the form of visible radiation is called:

2022 PMC Test 1
Physics
Electromagnetic Waves
Elimination Tool:

A) Light energy

B) Sound energy

C) Tidal energy

D) Geothermal energy

94 / 195

The horizontal range is 4√3 times of the maximum height. Its angle of projection is:

2022 PMC Test 1
Physics
Elimination Tool:

A) 90 degrees

B) 45 degrees

C) 60 degrees

D) 30 degrees

95 / 195

Two bodies in contact experience forces in:

2022 PMC Test 1
Physics
Forces and Motion
Elimination Tool:

A) Same direction

B) Opposite directions

C) Perpendicular directions

D) five different direction

96 / 195

AC generator consists of __ poles:

2022 PMC Test 1
Physics
Alternating Current
A.C. Circuits
Elimination Tool:

A) 0

B) 1

C) 2

D) 3

97 / 195

The specific heat of a gas in adiabatic process is:

2022 PMC Test 1
Physics
Heat and Thermodynamics
Elimination Tool:

A) Zero

B) Infinite

C) Negative

D) Remains constant

98 / 195

The horse pulling the wagon is able to move forward because of:

2022 PMC Test 1
Physics
Forces and Motion
Elimination Tool:

A) The force exerted by the horse on the ground

B) The force exerted by the ground on the horse

C) The force exerted by the wagon on the horse

D) The force exerted by the horse on the wagon

99 / 195

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

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) Electric potential

B) Power

C) K.E

D) Work done

100 / 195

Statement (A) The Government has imported large quantities of sugar as per trade agreements with other countries. Statement (B) The prices of sugar in the domestic market have fallen sharply in recent months.

2022 PMC Test 1
Logical Reasoning
Cause and Effect
Elimination Tool:

A) Statement A is the cause and statement B Is its effect.

B) Statement B is the cause and statement A is its effect

C) Both statements are independent causes.

D) Both statements are effects of independent causes.

101 / 195

Wave particle duality does not describe :

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) Momentum

B) Frequency

C) Mass

D) Energy

102 / 195

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

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) λ

B) λ/2

C) λ/4

D) λ/6

103 / 195

Ohm’s law is applicable to

2022 PMC Test 1
Physics
Current Electricity
Ohms Law
Elimination Tool:

A) Semiconductors

B) Vacuum tubes

C) Carbon resistors

D) Conductors

104 / 195

X-ray is the reverse process of:

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) Pair production

B) Compton effect

C) Photoelectric effect

D) Annihilation

105 / 195

The force per unit charge is called:

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) Electric Force

B) Electric Flux

C) Electric Potential

D) Electric Intensity

106 / 195

In frequency modulation, which of the following property of the original signal does not change:

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) Pitch

B) Frequency

C) Wavelength

D) Amplitude

107 / 195

Water waves are examples of:

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) Transverse waves

B) Progressive waves

C) Longitudinal waves

D) Compressional waves

108 / 195

If the temperature of Sun is doubled, heat energy reached on earth become:

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) Three Times

B) Sixteen Times

C) Four Times

D) Same

109 / 195

The SI unit of charge is:

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) Newton

B) Coulomb

C) Pascal

D) Ampere

110 / 195

The area of circle is measured with the help of:

2022 PMC Test 1
Physics
Circular Motion & Momentum
Elimination Tool:

A) Angular displacement

B) Angular velocity

C) Angular acceleration

D) Time

111 / 195

In series circuit, current remains?

