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NUMS MDCAT 2025 Solved Past Paper

NUMS MDCAT 2025 Past Paper

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Solved Questions

  • Note: Errors and omissions expected.

Question 1

  • Question: The path of a charged particle in a plane perpendicular to a uniform magnetic field is

  • A) Circular

  • B) Helical

  • C) Parabola

  • D) Elliptical

  • Correct Answer: To be verified from official key

Question 2

  • Question: Magnetic force acting on a charge at rest is

  • A) Zero

  • B) Positive

  • C) Negative

  • D) Infinite

  • Correct Answer: To be verified from official key

Question 3

  • Question: If mass of a charged particle is doubled, cyclotron frequency becomes

  • A) Doubled

  • B) Halved

  • C) Quadrupled

  • D) One fourth

  • Correct Answer: To be verified from official key

Question 4

  • Question: In uniform circular motion, average velocity is equal to same as

  • A) Linear velocity

  • B) Average velocity

  • C) Uniform velocity

  • D) Instantaneous velocity

  • Correct Answer: To be verified from official key

Question 5

  • Question: Electric field intensity ofinfinite charge sheet

  • A) E= 2α/0

  • B) E=1/60

  • C) E=0/60

  • D) 0/(280)

  • Correct Answer: To be verified from official key

Question 6

  • Question: Stability of radioactivity element is determined by

  • A) Amountof liquid

  • B) Surface area

  • C) Temperature

  • D) Inter-molecular forces

  • Correct Answer: To be verified from official key

Question 7

  • Question: 1kWh is equal to

  • A) 3.6 MW

  • B) 3.6 MJ

  • C) 3.6 kJ

  • D) 3.6 GJ

  • Correct Answer: To be verified from official key

Question 8

  • Question: o Choosethesentencewithcorrectpunctuations.

  • A) Abstain

  • B) Accused

  • C) Desirous

  • D) Ignorant

  • Correct Answer: To be verified from official key

Question 9

  • Question: Basic requirement for induce emf is

  • A) flux linked to coil.

  • B) Noflux linked to coil

  • C) Coil should be circular

  • D) Change in flux links to the coil

  • Correct Answer: To be verified from official key

Question 10

  • Question: Product of force and time is equal to

  • A) Change in displacement

  • B) Change in momentum

  • C) Change in velocity

  • D) Change in acceleration

  • Correct Answer: To be verified from official key

Question 11

  • Question: Resistivity of copper is

  • A) 1.54 × 10-8 Q2m

  • B) 1.34 × 10-8 2m

  • C) 1.45 × 10-8 2m

  • D) 1.64 × 10-8 2·m

  • Correct Answer: To be verified from official key

Question 12

  • Question: Bursting of tire is an example of which process?

  • A) Adiabatic

  • B) Isochoric

  • C) Isothermal

  • D) Isobaric

  • Correct Answer: To be verified from official key

Question 13

  • Question: Direction of angular velocity can befound by

  • A) Right-hand rule

  • B) Fleming’s left-hand rule

  • C) Lenz’s law

  • D) Faraday’s law

  • Correct Answer: To be verified from official key

Question 14

  • Question: When star moves towards the earth shift is known as? SKN03100121696

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 15

  • Question: Angle at which maximum range of projectile is achieved ?

  • A) 00

  • B) 450

  • C) 90°

  • D) 760

  • Correct Answer: To be verified from official key

Question 16

  • Question: Which of the following spectrum is produced when atoms are in the gaseous state?

  • A) Continuous spectrum

  • B) Band spectrum

  • C) Line spectrum

  • D) Absorption spectrum

  • Correct Answer: To be verified from official key

Question 17

  • Question: Conductance is reciprocal of resistance, its unit is

  • A) Siemen

  • B) Ohm

  • C) Ampere

  • D) Watt

  • Correct Answer: To be verified from official key

Question 18

  • Question: During rubbing of hands, internal energy

  • A) Increases

  • B) Decreases

  • C) Zero

  • D) Remains same

  • Correct Answer: To be verified from official key

Question 19

  • Question: If velocity is doubled what happens to kinetic energy

  • A) Remains same

  • B) Doubles

  • C) Quadruples

  • D) Halves

  • Correct Answer: To be verified from official key

Question 20

  • Question: On a clear day at noon, intensity of solar energy is

  • A) 1.4 kW/m?

  • B) 1.2 kW/m?

  • C) 1 kW/m?

  • D) 1.3 kW/m?

