MDCAT 2022 Past Papers 5

Created by Ali Durrani

MDCAT 2022 Past Paper 5

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1 / 194

Cholesterol is not present in ________

2022 PMC Test 5
Biology
Elimination Tool:

A) milk

B) egg white

C) egg yolk

D) fish

2 / 194

Lungs are spongy due to the presence of million of?

2022 PMC Test 5
Biology
Elimination Tool:

A) Alveoli

B) Parabronchi

C) Air sacs

D) Bronchioles

3 / 194

One ATP molecule contains 1% of total energy of glucose. In anaerobic reactions how much energy of glucose is released as ATP:

2022 PMC Test 5
Biology
Elimination Tool:

A) 1%

B) 2%

C) 36%

D) 38%

4 / 194

Viruses are able to recognize the host surface by means of their:

2022 PMC Test 5
Biology
Elimination Tool:

A) Capsid

B) Spikes

C) DNA

D) RNA

5 / 194

Most likely people who perform tough manual work can develop

2022 PMC Test 5
Biology
Elimination Tool:

A) thick subcutaneous fat in their palms

B) greater quantity of melanin all over the body.

C) Strong calf muscles

D) certain aquired characters

6 / 194

Which of the following part of sperm cell penetrates into the ovum during fertilization?

2022 PMC Test 5
Biology
Elimination Tool:

A) Cytoplasm

B) Nucleus

C) Acrosome

D) Mitochondria

7 / 194

When two amino acids such as glycine and alanine are variously arranged to make dipeptides. How many different dipeptide combinations can be produced?

2022 PMC Test 5
Biology
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

8 / 194

Which one of the following can easily pass through plasma membrane

2022 PMC Test 5
Biology
Elimination Tool:

A) Fat soluble substances

B) Proteins

C) Highly charged materials

D) Polysacchrides

9 / 194

Iliac vein from the lower limb’s unite to form:

2022 PMC Test 5
Biology
Elimination Tool:

A) Vena cava

B) Renal vein

C) Hepatic portal vein

D) Cardiac vein

10 / 194

Golgi complex was discovered by which scientist?

2022 PMC Test 5
Biology
Elimination Tool:

A) Robert Brown

B) Camillo Golgi

C) De Duve

D) Robert Hooke

11 / 194

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

2022 PMC Test 5
Biology
Elimination Tool:

A) Cellulose, lignin and xylem

B) Cellulose, hemicellulose and lignin

C) Cellulose only

D) Cellulose hemicellulose and pectin

12 / 194

According to Darwin, the most critical factor for evolution Is:

2022 PMC Test 5
Biology
Elimination Tool:

A) Migration

B) Mutation

C) Natural selection

D) Genetic drift

13 / 194

Plasma proteins are synthesized In:

2022 PMC Test 5
Biology
Elimination Tool:

A) Gall bladder

B) Liver

C) Spleen

D) Skin

14 / 194

Which of the following is the wildtype phenotype of eye color in Drosophila

2022 PMC Test 5
Biology
Elimination Tool:

A) Black eyes

B) White eyes

C) Light red eyes

D) Bright red eyes

15 / 194

How many hormones does the Islets of Langerhans secrete?

2022 PMC Test 5
Biology
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

16 / 194

A bacterial cell envelope does not include :

2022 PMC Test 5
Biology
Elimination Tool:

A) Slime

B) Capsule

C) Cell wall

D) Cell membrane

17 / 194

Which of the following disease has greater incidence in human male than female?

2022 PMC Test 5
Biology
Elimination Tool:

A) Haemophilia

B) Cystic fibrosis

C) Thalassemia

D) Cretinism

18 / 194

The anterior part of cerebral hemisphere located in the cerebrum is classified as

2022 PMC Test 5
Biology
Elimination Tool:

A) Ganglion bulbs

B) Axon bulbs

C) Dendrite bulbs

D) Olfactory bulbs

19 / 194

Which of the following is milk sugar?

2022 PMC Test 5
Biology
Elimination Tool:

A) Sucrose

B) Lactose

C) Maltose

D) Starch

20 / 194

The skeletal system consists of:

2022 PMC Test 5
Biology
Elimination Tool:

A) All bones in body

B) All muscles and tendons

C) All body organs both soft and hard tissues

D) All the bones in the body and tissues that connect them

21 / 194

Blood group O negative can receive:

2022 PMC Test 5
Biology
Elimination Tool:

A) Blood group A positive

B) Blood group B positive

C) Blood group O negative

D) Any of the positive blood group

22 / 194

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

2022 PMC Test 5
Biology
Elimination Tool:

A) Porifera

B) Cnidarla

C) Arthropoda

D) Mollusca

23 / 194

Which of the following part of enzyme recognize the substrate?

2022 PMC Test 5
Biology
Elimination Tool:

A) Binding site

B) Active site

C) Catalytic site

D) Overall structure of an enzyme

24 / 194

In reproduction, semen refers to which of the following?