2022 PMC Test 1
Physics
Current Electricity
Electric Current
Elimination Tool:

A) Same

B) Different

C) Variable

D) Zero

112 / 195

A body at temperature T radiates heat according to relation:

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) T2

B) T4

C) T-4

D) T-3

113 / 195

In a projectile motion, velocity at maximum height is:

2022 PMC Test 1
Physics
Elimination Tool:

A) usinθ

B) ucosθ

C) utanθ

D) ucotθ

114 / 195

Conservation of momentum is always applicable in a:

2022 PMC Test 1
Physics
Forces and Motion
Elimination Tool:

A) Open system

B) Closed system

C) Isolated system

D) Any system

115 / 195

The word radiation means:

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) To propagate

B) stay at rest

C) Mass less objects

D) Charged object

116 / 195

Which of the following rectifier uses wheatstone bridge to rectify signal:

2022 PMC Test 1
Physics
Electronics
Rectification
Elimination Tool:

A) Half wave

B) Full wave

C) Bridge

D) Both half and full wave

117 / 195

Angular displacement becomes linear for ____ arc lengths:

2022 PMC Test 1
Physics
Circular Motion & Momentum
Elimination Tool:

A) Short

B) Circular

C) Curved

D) Large

118 / 195

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

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) Absolute electric potential

B) Change in K.E

C) Change in potential energy

D) Electric intensity

119 / 195

The direction associated with angular displacement is given by :

2022 PMC Test 1
Physics
Circular Motion & Momentum
Elimination Tool:

A) Left-hand rule

B) Head to tail rule

C) Right-hand rule

D) Fleming's rule

120 / 195

For two down quarks total charge is:

2022 PMC Test 1
Physics
Nuclear Physics
Radioactivity
Elimination Tool:

A) -2/3 e

B) -2 e

C) -1 e

D) -1/2 e

121 / 195

According to mechanical energy conservation:

2022 PMC Test 1
Physics
Work, Power & Energy
Elimination Tool:

A) KE remains constant

B) PE remains constant

C) KE+ PE = constant

D) Gravitatlonal energy is constant

122 / 195

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

2022 PMC Test 1
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

123 / 195

Wave nature and particle nature of photon is linked by:

2022 PMC Test 1
Physics
Dawn of Modern Physics
Elimination Tool:

A) Rest mass of photon

B) Wavelength of photon

C) Light speed

D) Momentum of photon

124 / 195

If the water falls from a dam on the turbine wheel 19.6 m below, then the velocity of water at the turbine is:

2022 PMC Test 1
Physics
Forces and Motion
Elimination Tool:

A) 9.8 m/s

B) 19.6 m/s

C) 32.8 m/s

D) 98.0 m/s

125 / 195

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

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) 90o

B) 60o

C) 30o

D) 0o

126 / 195

In amplitude modulation what remains the same:

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) Frequency of the wave

B) Amplitude of the wave

C) Wavelength of the wave

D) Intensity of waves

127 / 195

The flow of charges produce:

2022 PMC Test 1
Physics
Current Electricity
Electric Current
Elimination Tool:

A) Current only

B) Magnetic field only

C) Electric field only

D) All of the above

128 / 195

Tesla is unit of ____ per unit area:

2022 PMC Test 1
Physics
Magnetism and Electromagnetic Induction
Magnetic Flux and Flux Density
Elimination Tool:

A) Magnetic field lines

B) Electric field lines

C) Optical field lines

D) Gravitational field lines

129 / 195

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

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) An electric field

B) A gravitational field

C) Thermal field

D) Closed field

130 / 195

Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours?

2022 PMC Test 1
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) 1 kWh

B) 1.5 kWh

C) 2 kWh

D) 3 kWh

131 / 195

In parallel voltage remains?

2022 PMC Test 1
Physics
Current Electricity
Electomotive Force and Potential Difference
Elimination Tool:

A) Same

B) Different

C) Variable

D) Zero

132 / 195

Basically a potentiometer is a device for:

2022 PMC Test 1
Physics
Current Electricity
Wheatstone Bridge and Potentiometer
Elimination Tool:

A) Comparing two voltage

B) Measuring current

C) Comparing two currents

D) Measuring voltage

133 / 195

Work done by the spring force in a time interval cannot be:

2022 PMC Test 1
Physics
Work, Power & Energy
Elimination Tool:

A) Positive

B) Negative

C) Zero

D) Constant

134 / 195

Which of the following statements is true?