  • Correct Answer: To be verified from official key

Question 21

  • Question: Work doneis positive if angle is

  • A) 0°<0<900

  • B) 0°<0<1800

  • C) 90°«270°

  • D) None of these

  • Correct Answer: To be verified from official key

Question 22

  • Question: The electric potential at a distancer is given by the formula

  • A) V= kq/r

  • B) 1/4元oqr

  • C) Ed

  • D) Ir

  • Correct Answer: To be verified from official key

Question 23

  • Question: Which of the following act as a semiconductor?

  • A) Iron

  • B) Silicon

  • C) Zinc

  • D) Tungsten

  • Correct Answer: To be verified from official key

Question 24

  • Question: The fraction change in resistance per kelvin is

  • A) coefficient of conductivity

  • B) Temperature coefficient of resistance

  • C) Coefficient of conductance

  • D) Coefficient of resistivity

  • Correct Answer: To be verified from official key

Question 25

  • Question: Quantized momentum was explained by

  • A) Einstein

  • B) Bohr

  • C) de-Broglie

  • D) Rutherford

  • Correct Answer: To be verified from official key

Question 26

  • Question: Angle between a and r is

  • A) 900

  • B) 800

  • C) 45 o

  • D) 60°

  • Correct Answer: To be verified from official key

Question 27

  • Question: Emf induced is zero when plane of coil is

  • A) PerpendiculartoB

  • B) Parallel to B

  • C) Antiparallel

  • D) None of these

  • Correct Answer: To be verified from official key

Question 28

  • Question: The spectra which is obtained by the absorption or emission of radiation by the atoms of the gas

  • A) Atomic spectra

  • B) Molecular spectra

  • C) Band spectra

  • D) Continuous spectra

  • Correct Answer: To be verified from official key

Question 29

  • Question: Two waves identical traveling in the same medium are super posed: SKN03100121696 Page2l12

  • A) Interference

  • B) Diffraction

  • C) Reflection

  • D) Refraction

  • Correct Answer: To be verified from official key

Question 30

  • Question: Mostmolecular crystalsmeltbelow

  • A) 200°℃

  • B) 280°C

  • C) 330℃

  • D) 480°℃

  • Correct Answer: To be verified from official key

Question 31

  • Question: How much heavier is the H-atom as compared to electron?

  • A) 1937

  • B) 1737

  • C) 1837

  • D) 1637

  • Correct Answer: To be verified from official key

Question 32

  • Question: Thevalue ofequilibrium constant for the decomposition of ozone at 25°C

  • A) 1035

  • B) 106

  • C) 1025

  • D) 10s0

  • Correct Answer: To be verified from official key

Question 33

  • Question: Areaction is first order with respect to A and third order with respect to B, therate equation is

  • A) Rate = K[AJ[B]

  • B) Rate = K[A][B]

  • C) Rate=K[A][B]

  • D) Rate=K[A]

  • Correct Answer: To be verified from official key

Question 34

  • Question: For a reaction A-Product,if concentration ofAis doubled,product increases 4 times. The order of reaction will be

  • A) Zero

  • B) In

  • C) 2ad

  • D) 3d

  • Correct Answer: To be verified from official key

Question 35

  • Question: Selectthe spontaneousreactionfromthefollowing

  • A) Reaction of nitrogen and oxygen

  • B) Emission of a-particlesfrom polonium

  • C) Thermal decomposition ofmarble

  • D) Burning of paper

  • Correct Answer: To be verified from official key

Question 36

  • Question: Select the exothermic reaction among thefollowing

  • A) Thermalcompositionof P.Os

  • B) Formation ofatmospheric nitric oxide

  • C) Burning ofmethane

  • D) Sublimation of dry ice

  • Correct Answer: To be verified from official key

Question 37

  • Question: TheoxidationnumberofClinHCIO,is: A +1

  • A) Option A not clearly readable in source image.

  • B) +3

  • C) +5

  • D) +7

  • Correct Answer: To be verified from official key

Question 38

  • Question: Bond orderis equal to: ADifferencebetweennumberofbonding electrons andantibondingelectrons

  • A) Option A not clearly readable in source image.

  • B) Thesumofnumberofbondingelectronsandantibondingelectrons

  • C) Halfof thedifferencebetweennumber ofbondingelectrons and antibonding electrons

  • D) Quarter of the difference between number of bonding electrons and antibonding electrons

  • Correct Answer: To be verified from official key

Question 39

  • Question: Which of the following molecule has non-polar covalent bond?

  • A) Methyl chloride

  • B) Methanol

  • C) Carbon dioxide

  • D) Tetrachloromethane

  • Correct Answer: To be verified from official key

Question 40

  • Question: Which of the following alcohols will give oily layer upon heating?