2022 PMC Test 5
Biology
Elimination Tool:

A) Fluid and sperms

B) Blood cells and plasma

C) Blood and sperms

D) Egg and sperms

25 / 194

Hydrogen bonding produces a regular coiled arrangement in proteins called:

2022 PMC Test 5
Biology
Elimination Tool:

A) α-hellx

B) β-hellx

C) Tertiary conformation

D) Quaternary structure

26 / 194

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

2022 PMC Test 5
Biology
Elimination Tool:

A) Hydrophoblc 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

27 / 194

Which of the following Is correct about globular proteins?

2022 PMC Test 5
Biology
Elimination Tool:

A) Insoluble In water

B) Elastic in nature

C) Can be crystalized

D) their final structure is secondary

28 / 194

The enzyme substrate complex is formed in which part of the enzyme molecule?

2022 PMC Test 5
Biology
Elimination Tool:

A) Binding site

B) Allosteric site

C) Catalytic site

D) On all over the surface of enzyme

29 / 194

End of menstrual cycle in old age is called?

2022 PMC Test 5
Biology
Elimination Tool:

A) Menarche

B) Abortion

C) Menopause

D) Telophase

30 / 194

Which of the following is second largest part of the brain?

2022 PMC Test 5
Biology
Elimination Tool:

A) Cerebellum

B) Cerebrum

C) Hypothalamus

D) Thalamus

31 / 194

What is the ratio of homozygous to heterozygous individuals in F2 generation of monohybrid cross?

2022 PMC Test 5
Biology
Elimination Tool:

A) 1 : 1

B) 1 : 2

C) 1 : 3

D) 3 : 1

32 / 194

Which of the following is the number of chromosomes in human zygote?

2022 PMC Test 5
Biology
Elimination Tool:

A) n

B) 2n

C) 3n

D) 4n

33 / 194

The genetic Information for a specific character Is determined by

2022 PMC Test 5
Biology
Elimination Tool:

A) Genome

B) Transcription

C) Gene

D) Trait

34 / 194

Which of the following is the final electron acceptor in the respiratory electron transport chain?

2022 PMC Test 5
Biology
Elimination Tool:

A) NADP+

B) Molecular oxygen

C) PS-I

D) PS-II

35 / 194

Which of the following bacteria are also called recyclers of nature?

2022 PMC Test 5
Biology
Elimination Tool:

A) Pathogenic bacteria

B) Parasitic bacteria

C) Photosynthetic bacteria

D) Saprotrophic bacteria

36 / 194

Neil Investigation on photosynthesis was carried on :

2022 PMC Test 5
Biology
Elimination Tool:

A) Cyanobacteria

B) Angiosperms

C) Algae

D) Bacteria

37 / 194

Human Immunodeficiency virus is:

2022 PMC Test 5
Biology
Elimination Tool:

A) An enveloped, RNA virus

B) An enveloped, DNA virus

C) A non-enveloped, RNA virus

D) A non-enveloped, DNA virus

38 / 194

Cardiac tissue is made up of :

2022 PMC Test 5
Biology
Elimination Tool:

A) Cardiac muscle

B) Smooth muscles

C) Skeletal muscles

D) Gut muscles

39 / 194

Which respiration is directly involved in the production of energy, necessary for all living activities?

2022 PMC Test 5
Biology
Elimination Tool:

A) Organismic

B) Cellular

C) Breathing

D) External respiration

40 / 194

Blood group AB negative can receive:

2022 PMC Test 5
Biology
Elimination Tool:

A) Blood group A positive

B) Blood group B positive

C) Blood group O positive

D) Any of the negative blood group

41 / 194

In aerobic respiration, chemiosmosis occurs during :

2022 PMC Test 5
Biology
Elimination Tool:

A) Electron transport chain

B) Photophosphorylation

C) Glycolysis

D) Kreb's cycle

42 / 194

Endemic goitre relates to which altered function?

2022 PMC Test 5
Biology
Elimination Tool:

A) Increased Pancreas function

B) Increased Thyroid function

C) Decreased Pancreas function

D) Decreased Thyroid function

43 / 194

Functional units of lungs are called which of the following?

2022 PMC Test 5
Biology
Elimination Tool:

A) Alveoli

B) Parabronchi

C) Air sacs

D) Bronchioles

44 / 194

Grave’s disease is produced due to which of the following?

2022 PMC Test 5
Biology
Elimination Tool:

A) Under Secretion of thyroxine

B) Under Secretion of cortlcosteroids

C) Overproduction of cortlcosteroids

D) Overproduction of thyroxine

45 / 194

Which of the following Is true about staphylococcus?

2022 PMC Test 5
Biology
Elimination Tool:

A) It is chain of spherical bacteria

B) It is bunch of spherical bacteria

C) It is square of spherical bacteria

D) It is cube of spherical bacteria

46 / 194

Which of the following was proposed by Lamarck in his theory?