2022 PMC Test 1
Physics
Current Electricity
Electrical Power and Power Dissipation in Resistors
Elimination Tool:

A) Power is proportional to voltage only

B) Power is proportional to current only

C) Power is neither proportional to voltage nor to the current

D) Power is proportional to both the voltage and current

135 / 195

The device used to store a charge is called:

2022 PMC Test 1
Physics
Electrostatics
Elimination Tool:

A) Electric box

B) Capacitor

C) Inductor

D) Transistor

136 / 195

Water waves are:

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) Longitudinal waves

B) Complex waves

C) Transverse waves

D) Both longitudinal and transverse wave

137 / 195

Doppler effect refers to:

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) The change in wave frequency

B) The change in acceleration

C) The change in momentum

D) None of these options are correct

138 / 195

For a monatomic ideal gas of 3 mole, Cp -Cv is:

2022 PMC Test 1
Physics
Heat and Thermodynamics
Elimination Tool:

A) R/3

B) 3/2 R

C) 2R

D) 3R

139 / 195

The magnetic flux is a _______ quantity:

2022 PMC Test 1
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A) Scalar

B) Vector

C) Vector In some cases

D) Scalar In some cases

140 / 195

AC generator cannot generate:

2022 PMC Test 1
Physics
Alternating Current
A.C. Circuits
Alternating Voltage and Current
Elimination Tool:

A) AC voltage

B) High AC voltage

C) DC voltage

D) Low AC voltage

141 / 195

The emf induced in a circuit according to Faraday’s law depends on the

2022 PMC Test 1
Physics
Magnetism and Electromagnetic Induction
Faradays and Lenz Law and Induced EMF
Elimination Tool:

A) Maximum magnetic flux

B) Initial magnetic flux

C) Change in magnetic flux

D) The rate of change of magnetic flux

142 / 195

While moving a boat forward we have to:

2022 PMC Test 1
Physics
Forces and Motion
Elimination Tool:

A) Push water forward

B) Push water backward

C) Keeps the water steady

D) Keeps the water undisturbed

143 / 195

Power loss in the actual transformer is due to:

2022 PMC Test 1
Physics
Work, Power & Energy
Elimination Tool:

A) Back emf

B) Strong magnetic field

C) Eddy currents

D) Weak magnetic field

144 / 195

The direct exposure of sun light where ozone layer is depleted will cause:

2022 PMC Test 1
Physics
Electromagnetic Waves
Elimination Tool:

A) Skin cancer

B) Sugar

C) Corona

D) Sun burn

145 / 195

AC generators are similar to :

2022 PMC Test 1
Physics
Alternating Current
A.C. Circuits
Alternating Voltage and Current
Elimination Tool:

A) Transformers

B) Inductors

C) Capacitors

D) Motor

146 / 195

Pitch is ___ proportional to frequency.

2022 PMC Test 1
Physics
Wave Motion and Sound
Elimination Tool:

A) Directly

B) Inversely

C) Exponentially

D) No effect

147 / 195

Molar heat capacity at constant pressure is given by:

2022 PMC Test 1
Physics
Heat and Thermodynamics
Elimination Tool:

A) dQ/dV

B) dQ/dT

C) dU/dT

D) dU/dV

148 / 195

Potential energy of a spring at the equilibrium position is:

2022 PMC Test 1
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

A) Zero

B) Infinite

C) Maximum

D) Information is Insufficient

149 / 195

Arrhenius equation is an equation of:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Curve

B) Parabola

C) Straight line

D) Hyperbola

150 / 195

What is the advantage of using a platinaum foil in the standard hydrogen electrode formation?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) It acts as catalyst

B) It does not support the electrode

C) It provides a large surface area

D) It decreases the time duration for measurement

151 / 195

Coinage metals belong to which group of the periodic table?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) 1B

B) 2B

C) 3B

D) 3A

152 / 195

Position of atoms in molecular crystals can be determined by:

2022 PMC Test 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) X-rays analysis

B) Spectroscopic analysis

C) Spectrometric analysis

D) Combustlon analysis

153 / 195

Which principle contradicts the Bohr’s model?