  • A) 3-Methyl-2-butanol

  • B) 2-Methyl-2-butanol

  • C) 2-Butanol

  • D) Ethyl alcohol

  • Correct Answer: To be verified from official key

Question 41

  • Question: Formalin isamixture of

  • A) 40%HCHO,8%CHOH,52%H2O

  • B) 40%CHCHO,8%CH0H,50%H0

  • C) 40%CHCHO,8%C2HsOH,50%HOD.45%HCHO,8%C2HsOH,50%H0

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 42

  • Question: Polymerization ofHCHOand CHsCHOoccurs in thepresenceof: SKN03100121696 Page3|12

  • A) Conc.HSO4

  • B) Dil. HeSO4

  • C) Conc.HCO,

  • D) Dil. HCO,

  • Correct Answer: To be verified from official key

Question 43

  • Question: The boiling point of carboxylic acids are relativelyhigh due to

  • A) Increasedmolecularmass

  • B) Intermolecularcarbonbonding

  • C) Intermolecularoxygenbonding

  • D) Intermolecularhydrogenbonding

  • Correct Answer: To be verified from official key

Question 44

  • Question: Carboxylic acid reacts with metal carbonate.The colorless gas evolved is: AH2

  • A) Option A not clearly readable in source image.

  • B) O.

  • C) CO2

  • D) CO

  • Correct Answer: To be verified from official key

Question 45

  • Question: Which of the following compound will react with 2,2-dimethyl propanoic acid to produce ester?

  • A) Ethanoic acid

  • B) Propane

  • C) Ethanol

  • D) Propanone

  • Correct Answer: To be verified from official key

Question 46

  • Question: Themost abundant protein in animal kingdomforming 25-35%of bodyproteins is/are

  • A) Derived proteins

  • B) Simpleproteins

  • C) Compoundproteins

  • D) Conjugatedproteins

  • Correct Answer: To be verified from official key

Question 47

  • Question: Proteinpresentsinconnectivetissues of humanbodyis

  • A) Phosphoprotein

  • B) Collagen

  • C) Lecithin

  • D) Cholesterol

  • Correct Answer: To be verified from official key

Question 48

  • Question: In human bodyFerritin is used to store

  • A) P

  • B) Ca

  • C) Fe

  • D) Zn

  • Correct Answer: To be verified from official key

Question 49

  • Question: In HumanbodyCeruloplasminactsasacarrier of

  • A) 02

  • B) Zn

  • C) Cu

  • D) Fe

  • Correct Answer: To be verified from official key

Question 50

  • Question: Predict the element with lowest ionization energy

  • A) Mg

  • B) Ar

  • C) Si

  • D) P

  • Correct Answer: To be verified from official key

Question 51

  • Question: Select the group II elements which has the highest atomic radius?

  • A) Be

  • B) Ca

  • C) Ba

  • D) Sr

  • Correct Answer: To be verified from official key

Question 52

  • Question: Which of the following element has least boiling point?

  • A) Li

  • B) Na

  • C) K

  • D) Cs

  • Correct Answer: To be verified from official key

Question 53

  • Question: Question 53 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 54

  • Question: Which of the followingwill show optical isomerism? C,Butanoic acid

  • A) 2,2-Dihydroxy propanoic acid

  • B) 2-Hydroxy butanedioic acid

  • C) Option C not clearly readable in source image.

  • D) 2-Hydroxy propanoic acid

  • Correct Answer: To be verified from official key

Question 55

  • Question: Which of the following is an electrophile in sulphonation?

  • A) SO,H

  • B) SO,

  • C) SO2

  • D) SOs+

  • Correct Answer: To be verified from official key

Question 56

  • Question: Acetylene reacts with hydrogen bromideto form

  • A) 2,2-Dibromoethane

  • B) I,1-Dibromoethane

  • C) 1,2-Dibromoethane

  • D) 1,1,2,2-Tetrabromoethane

  • Correct Answer: To be verified from official key

Question 57

  • Question: Generally thedecreasingorder of reactivityis: SKN03100121696 Page4/12

  • A) Alkane>Alkynes>Alkene

  • B) Alkene<Alkynes<Alkanes

  • C) Alkene>Alkynes>Alkanes

  • D) Alkynes<Alkanes<Alkene

  • Correct Answer: To be verified from official key

Question 58

  • Question: Racemic mixtureformed in SN1reaction is dueto presence ofempty

  • A) s-orbital

  • B) p-orbital

  • C) sp’-orbital

  • D) sp’-orbital

  • Correct Answer: To be verified from official key

Question 59

  • Question: The order of reactivity of alcohol with respect to cleavage of C-Obond: C, Secondary alcohol >Tertiary alcohol >Primary alcohol

  • A) Tertiaryalcohol>Secondaryalcohol>Primary alcohol

  • B) Primary alcohol > Tertiary alcohol > Secondary alcohol

  • C) Option C not clearly readable in source image.

