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PMC Leaked Questions by Hackers(2021)

This is PMC MDCAT Past Papers 2021 500+ Question Bank


BIOLOGY

1) Which structure realted to respiration in cockroach:

A) Spiracles

B) Voice box

C) Syrinx         

2) Playtyhelminthes are mostly:

A) endoparasite

B) ectoparasite

C) Free living

3) Pigs Are related to

A) HAV

B) HBV

C) HEV

D) HCV

4) Homologous pairs of chromosomes in Pisum sativum:

A) 7 pairs

B) 5 Pairs

C) 4 Pairs

5) Cyctoplasm and ribosomes present which part of axon

A) dendrite

B) Cell body

6) Which is spiral shape bacteria

A) Spirochete

B) Vibrio

7) Saccoglossus belong to which phylum:

A) Hemichordata

B) Chordate

C) Echinodermata

8) Enzyme react with substrate to give

A) Enzyme

B) Substrate

C) Product

9) Metacarpopalangeal joint is an example of

A) Candyloid joint

B) Hing joint

C) Ball and socket joint

10) HIV is spread by all fluid except

A) Rectal fluid

B) Blood

C) Saliva

D) Breast milk

 

 

11) The connection between two bones is:

A) Joint

B) Muscle

12) Enzymes for light dependent reaction present in

A) Thylakoid membrane of chloroplast

B) In stroma

C) In mitochondrial matrix

13) These structure form in chloroplast

A) Oxisome

B) Mesosome

C) Cyclosome

14) Components of glycosphingolipids are

A) Ceramid with sugars

B) Galactose and sphingosine

15) Electrons from NADPH is accept by Oxygen form how many ATPs

A) 2

B) 3



16) The richest phase of cellular respiration

A) Kreb cycle

B) Glycolysis

C) pyrovic acid oxidation

17) The hormone which produce in one organism change the behavior of other organism

A) Androgen

B) Testosterone

C) Pheromones

D) All of these

18) Which of the following bacteria is equal to the size of hyphen:

A) Eulopiscium fishelsoni

B) Compylobactor

C) E-Coli

19) Plant virus effect which part of the host

A) Tissue

B) Leave

C) Whole body

D) None

20) Which of the following reduce the chance of recombination and variation

A) linkage

B) Crossing over

C) independent assortment

21) The structure of prokaryote which involve in attachment:

A) Pilli

B) Flagella

C) Spore

 

 

22) For sterilization which of the following is use :

A) Dry heat

B) Moist heat

C) gemma rays

D) All of these

23) Heart is enclosed in

A) pericardium

B) Endocardium

C) Myocardium

24) The function of cytoskeleton in cell :

A) Mechanical support, cell motility , Structure maintainance

B) Mechanical support , Cell motility only

C) Mechanical support , Structure maintainance

25) In which condition brain produced more impulses than normal

A) Epilepsy

B) Alzehmer

C) Paralysis

26) Mutation is caused by

A) Gene

B) Environment

C) A and B

D) other competing organisms

27)  Liposomes are

A) vesicles

B) Have water

C) Drug carrier

D) All of above

 28) Virus for making viral RNA use whose RNA polymerase

A) Host RNA polymerase

B) Its RNA polymerase

C) Host DNA polymerase

29) Coagulation of bacteria means

A) normal

B) non-functional

C) functional

30) The step in cellular respiration give more ATP

A) Kreb cycle

B) Glycolysis

C) intracellular catalysis

31) Sertoli cells

A) provide liquid medium

B) protection

C) Nuritionment

D) All

 

 

 

32) Sterols are classified as

A) Lipids

B) Protein

C) carbohydrates

34) A crawling snail when we tab glass retract into its shell ultimately tapping has no effect this is form of learning

A) Imprinting

B) Habituation

C) Operation condition

D) Classical condition

35) Corpus luteum secrets which hormone:

A) LH

B) Progesterone

36) Corpus Callosum is:

A) interlink between right and left cerebral hemisphere

B) Part of medulla

C) Part of cerebral cortex

D) Both A and C

37)Which one of the following involve in lipid metabolism

A) RER

B) Golgi apparatus

C) Chloroplast

D) None

38) Which line is disappear in contraction of muscle

A) M-line

 39) What is incorrect about centriols :

A) Lie parallel to each other

Lamark was incharge of invertebrates collection at Natural history museum in

A) North America

B) Paris

40) Rh+ blood group may be:

A) rr

B) Rr

C) TT

D) None of these

 41) Terrestrial animal can tolerate dehydration by

A) Anhydrobiosis

42) The filament which is In I band and partly in A band

A) Actin filament

43) Which trait cannot pass from fathet to all of his son:

A) sex-linked recessive

B) Autosomal

 