2022 PMC Test 1
Chemistry
Atomic Structure
Elimination Tool:

A) Planck quantum theory

B) Hunds rule

C) Pauli's exclusion principle

D) Heisenberg's uncertainty principle

154 / 195

The solid which is hardest of all types is _____?

2022 PMC Test 1
Chemistry
Chemical Bonding
Elimination Tool:

A) Covalent solids

B) Molecular solids

C) Ionic solids

D) Metallic solids

155 / 195

NaCl can be purified by passing gaseous ________.

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Sulfuric acid

B) Chlorine

C) Ammonia

D) Hydrogen Chloride

156 / 195

What shapes does diamond and NaCl unit cells possess?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) NaCl monoclinic and diamond cubic

B) NaCl cubic and diamond rhombic

C) Both are cubic

D) Both are rectangular

157 / 195

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

2022 PMC Test 1
Chemistry
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)

158 / 195

Cu ion takes up 2 electrons to give an electrode potential value of:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) +0.76 v

B) -0.32 v

C) +0.34 v

D) -0.34 v

159 / 195

Conversion of straight chain hydrocarbons into branched chain is called as __________.

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Reforming

B) Cracking

C) lsomerization

D) Decomposition

160 / 195

More the ionization potential, the less will be the ability to form:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Cations

B) Anions

C) Radicals

D) Free radicals

161 / 195

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

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Kerosene oil

B) Lubricating oil

C) Gasoline

D) Heavy Oil

162 / 195

Activation energy for forward and backward reaction is always:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Same

B) Different

C) Reciprocal of each other

D) Higher for forward reaction

163 / 195

Intermolecular forces between gas molecules are significant at:

2022 PMC Test 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) High temperature and low pressure

B) Low temperature and high pressure

C) At standard temperature and pressure

D) At high temperature and high pressure

164 / 195

Which of the following atomic orbital has lowest energy?

2022 PMC Test 1
Chemistry
Atomic Structure
Elimination Tool:

A) 1s

B) 2p

C) 3s

D) 4p

165 / 195

Which one of the following is a strong nucleophile?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Cl-

B) Br-

C) OH-

D) HSO4-

166 / 195

2-chlorobutane belongs to:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Primary Alkyl Halides

B) Secondary Alkyl Halides

C) Tertiary Alkyl Halides

D) Quarternary Alkyl Halides

167 / 195

When Hydrogen Chloride gas passes through saturated brine, it increases the concentration of:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Sodium ion

B) Hydrogen ion

C) Calcium ion

D) Chloride ion

168 / 195

The product of volume and pressure of fixed amount of a gas at constant temperature remains same for initial and final state of a gaseous system. This statement corresponds to:

2022 PMC Test 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Avogadro's Law

B) Dalton's law

C) Boyle's law

D) Graham's law

169 / 195

The correct value for the enthalpy of formation of CO is:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) -110kJ/mol

B) -210kJ/mol

C) +110kJ/mol

D) +210kJ/mol

170 / 195

Which of the following has anti-knocking properties?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) (CH3CH2)4Sn

B) (CH3CH2)4Pb

C) (CH3CH2)4Ge

D) (CH3CH2)4Si

171 / 195

How many hybrdized orbitals are formed by intermixing of 4 atomic orbitals?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) 2

B) 4

C) 8

D) 6

172 / 195

Which statement about the Group VIA elements is false?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) All have an outer electronic configuration of ns2np4

B) The electronegativity of Group VIA elements decreases as one goes down the group

C) Most are found in sulfide deposits

D) Oxygen has the highest boiling point and melting point

173 / 195

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

2022 PMC Test 1
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

174 / 195

Galvanised Iron sheets have a coating of ___________.