  • D) Tertiary alcohol < Secondary alcohol<Primary alcohol

  • Correct Answer: To be verified from official key

Question 60

  • Question: Consider thefollowingreaction Na0H+HSO4-→NaSO4+H0 When 40g of NaOH reacts with 49g of HSO.Thenumber ofwater molecules produced are

  • A) 6.02×1023

  • B) 6.02 × 1024

  • C) 1.2044×103

  • D) 1.204×1024

  • Correct Answer: To be verified from official key

Question 61

  • Question: The number of electrons in a subshell can be calculated by the formula

  • A) 21+1

  • B) 21+2

  • C) 2(2+I)

  • D) 2(21 + 1)

  • Correct Answer: To be verified from official key

Question 62

  • Question: When 5d orbital is complete, the entering electron goes into: 2RT 3RT AKE= 3NA 2NA 2mNT 2NA 2R 3RT

  • A) 6s

  • B) K.E=

  • C) K.E-

  • D) KE-

  • Correct Answer: To be verified from official key

Question 63

  • Question: Question 63 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 64

  • Question: Thefourth state ofmatter is

  • A) Solid

  • B) Liquid

  • C) Gaseous liquid

  • D) Plasma

  • Correct Answer: To be verified from official key

Question 65

  • Question: Question 65 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 66

  • Question: Which of thefollowing is responsibleforthe low boiling point of diethylether as compared to water?

  • A) Weakintermolecularforces

  • B) High surface tension

  • C) Lowvapour pressure

  • D) High vapour pressure

  • Correct Answer: To be verified from official key

Question 67

  • Question: Hydrogenbonding does not exist in

  • A) Proteins

  • B) Alcohols

  • C) Liq HF

  • D) SiH4

  • Correct Answer: To be verified from official key

Question 68

  • Question: The factor that affects the lattice energy is: ACharge to sizeratio

  • A) Option A not clearly readable in source image.

  • B) Shielding effect

  • C) Crystal structure

  • D) Atomic radius

  • Correct Answer: To be verified from official key

Question 69

  • Question: The shape of the crystal lattice depends upon: A,Sizeof particles SKN03100121696 Page5|12

  • A) Option A not clearly readable in source image.

  • B) Nature of particles

  • C) Arrangement of particles

  • D) Size ofunit cell

  • Correct Answer: To be verified from official key

Question 70

  • Question: Identify the sentencewith correct punctuations

  • A) Ali received a Parker pen, Hamza: a watch.

  • B) Ali received a Parker pen; Hamza a watch.

  • C) Ali received a Parker pen; Hamza: a watch.

  • D) Ali received a Parker pen; Hamza, a watch.

  • Correct Answer: To be verified from official key

Question 71

  • Question: Fill in thecorrectarticles: female lion is called lioness,Shehas nomane.

  • A) A, the

  • B) The, a

  • C) The, the

  • D) A, a

  • Correct Answer: To be verified from official key

Question 72

  • Question: Whatever you order for dinner is fine with me. The underlined part is

  • A) Noun clause

  • B) Adjective clause

  • C) Adverb clause

  • D) Independentclause

  • Correct Answer: To be verified from official key

Question 73

  • Question: After midnight, theghost will come out of thehaunted attic to scare the people. The sentence is

  • A) Simple

  • B) Compound

  • C) Complex

  • D) Compound-Complex

  • Correct Answer: To be verified from official key

Question 74

  • Question: I suggestthatyou Visit a doctor.

  • A) Must

  • B) Should

  • C) Ought to

  • D) Have to

  • Correct Answer: To be verified from official key

Question 75

  • Question: Choose the correctly structured sentence,

  • A) Had he been there, he would see us.

  • B) Had he been there, he would had seen us.

  • C) Had he been there, he would have seen us.

  • D) Had he had been there, he would have seen us.

  • Correct Answer: To be verified from official key

Question 76

  • Question: Identify the sentence with correct structure.

  • A) We noticed theboy,walkingdown the street.

  • B) We noticed, the boy walk down the, street.

  • C) Wenoticed, that theboywas walking down the street.

  • D) We noticed theboy,who waswalking down thestreet.

  • Correct Answer: To be verified from official key

Question 77

  • Question: Hecircled wholeworld on his ship and on island he encountered fierce giant.

  • A) the, an, the

  • B) the, a, a

  • C) the,an,a

  • D) the, an, an

  • Correct Answer: To be verified from official key

Question 78

  • Question: Choose the sentence with correct order of adjectives

  • A) I met, young two,beautiful,British girls at theairport.

  • B) Imet twobeautiful,young,British girls at the airport.

  • C) I met two, British,young, beautiful girls at the airport.