2022 PMC Test 5
Biology
Elimination Tool:

A) Overproduction

B) Struggle for existence

C) Natural selection

D) Use and disuse of organs

47 / 194

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

2022 PMC Test 5
Biology
Elimination Tool:

A) Cell wall

B) Cell wall and vacuole

C) Nucleus and vacuole

D) Cell membrane

48 / 194

Which of the following bonds maintain the primary structure of a protein

2022 PMC Test 5
Biology
Elimination Tool:

A) Hydrogen bonds

B) Peptide bonds

C) Disulphide bonds

D) Hydrophobic Interaction

49 / 194

Which of the following may attach on active site of an enzyme?

2022 PMC Test 5
Biology
Elimination Tool:

A) Products

B) Coenzyme

C) Activator

D) Inhibitor

50 / 194

Which of the following fish drink large amount of seawater and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?

2022 PMC Test 5
Biology
Homeostasis
Osmoregulation
Elimination Tool:

A) Hagfish

B) Freshwater fish

C) Bonyfish

D) Cartilaginous fishes

51 / 194

Complete the following sentence:
When the salivary amylase is reached in stomach cavity _____________.

2022 PMC Test 5
Biology
Elimination Tool:

A) It becomes an apoenzyme

B) It is denatured

C) It participates in protein

D) It remains unaffected

52 / 194

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

2022 PMC Test 5
Biology
Elimination Tool:

A) Mirotubules

B) Endoplasmic reticulum

C) Golgi complex

D) Microfilaments

53 / 194

Reverse transcriptase of HIV is used in:

2022 PMC Test 5
Biology
Elimination Tool:

A) Conversion of viral RNA into viral DNA

B) Conversion of viral RNA Into host DNA

C) Conversion of viral DNA into viral RNA

D) Conversion of host DNA Into viral DNA

54 / 194

Which of the following is true about cnidarians?

2022 PMC Test 5
Biology
Elimination Tool:

A) They are deuterostomic animals

B) They are triploblastic animals

C) They are protostomous animals

D) They are diploblastic animals

55 / 194

Which of the following animal phylum is included in series deuterostomia?

2022 PMC Test 5
Biology
Elimination Tool:

A) Platyhelminthes

B) Annelida

C) Chordata

D) Mollusca

56 / 194

Which among the following lacks the nervous system?

2022 PMC Test 5
Biology
Elimination Tool:

A) Flat worms

B) Annelida

C) Cnidaria

D) Sponge

57 / 194

A periplasmic space is:

2022 PMC Test 5
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 phospholipid bilayer

58 / 194

A virus has its genome which is enclosed by a protein coat, called:

2022 PMC Test 5
Biology
Elimination Tool:

A) Spore

B) Capsid

C) Envelope

D) Shell

59 / 194

Hip Joint and shoulder joint are the examples of:

2022 PMC Test 5
Biology
Elimination Tool:

A) Ball and Socket Joint

B) Hinge Joint

C) Fibrous Joint

D) Cartilaginous Joints

60 / 194

The mechanism of regulation, generally between organism and Its environment, of solutes and the gain and the loss of water is called?

2022 PMC Test 5
Biology
Elimination Tool:

A) Hemostasis

B) Homeostasis

C) Osmoregulation

D) Thermoregulation

61 / 194

In non-competitive inhibition, the extent of inhibition depends only on?

2022 PMC Test 5
Biology
Elimination Tool:

A) Concentration of enzyme

B) Concentration of substrate

C) Concentration of ES complex

D) Concentration of Inhibitor

62 / 194

Which cell organelle is incorrectly matched with its function?

2022 PMC Test 5
Biology
Elimination Tool:

A) Chloroplast – carbon fixation

B) Mitochondria -ATP synthesis

C) Cell membrane – cell recognition

D) Golgl apparatus – Intracellular digestion

63 / 194

Insufficient secretion of thyroxine in adults causes which of the following disorders?

2022 PMC Test 5
Biology
Elimination Tool:

A) Myxedema

B) Cretinism

C) Goiter

D) Addison's disease

64 / 194

The composition of skeletal muscle is:

2022 PMC Test 5
Biology
Elimination Tool:

A) Myosin only

B) Actin only

C) Actin, myosin and troponin

D) Actin, myosin and tropomyosin

65 / 194

The union of meiotically produced specialized sex cells from each parents produce?

2022 PMC Test 5
Biology
Elimination Tool:

A) Corpus luteum

B) Embryo

C) Zygote

D) Neuroglial cells

66 / 194

A chemical which is applied on non living surface in order to control bacteria Is called:

2022 PMC Test 5
Biology
Elimination Tool:

A) Disinfectants

B) Antiseptic

C) Vaccines

D) Antibiotics

67 / 194

Which of the following shows significant effect of Genetic drift ?

2022 PMC Test 5
Biology
Elimination Tool:

A) Animal population

B) Plant population

C) Large population .