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Tin

B) Silver

C) Zinc

D) Chromium

175 / 195

An element that forms interstitial compounds is ______.

2022 PMC Test 1
Chemistry
Elimination Tool:

A) C

B) F

C) Cs

D) Rb

176 / 195

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

2022 PMC Test 1
Chemistry
Chemical Bonding
Elimination Tool:

A) H2O

B) H2S

C) H2Se

D) H2Te

177 / 195

All alkaline earth metals react with nitrogen to give:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Nitrates

B) Nitrides

C) Nitriles

D) Amides

178 / 195

Which of the following orbital is closer to the nucleus?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) 3d

B) 2p

C) 3p

D) 3s

179 / 195

The reaction of a weak acid and its salt with a strong base produces:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Basic buffer

B) A buffer with pH <7

C) Neutral buffer

D) Amphoteric buffer

180 / 195

The limiting reactant in a particular chemical reaction is the one which:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Is consumed later in the reaction

B) Is present in excess in the reaction

C) Gives the least amount of product

D) Gives the largest amount of product

181 / 195

In the structure of diamond, each carbon atom is ____ hybridized?

2022 PMC Test 1
Chemistry
Chemical Bonding
Elimination Tool:

A) sp3

B) sp2

C) sp

D) dsp2

182 / 195

Which of the following process gives Benzenesulfonic acid from benzene?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Ozonolysis

B) Sulphonation

C) Nitration

D) Halogenation

183 / 195

What is the structure of benzene?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Regular, flat planar hexagon

B) Regular, 3D hexagon

C) Regular, flat planar octagon

D) Regular, planar pentagon

184 / 195

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

2022 PMC Test 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) Theoretical yield

B) Actual amount

C) Limiting amount

D) Stoichiometric amount

185 / 195

According to the kinetic molecular theory, collisions between the gas molecues:

2022 PMC Test 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

A) Are elastic

B) Are non-elastic

C) Increase energy

D) Decrease energy

186 / 195

If bond energy of C-CI is 346 kJ/mol. The bond enegy of C-Br should be:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) 290 kJ/mol

B) 390 kJ/mol

C) 490 kJ/mol

D) 590 KJ/mol

187 / 195

Benzene is less reactive than its corresponding alkene due to:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) More unsaturation

B) More saturation

C) Less electronegativlty difference between C and H atom

D) Delocalization of π electrons

188 / 195

How many unpaired electrons are there in the Nitrogen atom?

2022 PMC Test 1
Chemistry
s and p Block Elements
Elimination Tool:

A) 3

B) 4

C) 5

D) 6

189 / 195

The valence shell electronic configuration of Ca is Ar[ ]:

2022 PMC Test 1
Chemistry
Atomic Structure
Elimination Tool:

A) 1s2

B) 2s2

C) 3s2

D) 4s2

190 / 195

The pi bonds surrounding the sigma bonds in an ethyne molecule are in the shape of:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Linear

B) Cylindrical

C) Trigonal Planar

D) Tetrahedral

191 / 195

Which of the following is an oxonium ion?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) NH4+

B) PH4+

C) RSH2+

D) H3O+

192 / 195

Which compound gives the photochemical smog a brownish color?

2022 PMC Test 1
Chemistry
Elimination Tool:

A) NO

B) HNO2

C) NO2

D) N2O4

193 / 195

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

2022 PMC Test 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 1.42 g

B) 2.22 g

C) 3.2 g

D) 2.85 g

194 / 195

Halogenation of alkane in sunlight is an example of:

2022 PMC Test 1
Chemistry
Elimination Tool:

A) Addition reaction

B) Elimination reaction

C) Substitution reaction

D) Rearrangment reaction

195 / 195

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

2022 PMC Test 1
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

A) 148 g

B) 138 g

C) 157 g

D) 166 g

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