  • D) I met two young, beautiful British girls at the airport.

  • Correct Answer: To be verified from official key

Question 79

  • Question: Identifythe underlined part of the sentence: I know you have already read this book. SKN03100121696 Page6|12

  • A) Independent clause

  • B) Adjective clause

  • C) Adverb clause

  • D) Noun clause

  • Correct Answer: To be verified from official key

Question 80

  • Question: Question 80 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 81

  • Question: Question 81 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 82

  • Question: According to the scientists,the sun is and we can find the early discoveries made byscientists in black and white on .Choosecorrectlyspell homophones tocompletethesentence

  • A) Stationery,Stationary

  • B) Stationary, Stationery

  • C) Stationary.Stationary

  • D) Stationery,Stationary

  • Correct Answer: To be verified from official key

Question 83

  • Question: Choose the correctpreposition. Onehour glorious lifeis worth anagewithoutaname. AIn

  • A) Option A not clearly readable in source image.

  • B) of

  • C) To

  • D) With

  • Correct Answer: To be verified from official key

Question 84

  • Question: Clive had been only a few months in the army when announced that peace had been concluded between great britain and france. The sentence contains errors of: C,Comma andcapitalization SKN03100121696 Page7/12

  • A) Comma

  • B) Comma and full stop

  • C) Option C not clearly readable in source image.

  • D) Capitalization

  • Correct Answer: To be verified from official key

Question 85

  • Question: Induced fit model of enzymeactivity suggests that an enzyme

  • A) Cannotmodifyits activesites

  • B) Can bind to a single substrate

  • C) Cancatalyzerelated specificreaction

  • D) Usually belongs to non-regulatory enzyme

  • Correct Answer: To be verified from official key

Question 86

  • Question: Select the one which is used by the hexokinase as an activator

  • A) Cu

  • B) Zn**

  • C) Mg*

  • D) Fett

  • Correct Answer: To be verified from official key

Question 87

  • Question: The linkagebetween substrate moleculeand active site is

  • A) Ionic bonding

  • B) Disulfide bonding

  • C) Hydrogen bonding

  • D) Covalent bonding

  • Correct Answer: To be verified from official key

Question 88

  • Question: Activated pepsin in which polypeptide fragment is removed is an example of

  • A) Apo-enzyme

  • B) Holoenzyme

  • C) Regulatoryenzyme

  • D) Non-regulatory enzyme

  • Correct Answer: To be verified from official key

Question 89

  • Question: Reversible inhibitors affects the enzyme catalyzed reaction by

  • A) Forming covalent bonds with active site B.Destroying theglobular structure

  • B) Option B not clearly readable in source image.

  • C) Formingweaklinkageswithenzymes

  • D) Activating the catalytic sites

  • Correct Answer: To be verified from official key

Question 90

  • Question: What is the required medium for the maximum activity of the given enzymes? Option Lipase Pepsin Acidic Basic Acidic Acidic Basic Acidic Basic Basic

  • A)

  • B)

  • C)

  • D)

  • Correct Answer: To be verified from official key

Question 91

  • Question: What distinguishes the concept of special creation from concept of evolution?

  • A) Lifeis nottheproductof suddencreativeact

  • B) Unicellularprokaryotesmightbethelifeancestors

  • C) Relyoninspirationandmeditationfor lifeorigin

  • D) Liferesults from innumerablechanges

  • Correct Answer: To be verified from official key

Question 92

  • Question: Which of the following idea is a part of Lamarckism?

  • A) Useanddisuseof organs

  • B) Survival of the fittest

  • C) Originofspecies

  • D) Variation

  • Correct Answer: To be verified from official key

Question 93

  • Question: Choose the correct pair for homology?

  • A) Wings of birds and wings of butterfly

  • B) Forelimbs of birds and fins of whales

  • C) Leaves of pinesand cactus

  • D) Gills of fish and lungs of humans

  • Correct Answer: To be verified from official key

Question 94

  • Question: Which chronological sequence is correct among the classes of vertebrates as evidence of evolution?

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Fish-amphibians-reptiles-birdsD.Amphibians→reptiles→birds-fish

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 95

  • Question: The reduction of population carrying a specific allele and genotype due to natural disaster is called

  • A) Mutation

  • B) Bottle neck effect

  • C) Founder effect

  • D) Speciation

  • Correct Answer: To be verified from official key

Question 96

  • Question: Which of the following increases variation within a gene pool?

  • A) Adaptation

  • B) Genetic drift

  • C) Gene mutation

  • D) Neutral selection

  • Correct Answer: To be verified from official key

Question 97

  • Question: Identify the location ofmitral valve inhuman heart: SKN03100121696 Page8|12

  • A) Between right ventricle and pulmonary trunk

  • B) Between left ventricleand aorta

  • C) Between right atrium and right ventricle

  • D) Between left atrium and left ventricle

  • Correct Answer: To be verified from official key

Question 98

  • Question: Which of the following components are present both in blood and lymph?