D) Small population

68 / 194

Maximum how many carbon atoms does an oligosaccharide contain?

2022 PMC Test 5
Biology
Elimination Tool:

A) 3

B) 7

C) 70

D) Many thousands

69 / 194

Cp = 49 J/K.mole and Cv= 35 J/K,mol then what type of gas Is this?

2022 PMC Test 5
Physics
Elimination Tool:

A) Diatomic

B) Monatomic

C) Triatomic

D) Nonlinear-triatomic

70 / 194

A wagon weighing 1000kg is moving with a velocity 50 km/h on smooth horizontal rails. A mass of 250kg is dropped into it. The velocity with which it moves in km/h now is:

2022 PMC Test 5
Physics
Elimination Tool:

A) 20 km/h

B) 60 km/h

C) 40 km/h

D) 25 km/h

71 / 194

A 1kW motor pumps out water from a well 10 meter deep. What is the quantity of water pumped out per second?

2022 PMC Test 5
Physics
Elimination Tool:

A) 9.2 kg

B) 9.5 kg

C) 10.2 kg

D) 10.8 kg

72 / 194

The speed of sound cannot be greater than:

2022 PMC Test 5
Physics
Elimination Tool:

A) Speed of shock wave

B) Speed of light

C) Speed of water wave

D) Speed of sound in vacuum

73 / 194

Speed of sound does not depend on:

2022 PMC Test 5
Physics
Elimination Tool:

A) Pressure

B) Density

C) Adiabatic Index

D) Amplitude

74 / 194

The direction associated with angular displacement is given by:

2022 PMC Test 5
Physics
Elimination Tool:

A) Left-hand rule

B) Head to tail rule

C) Right-hand rule

D) Fleming left hand rule

75 / 194

Which of the following quantities has no effect on simple projectile motion?

2022 PMC Test 5
Physics
Elimination Tool:

A) Velocity

B) Force

C) Mass

D) Acceleration

76 / 194

Correct form of ohm’s law

2022 PMC Test 5
Physics
Elimination Tool:

A) I = VR

B) V = I/R

C) V = IR

D) R= IV

77 / 194

Ripple factor of half wave rectifier Is:

2022 PMC Test 5
Physics
Elimination Tool:

A) 1.21

B) 0.8

C) 0.6

D) 0.4

78 / 194

Electric potential determines the flow of?

2022 PMC Test 5
Physics
Elimination Tool:

A) Atom

B) Molecule

C) Compound

D) Charge

79 / 194

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

2022 PMC Test 5
Physics
Elimination Tool:

A) Friction force

B) Normal force

C) Gravitational force

D) Pseudo forces

80 / 194

When two positive and negative particles are moving opposite to each other in uniform magnetic field:

2022 PMC Test 5
Physics
Elimination Tool:

A) Deflection occurs

B) Attraction occurs

C) Repulsion occurs

D) Nothing will happen

81 / 194

The black body always __ radiations:

2022 PMC Test 5
Physics
Elimination Tool:

A) Emit

B) Absorb

C) Both Emit And Absorb

D) Reflects

82 / 194

Parallel combination of two capacitor C1 and C2 Is:

2022 PMC Test 5
Physics
Elimination Tool:

A) C1+ C2

B) (C1)(C2)

C) (C1C2)/(C1+C2)

D) C1/C2

83 / 194

When two magnets come closer such that same poles face each other than field lines:

2022 PMC Test 5
Physics
Elimination Tool:

A) Intersect

B) Repel

C) Come closer

D) Nothing will happen

84 / 194

For a monatomic ideal gas of 6 mole Cp/Cv:

2022 PMC Test 5
Physics
Elimination Tool:

A) 1.4

B) 1.67

C) 5

D) 3

85 / 194

A beam of electrons can be:

2022 PMC Test 5
Physics
Elimination Tool:

A) Reflected

B) Refracted

C) Reflected and refracted

D) Polarized

86 / 194

Unit of power in british engineering system is:

2022 PMC Test 5
Physics
Elimination Tool:

A) Horse power

B) Watt

C) Kilowatt

D) Joule

87 / 194

The induced emf will oppose the flux producing It Is according to:

2022 PMC Test 5
Physics
Elimination Tool:

A) Gravitational law

B) Coulomb law

C) Newton's law

D) Lenz's law

88 / 194

If a bird catches its prey from a height which was initially at rest then momentum will be conserved for:

2022 PMC Test 5
Physics
Elimination Tool:

A) Bird

B) Prey

C) Either bird and prey

D) Both bird and prey

89 / 194

Sound waves are considered as ____ waves:

2022 PMC Test 5
Physics
Elimination Tool:

A) Compressional

B) Transverse

C) Longitudinal

D) Shock

90 / 194

_______ is a source of electrical energy having fixed polarity and terminals.

2022 PMC Test 5
Physics
Elimination Tool:

A) Motor

B) Metals

C) Battery

D) Generator

91 / 194

The specific resistance of a conductor Increases with:

2022 PMC Test 5
Physics
Elimination Tool:

A) Increase in temperature

B) increase in cross-sectional area

C) Decrease in length

D) decrease In cross-sectional area

92 / 194

Which of the following forces are only attractive?