  • A) Oz,water,largeproteins

  • B) RBCs, electrolytes, amino acids

  • C) CO2,RBCsandwater

  • D) CO2,glucoseandwat

  • Correct Answer: To be verified from official key

Question 99

  • Question: Blood flow in vessels least depends on

  • A) Total cross sectional area ofvessels

  • B) Blood pressure

  • C) Skeletalmusclecontraction

  • D) Heart beat

  • Correct Answer: To be verified from official key

Question 100

  • Question: Which T-lymphocytes do not directly attack invading microbes?

  • A) Natural killer cell

  • B) Macrophages

  • C) B-lymphocytes

  • D) Neutrophils

  • Correct Answer: To be verified from official key

Question 101

  • Question: A woman cuts her finger while working in kitchen. Which chemical substance will cause inflammation around wound?

  • A) Interleukin-I

  • B) Histamine

  • C) Interleukin -II

  • D) Heparin

  • Correct Answer: To be verified from official key

Question 102

  • Question: Choosethemismatched

  • A) Acetylcholine-gastrin

  • B) Enterokinase-lipase

  • C) Emulsification-fatdroplets

  • D) Chylomicrons-cholesterol+carbohydrates

  • Correct Answer: To be verified from official key

Question 103

  • Question: Which proteinis present in thewalls of alveoli?

  • A) Collagen

  • B) Hemoglobin

  • C) Myoglobin

  • D) Myosin

  • Correct Answer: To be verified from official key

Question 104

  • Question: Which of the following acts as an enzyme activator in human digestive system?

  • A) Erepsin

  • B) Enterokinase

  • C) Pepsinogen

  • D) Trypsinogen

  • Correct Answer: To be verified from official key

Question 105

  • Question: How would you classifya bacterium having a group of2ormore flagella at one pole?

  • A) Lophotrichous

  • B) Amphitrichous

  • C) Monotrichous

  • D) Peritrichous

  • Correct Answer: To be verified from official key

Question 106

  • Question: Which of the following bacteria is used for developing vaccine against tuberculosis? If a bacteria can grow in the presence or absence of oxygen it would be a(n)

  • A) Mycobacteriumtuberculosis

  • B) E.coli

  • C) Salmonella typhi

  • D) Mycobacterium bovis

  • Correct Answer: To be verified from official key

Question 107

  • Question: Question 107 text extracted with low confidence from source image.

  • A) Aerobic

  • B) Anaerobic

  • C) Facultativeanaerobic

  • D) Microaerophilic

  • Correct Answer: To be verified from official key

Question 108

  • Question: Which testicular cells in a human male with high testosterone level will start the endocrine activity?

  • A) Interstitial cell

  • B) Sertoli cells

  • C) Spermatogonial cells

  • D) Leydig cells

  • Correct Answer: To be verified from official key

Question 109

  • Question: Which layer of uterus is composed of contractilemuscles?

  • A) Endometrium

  • B) Perimetrium

  • C) Myometrium

  • D) Bothendoandmyometrium

  • Correct Answer: To be verified from official key

Question 110

  • Question: One of the endocrine glands responsible for failure in ovulation is: Q：111 Identify the exact function ofATP hydrolysis during muscle contraction

  • A) Formationofcrossbridges

  • B) Breaking of cross bridges

  • C) Displacementoftropomyosin

  • D) Release ofCaions from sarcoplasmic reticulum

  • Correct Answer: To be verified from official key

Question 111

  • Question: Question 111 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 112

  • Question: Thereason behind theslow healingof cartilage is: SKN03100121696 Page9|12

  • A) Absenceofminerals inmatrix

  • B) Absenceof nervous supply

  • C) Absence of blood supply

  • D) Loose arrangement of cells

  • Correct Answer: To be verified from official key

Question 113

  • Question: Hzone of sarcomereconsistsof

  • A) Proteins supportingmyosinfilaments

  • B) Myosin overlapped by actin

  • C) Onlyactinfilament

  • D) Onlymyosin filament

  • Correct Answer: To be verified from official key

Question 114

  • Question: Which cell is most important to causebone resorption?

  • A) Osteoblast

  • B) Osteoclast

  • C) Osteocyte

  • D) Fibroblast

  • Correct Answer: To be verified from official key

Question 115

  • Question: Activity of which organ would be compromised with impaired function of smooth muscles?

  • A) Heart

  • B) Lungs

  • C) Stomach

  • D) Tongue

  • Correct Answer: To be verified from official key

Question 116

  • Question: The phenomena of gene linkage rejects the concept of

  • A) Lawofsegregation

  • B) Polygenic traits

  • C) Epistasis

  • D) Lawof independentassortment

  • Correct Answer: To be verified from official key

Question 117

  • Question: Which of the following is used to determine linkage between two gene pairs?

  • A) Test cross

  • B) Back cross

  • C) Monohybridcross

  • D) Dihybrid cross

  • Correct Answer: To be verified from official key

Question 118

  • Question: The process by which unwanted structures areengulfed and digested within the lysosome is termed as

  • A) Autophagy

  • B) Autolysis

  • C) Endocytosis

  • D) Exocytosis

  • Correct Answer: To be verified from official key

Question 119

  • Question: Fluidity of biological membranes is maintained by

  • A) Glycoprotein

  • B) Saturated fatty acid

  • C) Fatty acids

  • D) Phospholipids

  • Correct Answer: To be verified from official key

Question 120

  • Question: Which of the following independently reproduces in the cell?

  • A) Golgicomplex

  • B) Nucleus

  • C) Chloroplast

  • D) Endoplasmic reticulum

  • Correct Answer: To be verified from official key

Question 121

  • Question: Which statement best describes difference of prokaryotic cell from eukaryotic cell? Option Prokaryotic Cell Eukaryotic Cell Membranebound organelle is present Membranebound organelle is absent Ribosomalsubunitsare50s&30s Ribosomalsubunitsare60s&40s DNA is double stranded DNAiscircular Multicellular Multicellular and unicellular

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D)

  • Correct Answer: To be verified from official key

Question 122

  • Question: Skeletal muscle cells are having

  • A) LessSER&moreRER

  • B) MoreSER&lessRER

  • C) EqualamountofSER&RER

  • D) NoSER&RER

  • Correct Answer: To be verified from official key

Question 123

  • Question: Which one is the correct direction of action potential along the neuron?

  • A) Axon post synaptic terminal

  • B) Schwann cells → pre synaptic terminal

  • C) Cell body-pre synaptic terminal

  • D) Dendritepost synaptic terminal

  • Correct Answer: To be verified from official key

Question 124

  • Question: Concentration of Na and K ions during resting membrane potential is: Option InsideNeuron Outside Neuron K30times Na-10 times K+10times Na 30times Na 10 times K30times Na30times K10 times SKN03100121696

  • A)

  • B)

  • C) Option C not clearly readable in source image.

  • D)

  • Correct Answer: To be verified from official key

Question 125

  • Question: Question 125 text extracted with low confidence from source image.

  • A) Option A not clearly readable in source image.

  • B) Option B not clearly readable in source image.

  • C) Option C not clearly readable in source image.

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

Question 126

  • Question: Parts of brain thatcomprisethe limbic system: AThalamus,amygdala, hippocampus

  • A) Option A not clearly readable in source image.

  • B) Hypothalamus,amygdala,hippocampus

  • C) Hypothalamus, corpus callosum,hippocampus

  • D) Thalamus, hypothalamus, pons

  • Correct Answer: To be verified from official key

Question 127

  • Question: Ions involved in synaptic transmission of nerve impulse

  • A) K+,Ca*,Na

  • B) Nat, K

  • C) Nat, Ca+

  • D) K,Ca?*

  • Correct Answer: To be verified from official key

Question 128

  • Question: Correct sequence of the four elements ofa neural pathway in simple-relex circuit

  • A) Sensoryneuronassociativeneuronmotorneuronmuscles

  • B) Muscles-sensoryneuronassociativeneuronmotor neuron

  • C) Motor neuronsassociate neuron sensoryneuron→muscles

  • D) Associate neuron → sensory neuron→motor neuronmuscles

  • Correct Answer: To be verified from official key

Question 129

  • Question: In humans memory storage for behavior and coordination is well developed in the;

  • A) Amygdala

  • B) Cerebrum

  • C) Medulla

  • D) Cerebellum

  • Correct Answer: To be verified from official key

Question 130

  • Question: Choose the correct pairing: Option Chemical Nature Hormones Glands Proteins Insulin Pancreas Steroid Cortisone Thymus Catecholamine Estrogen Adrenal medulla Aminoacidderivative Thyroxine Parathyroid

  • A) Option A not clearly readable in source image.

  • B)

  • C) Option C not clearly readable in source image.

  • D)

  • Correct Answer: To be verified from official key

Question 131

  • Question: Whichphyla exhibitfirst true coelom?

  • A) Cnidaria

  • B) Annelida

  • C) Mollusca

  • D) Platyhelminthes

  • Correct Answer: To be verified from official key

Question 132

  • Question: Which invertebrate has exceptionally,large and complex brain with highly developed capabilities to learn and remember?