2022 PMC Test 5
Physics
Elimination Tool:

A) Electrostatic forces

B) Gravitational forces

C) Magnetic forces

D) Forces between same poles of magnet

93 / 194

When two positive charge particles move toward each other In opposite directions:

2022 PMC Test 5
Physics
Elimination Tool:

A) repulsion occurs

B) attraction occurs

C) Nothing will happen

D) Charge will be neutralized

94 / 194

The total momentum of a flock of identical birds could be zero only if the birds are:

2022 PMC Test 5
Physics
Elimination Tool:

A) Taking off from the ground

B) Flying in the same direction

C) Flying in different dlrections

D) Very tired and coming down to rest

95 / 194

Photocell is based on:

2022 PMC Test 5
Physics
Elimination Tool:

A) Photoelectric effect

B) Compton effect

C) Photoluminescence

D) Pair production

96 / 194

Ohm’s law is valid at ___ temperatures

2022 PMC Test 5
Physics
Elimination Tool:

A) Constant

B) Varying

C) Low

D) High

97 / 194

If a particle launched with 5m/s at angle of 45 degree, then time of flight is:

2022 PMC Test 5
Physics
Elimination Tool:

A) 1.44 s

B) 0.72 s

C) 0.6 s

D) 0.5 s

98 / 194

Cp for monatomic gas in terms of R is:

2022 PMC Test 5
Physics
Elimination Tool:

A) 3/5 R

B) 5/3 R

C) 5/4 R

D) 5/2 R

99 / 194

Planck constant is named after:

2022 PMC Test 5
Physics
Elimination Tool:

A) Einstein

B) Newton

C) Maxwell

D) Max planck

100 / 194

Eddy currents flow in:

2022 PMC Test 5
Physics
Elimination Tool:

A) Open loops

B) Closed loops

C) Straight llnes

D) Vertical loops

101 / 194

A car and a train both have same kinetic energy. Which one has greater momentum?

2022 PMC Test 5
Physics
Elimination Tool:

A) Car

B) Train

C) Both have same

D) No change

102 / 194

The earth rotates 360o about its axis in about 24 hours. By how many degrees will it rotate In 2 hours?

2022 PMC Test 5
Physics
Elimination Tool:

A) 90

B) 60

C) 30

D) 15

103 / 194

When source is moving towards an observer at rest, then ________ increases.

2022 PMC Test 5
Physics
Elimination Tool:

A) Wavelength

B) Frequency

C) Wavelength and frequency both

D) Depends on the situation each time

104 / 194

When two ends of string are struck together simultaneously such that two troughs are traveling towards each other, than at reaching the centre of string __ is formed:

2022 PMC Test 5
Physics
Elimination Tool:

A) Higher amplitude

B) Lower amplitude

C) Waves die immediately

D) Troughs converted to crest

105 / 194

Waves which always need medium to travel are _______ waves:

2022 PMC Test 5
Physics
Elimination Tool:

A) Light

B) Stationary

C) Sound

D) Both sound and stationary

106 / 194

The electrons are accelerated in microscopes to produce

2022 PMC Test 5
Physics
Elimination Tool:

A) X-rays

B) Beta rays

C) High resolution images

D) Gamma rays

107 / 194

How many up quarks in proton:

2022 PMC Test 5
Physics
Elimination Tool:

A) 1

B) 2

C) 3

D) 4

108 / 194

In order to achieve high accuraccy, the slide wire of a potentiometer should be

2022 PMC Test 5
Physics
Elimination Tool:

A) As long as possible

B) As short as possible

C) Neither too small not to large

D) Very thick

109 / 194

The electric flux through a closed surface depends upon the:

2022 PMC Test 5
Physics
Elimination Tool:

A) Size of the surface

B) Shape of the surface

C) Position of charge enclosed in the surface

D) Magnitude of charge enclosed In the surface

110 / 194

The sound waves have no:

2022 PMC Test 5
Physics
Elimination Tool:

A) Frequency of the wave

B) Energy

C) Nodes

D) Intensity

111 / 194

Spectral lines is like a —– of absorbed or emission energy in a spectrum:

2022 PMC Test 5
Physics
Elimination Tool:

A) Charged Pattern

B) Fingerprint Pattern

C) Discharged Pattem

D) Scattered Pattern

112 / 194

The Lenz’s law is used to find out the direction of

2022 PMC Test 5
Physics
Elimination Tool:

A) Current induced in circuit

B) Potential energy

C) Magnetic field

D) Force

113 / 194

Stationary waves are produced by:

2022 PMC Test 5
Physics
Elimination Tool:

A) Reflection

B) Interference

C) Diffraction

D) Rarefaction

114 / 194

Kinetic energy of an oscillating simple pendulum at the equilibrium position is:

2022 PMC Test 5
Physics
Elimination Tool:

A) Maximum

B) Minimum

C) Zero

D) Information insufficient

115 / 194

The acceleration produced by the centripetal force is always:

2022 PMC Test 5
Physics
Elimination Tool:

A) Directed parallel to the center of the circle

B) Directed perpendicular to the center of the circle

C) Directed towards the center of the circle

D) Directed away from the center of the circle

116 / 194

Charge inside conductor is:

2022 PMC Test 5
Physics
Elimination Tool:

A) Possible

B) Can be greater than zero

C) Zero

D) Negative always

117 / 194

A force of 50 dynes is acted on a body of mass 5g which is at rest for an interval of 3 seconds, then impulse is

2022 PMC Test 5
Physics
Elimination Tool:

A) 0.00015 N.s

B) 0.0015 N.s

C) 0.15 N.s

D) 1.6 N.s

118 / 194

Transformer can convert ______

2022 PMC Test 5
Physics
Elimination Tool:

A) Low DC voltage

B) High DC voltage

C) Battery voltage

D) AC voltage

119 / 194

Which particle has no charge

2022 PMC Test 5
Physics
Elimination Tool:

A) Electrons

B) Proton

C) Neutron

D) Positron

120 / 194

In parallel plate capacitor Capacitance depends on:

2022 PMC Test 5
Physics
Elimination Tool:

A) Charge

B) Electric field

C) Voltage

D) Cross-sectional area

121 / 194

Ohm’s law is valid when the temperature of conductor Is :

2022 PMC Test 5
Physics
Elimination Tool:

A) Very low

B) Very high

C) Varying

D) Constant

122 / 194

Transformers works on principle of:

2022 PMC Test 5
Physics
Elimination Tool:

A) Electromagentic induction

B) Coulomb's law

C) Gauss's law

D) Ampere's law

123 / 194

Transition elements form which bond with ligands?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Covalent

B) Ionic

C) Metallic

D) Coordinate Covalent

124 / 194

Covalant radius is defined as half of the single bonded length between _____ atoms covalently bonded in a molecule.

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Two Different

B) Two Simultaneous

C) Any Two

D) Two Similar

125 / 194

Who proposed valence bond theory for metals?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Loren

B) Drudge

C) L.Pauling

D) Maxwell

126 / 194

Which one of the following Is a strong Nucleophlle?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Cl-

B) Br-

C) OH-

D) HSO4-

127 / 194

Alkali metal oxides dissolve In water to give:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Alkaline solution

B) Neutral solution

C) Acidic solution

D) Buffer solution

128 / 194

Which of the following does not have a complete octet?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) O2-

B) N5+

C) Ca2+

D) K+

129 / 194

What Is the structure of benzene?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Regular, flat planar hexagon

B) Regular 3D hexagon

C) Regular, flat planar octagon

D) Regular, planar pentagon

130 / 194

In a particular chemical reaction the actual yield was 70gm, while that of Its theoretical yield Is 100gm. The pecentage yield of the said reatlon is:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) 100%

B) 70%

C) 40%

D) 20%

131 / 194

At ordinary temperature, only few molecules possess energy equal to

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Kinetic energy

B) Potential Energy

C) Activation energy

D) Ionization Energy

132 / 194

Acetone is less reactive than acetaldehyde due to:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) More Steric 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.

133 / 194

Among alkaline earth metals the one which shows the least chemical reactivity Is:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Be

B) Ca

C) Mg

D) Ba

134 / 194

The element has highest reduction potential in electrochemical series Is;

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Zinc

B) Fluorine

C) Oxygen

D) Lithium

135 / 194

In the process of iron rusting, which of the following is the limiting reactant?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Iron

B) Oxygen

C) Air

D) Water

136 / 194

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

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Kerosene oil

B) Lubricating oil

C) Gasoline

D) Natural gas

137 / 194

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

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Esterification

B) Nitrosation

C) Amide formation

D) Lucas Reaction

138 / 194

When repulsive forces tend to push the atoms apart and the potential energy of the system is_______

2022 PMC Test 5
Chemistry
Elimination Tool:

A) No Effect

B) Decrease

C) Increase

D) Change in alternation

139 / 194

Born Haber cycle is used to determine:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Enthalpy of lattice

B) Enthalpy of formation

C) Enthalpy of neutrallzation

D) Enthalpy of solution

140 / 194

Sp3 hybridization is also called as:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Sigma

B) Pi bond

C) Coordinate covalent

D) Hydrogen bond

141 / 194

Which one of the following property belongs to covalent bond?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Fast reaction

B) Non-directional

C) Non-rigid structures

D) Isomerism

142 / 194

Among alkali metals which of the following property is high for Li?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Hydration energy