  • A) Snail

  • B) Cattle fish

  • C) Octopus

  • D) Giant squid

  • Correct Answer: To be verified from official key

Question 133

  • Question: Arthropods constitute 54% ofkingdom Animalia.What is the reason of their Success?

  • A) Diversity and articulation of exoskeleton B. Existence of haemocoel

  • B) Option B not clearly readable in source image.

  • C) Well-developed reproductive system

  • D) Bilateral symmetry

  • Correct Answer: To be verified from official key

Question 134

  • Question: Which of the following virus is having double stranded RNA in its core?

  • A) Small pox

  • B) Mild rash virus

  • C) Diarrhea virus

  • D) Rubella virus

  • Correct Answer: To be verified from official key

Question 135

  • Question: Pore size of porcelain filter rangesbetween

  • A) 10-100nm

  • B) 1001000nm

  • C) 10-10μm

  • D) 100-1000μm

  • Correct Answer: To be verified from official key

Question 136

  • Question: Reverse transcriptase converts: SKN03100121696 Pagelll12

  • A) ds RNA to ss RNA

  • B) ss RNA to ds RNA

  • C) ss RNA to ds DNA

  • D) ss DNAto ds DNA

  • Correct Answer: To be verified from official key

Question 137

  • Question: Which symptoms disappear afterfewmonths in an asymptomatic carrier ofHIV?

  • A) Loss of memory

  • B) Swollen lymph gland

  • C) Weight loss

  • D) Night sweats

  • Correct Answer: To be verified from official key

Question 138

  • Question: The primary purpose ofphotosystem-I in thylakoid membrane is

  • A) SynthesisofATP

  • B) Oxidation ofwater

  • C) ReductionofNADPtoNADPH

  • D) Oxidation of cytochrome

  • Correct Answer: To be verified from official key

Question 139

  • Question: In glycolysis glucose is

  • A) Oxidized into pyruvic acid

  • B) Reduced into pyruvate

  • C) Broken down toG3P

  • D) Reduced to NADPH

  • Correct Answer: To be verified from official key

Question 140

  • Question: The final electron acceptor in respiratory electron transport chain in mitochondria is

  • A) FAD*

  • B) NADP+

  • C) CO2

  • D) 02

  • Correct Answer: To be verified from official key

Question 141

  • Question: Water is present in all living systems as universal solvent because of

  • A) Its cohesiveforce

  • B) Its polar nature

  • C) High specific heat

  • D) High evaporation rate

  • Correct Answer: To be verified from official key

Question 142

  • Question: Which of the following sugarmolecules are condensed to produce sucrose?

  • A) Glucose&galactose

  • B) Glucose&fructose

  • C) Glucose & glucose

  • D) Glucose &fructose 6-phosphate

  • Correct Answer: To be verified from official key

Question 143

  • Question: The integral property of lipid bilayer in a cell membrane is due to

  • A) Reduction of contact area between water and lipids

  • B) Increase of contact area between water and lipids

  • C) Polar interaction of lipids

  • D) Ionization of lipids

  • Correct Answer: To be verified from official key

Question 144

  • Question: About 170 types of amino acids are found to occur in a cells.How manyare involved in making proteins?

  • A) 170amino acids

  • B) 20 amino acids

  • C) 25 amino acids

  • D) 150 amino acids

  • Correct Answer: To be verified from official key

Question 145

  • Question: The anticodon loop of the tRNA that complements mRNAis: A0loop

  • A) Option A not clearly readable in source image.

  • B) D loop

  • C) Middle loop

  • D) Alpha loop

  • Correct Answer: To be verified from official key

Question 146

  • Question: The individual chemical property of an amino acid is determined by which of the following groups?

  • A) Alphacarbon

  • B) Amino group

  • C) Carboxylgroup

  • D) Variablegroup

  • Correct Answer: To be verified from official key

Question 147

  • Question: Identify the organiccompound thatcombines with phosphatidic acid to form lecithin

  • A) Glycerin

  • B) Choline

  • C) Cholesterol

  • D) Fructose

  • Correct Answer: To be verified from official key

Question 148

  • Question: Thebiopolymer that makes fungal cell wall is

  • A) Peptidoglycan

  • B) Chitin

  • C) Lignin

  • D) Pectin

  • Correct Answer: To be verified from official key

Question 149

  • Question: Themainfunction of Golgi complexis: SKN03100121696 Page12/12

  • A) Lipogenesis

  • B) Protein synthesis

  • C) Packingandprocessingofcell secretions D.Detoxification

  • D) Option D not clearly readable in source image.

  • Correct Answer: To be verified from official key

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