B) Ionic radius

C) Electropositivity

D) Atomic size

143 / 194

2-chlorobutane belongs to:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Primary Alkyl halides

B) Secondary Alkyl Halides

C) Tertiary Alkyl Halides

D) Quarternary Alkyl halides

144 / 194

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

2022 PMC Test 5
Chemistry
Elimination Tool:

A) H2O

B) H2S

C) H2Se

D) H2Te

145 / 194

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

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Reforming

B) Steam cracking

C) Catalytic cracking

D) Thermal cracking

146 / 194

What is the Catalyst in Friedel-Crafts Alkylation?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) AlCl3

B) Al2S3

C) AlH3

D) Al2O3

147 / 194

Which of the followlng has anti-knocking properties?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) (CH3CH2)4Sn

B) (CH3CH2)4Pb

C) (CH3CH2)4Ge

D) (CH3CH2)4 Si

148 / 194

The Halide of aluminum is ___ ?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Electron deficient

B) Lewis acid

C) High melting point

D) High boiling point

149 / 194

The slowest reaction among these is

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Neutralization

B) Double Decomposition Reactions

C) Ionic Reactions

D) Hydrogenation Reaction

150 / 194

Iodoform test is used to check the presence of

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Amines

B) Carbonyl compounds

C) Carboxylic acid

D) Alkyl halides

151 / 194

In the discharge tube positive rays moves in which direction

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Towards anode

B) Towards cathode

C) Move randomly

D) Move towards vaccum in the tube

152 / 194

Upon passing Hydrogen chloride gas through a brine solution, which of the following is observed?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Concentration of NaCl(a.q) decreases

B) Crystalization of NaCl take place

C) Concentraion of Na+ ion increases

D) Concentrtlon of Cl- ion decreases

153 / 194

The temperature at which volume of all the ideal gases becomes zero is:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) 0 K

B) 0˚C

C) 0˚F

D) 32˚F

154 / 194

The less reactivity of Benzene is due to:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Sigma bond

B) Delocalization of pi electron

C) Less electronegativity of C atom

D) Hexagonal structure

155 / 194

The value of Azimuthal quantum number (I) depends upon:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) n

B) m

C) s

D) p

156 / 194

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

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Fehling's reagant

B) Benedict's Reagant

C) Grignard's reagant

D) Millon's reagant

157 / 194

A galvanic cell is setup

2022 PMC Test 5
Chemistry
Elimination Tool:

A) When a less reactive metal contacts a more reactive metal via an electrolyte

B) When two reactive metals contact via an electrolyte

C) When two reactive metals are placed in any solutiin

D) When two metals come In direct contact

158 / 194

The requirement for bond formation In HF can be met by:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) 2 orbitals & 1 electron

B) 2 orbital & 2 electron

C) 1 orbital & 1 electron

D) 1 orbital & 2 electron

159 / 194

The correct name of CH2Cl2 Is:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Methyl chloride

B) Methylene chloride

C) Chloroform

D) Carbonyl chloride

160 / 194

The number of formula units in 18.0g of CaCo2 are

2022 PMC Test 5
Chemistry
Elimination Tool:

A) 6.022×1022

B) 6.022×1023

C) 3.011×1022

D) 3.011×1023

161 / 194

Which of the following Is not true about Polymorphs?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Have same chemical properties

B) lnterconvertible

C) Have same formula unlt

D) Have different formula unit

162 / 194

Benzene Is less reactive than its corresponding alkene due to:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) More Unsaturation

B) More Saturation

C) Less electronegativity difference bwteen c and H-atom

D) Delocalization of pi electrons

163 / 194

The aliphatic monocarboxylic acids is obtained from

2022 PMC Test 5
Chemistry
Elimination Tool:

A) fats and oils

B) proteins and oils

C) fats and proteins

D) fats only

164 / 194

A solid compounds exists is more than one crystalline form, this phenomenon is called

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Allotropy

B) Isomorphism

C) Polymorphism

D) Isomerism

165 / 194

According to kinetic theory, which of the following statements ls/are correct?
a. Gases consist of particles (atoms or mo!ecules)ln continuous random motion.
b. Collisions between particles are elastic.
c. The volume occupied by particles is negligibly small
d. Attractive forces between particles are significant at room temerature and pressure.

2022 PMC Test 5
Chemistry
Elimination Tool:

A) a and b

B) a,b and c

C) b and c

D) d

166 / 194

Nitrogen and Hydrogen present in equilibrium mixture in Haber Process remain in

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Solid state

B) Liquid state

C) Gaseous state

D) Mixture of solid and gas

167 / 194

Which of the following law Is an application of first law of thermodynamics?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Hess's law

B) Dalton's law

C) Moseley's Law

D) Avogadro's law

168 / 194

What is the shape of s-orbital ?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Lobed

B) Spherical

C) Dumbbell

D) Sausage

169 / 194

Which of the following solids shows the phenomenal of Isomorphism?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Molecular Solids

B) Covalent solids

C) Ionic solids

D) Metallic solids

170 / 194

Cu, Au and Ag are least reactive, because they have _____ ?

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Negative reduction potential

B) Negative oxidation potential

C) Positive reduction potential

D) Negative electrode potential

171 / 194

Ksp (Solubility product) depends upon:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Pressure

B) Concentration

C) Temperature

D) Volume

172 / 194

In termination step, two free radicals combine to form

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Another free radicals

B) A molecule

C) A molecular Ion

D) A cation

173 / 194

1 atm is equal to the following EXCEPT:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) 760 mm of Hg

B) 76 cm of Hg

C) 760 torr

D) 1.47 psi

174 / 194

Acetic acid was first isolated from:

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Ants

B) Butter

C) Milk

D) Vinegar

175 / 194

Electrons flow from _____

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Anode to cathode

B) Cathode to anode

C) Don't flow

D) In either directions

176 / 194

Complete the following reaction: CH3COOC2H5 +H2O —–>

2022 PMC Test 5
Chemistry
Elimination Tool:

A) Both HOC2H5 and CH3CO2H

B) Both HOCH3 and CH3CO3H

C) HOC3H6 Only

D) CH3CO2H Only

177 / 194

I_____ to learn a lot of new words within one month.

2022 PMC Test 5
English
Elimination Tool:

A) am going

B) will

C) about

D) can be

178 / 194

Can you please ___ your name at the bottom of the contract?

2022 PMC Test 5
English
Elimination Tool:

A) cross

B) answer

C) sign

D) lay

179 / 194

Which one is correct?

2022 PMC Test 5
English
Elimination Tool:

A) Whatever my father wanted me see, was on top of the highest point of my farm.

B) Whatever my father wanted me to see was on top of the highest point of my farm.

C) Whatever my father want me to see, was on top of the highest point of my farm.

D) None

180 / 194

The weather is pleasant here_____the spring.

2022 PMC Test 5
English
Elimination Tool:

A) above

B) around

C) in

D) on

181 / 194

Choose the word wrongly spelt.

2022 PMC Test 5
English
Elimination Tool:

A) Semester

B) Senesent

C) Sensory

D) Salacious

182 / 194

I woke up ____ five o’clock ____ the morning.

2022 PMC Test 5
English
Elimination Tool:

A) for … in

B) at.. in

C) In … at

D) at .. for

183 / 194

Choose the correct spelling of the word

2022 PMC Test 5
English
Elimination Tool:

A) Blldlng

B) Builldlng

C) Building

D) Bulding

184 / 194

Choose the correct spellings of the word

2022 PMC Test 5
English
Elimination Tool:

A) Exhebition

B) Exhibition

C) Exhabation

D) Exehation

185 / 194

Choose the correct spelling of the word.

2022 PMC Test 5
English
Elimination Tool:

A) Brucracy

B) Beaurocricy

C) Bureaucracy

D) Bueraucracy

186 / 194

Which one is correct?

2022 PMC Test 5
English
Elimination Tool:

A) I set out a breakfast of yogurt and cereal on the kitchen table to my family.

B) I set out a breakfast of yogurt and cereal on the kitchen table from my family.

C) I set up a breakfast of yogurt and cereal on the kitchen table for my family.

D) None of the above

187 / 194

The ___ climbed up the tree and hid Inside the branches.

2022 PMC Test 5
English
Elimination Tool:

A) deer

B) rabbit

C) squirrel

D) tortoise

188 / 194

Ali sent his mother a _ _ _ of flowers for her birthday.

2022 PMC Test 5
English
Elimination Tool:

A) bar

B) bouquet

C) pack

D) packet

189 / 194

Which one is correct?

2022 PMC Test 5
English
Elimination Tool:

A) The book that we needed to finish ours research was missing from the library.

B) The book that we need to finish our research was missing from the library.

C) The book that we needed to finish our research was missing from the library.

D) None of the above

190 / 194

The market is nearer to them than _____

2022 PMC Test 5
English
Elimination Tool:

A) we

B) ourself

C) us

D) ourselves

191 / 194

Find the correctly spelt word

2022 PMC Test 5
English
Elimination Tool:

A) Sovereign

B) Soveregn

C) Soverean

D) Sovereln

192 / 194

Which one is correct?

2022 PMC Test 5
English
Elimination Tool:

A) I will go to the market.

B) I will gone to the market

C) I will went to market

D) I will have go to market

193 / 194

We will go to Dubai. Which tense is used here?

2022 PMC Test 5
English
Elimination Tool:

A) Present

B) Past

C) Future

D) Past Perfect

194 / 194

Which one is future tense?

2022 PMC Test 5
English
Elimination Tool:

A) They are going to the market.

B) I will play football.

C) We watched a movie yesterday.

D) He has done his work.

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