 

 

CHEMISTRY:

44) Major classes of organic compounds :

A) Two

B) Three

C) Four

D) Five

45) Order and molecularity of SN2 reaction :

A) 2,2

B) 2,1

C) 1,1

46) General formula of Aldehyde and ketone

A) CnH2nO

B) CnH2nO2

C) CnH2n

47) All are AB2 type except

A) BeCl2

B) HgCl2

C) Both A and B

D) SO3

48) The change in concentration of reactants effect

A) Rate law

B) Order of reaction

C) Order of reactants

49) Which one of the following is used as hypnotic drug:

A) Ethanol trimer

B) ethanol tetramer

C) Chloral hydrate

D) None of these

50) With which Phenol react to form alkane:

A) CCl4

B) Br2/H2O

C) NaOH

D) ZnO  (Correct Zn)

51) The colour of compound [Ti(H2O)6]

A) Red and Blue

B) Violet

52) Which of the following form interstitial alloy

A) C

B) F

C) Cs

D) All

53) Ionization is inversly proportional to

A) nuclear charge

B) Smaller size of atom

C) Shielding effect

54) Which one of the following is very hard solid

A) Ionic solid

B) Molecular solid

C) Covalent Solid

55) The molecular theory for metallic Solids is :

A) Electron gas theory

B) Molecular orbital theory

56) Which flavor of benzylacetate

A) Jasmine

B) Pineapple

C) Banana

57) The radioactivity is

A) exponential decrease

B) exponential increase

58) The Addition of HCN to Aldehyde and ketone is

A) Nucleophilic Addition reaction

B) Nucleophilic substitution

59) Who discover neutron:

A) JJ Thomson

B) Chadwick

60) Radius ratio has units

A) nano meter

B) millimeter square

C) Unit less

61) What is the mass of PVC

A) 630000

B) 63000

62) Ethanoic acid and Ethanol react in the presence of mineral Acid to form

A) Ester

63) Grignard reagent react to produce Alkane

A) Alcohol

B) Water

C) Ammonia

D) All

64) Which of the following a small organic molecule bring functional group in enzymatic reaction :

A) Coenzyme

B) Cofactor

65) The main difference between Enzyme and inorganic catalyst

A) they work at low temperature

B) they work at high temperature

C) they are protein

66) The Temperature at which enzyme has maximum activity is called:

A) Optimum Temperature

B) Maximum PH

C) Maximum Temperature

 

67) Amino acids are absorbed in

A) Capillaries

B) lacteals

C) Both A and B

D) None of these

68) After stomach the digestion food occur in

A) Small intestine

69) The P.E per unit charge is equal to

A) Potential difference

B) Current

70) The hydrolysis of tertiary butyl bromide is

A) Third order reaction

B) First order

C) second order

D) Pseudo first order

71) Which one of the following is not amino acid

A) Glycine

B) Lactic acid

C) Lysine

72) Types of ligand in [PtCl(NO2) (NH3)]

A) 3

B) 4

C) 6

73) A word corresponds to methane gas:

A) mixture

B) Element

C) Compound

D) Fraction

74)  A gas mixture consists of 2 moles of oxygen and 4 moles of Argon at temperature T. Neglecting all vibrational moles, the total internal energy of the system is

A) 4RT

B) 5RT

C) 7RT

D) 11RT

 75) The isomerism arise due different Carbon atom on both sides of functional group is called

A) Metamerism

B) Tautomerism

C) Polymorphism

76) Which one of the following is not fatty acid

A) Pthalic Acid

B) Acetic acid

C) Butanoic acid

D) Propionic Acid

77) Pka Value of acetic acid:

A) 4.76

B ) 7.8

C) 5.9

78) NH4Cl and Ca(OH)2 are react to form Ammonia What is the mass of ammonia is produce when 100 gram of each is give

A) 31g

 79) Which of these gasses cannot bhi Liquify :

A) H2 and He

B) H2 and O2

C) H2 and N2

D) H2 and F2

80) Gas laws is applicable for which relation

A) Volume and external conditions

B) Volume and Temp

C) Volume and pressure

D) Volume and Number of moles

81) Which reaction is like alcohol combustion

A) Alkane + O2----> CO2 + H2O

B) Ethanoic acid + Ethanol ---> Ethylethanoat + H2O

C) Ethanol + Na -----> C2H2ONa

D) Ethanol + O2 -------> CO2 + H2O

82) In combustion analysis H2O and CO2 obsorb by :

A) Mg(CIO4)

B) 50% KOH

C) Both A and B

83) Find the oxidation state of Cr in K2Cr2O7

A) 4

B) 6

C) 8

PHYSICS:

84) Which of the following bulb has least resistance:

A) 50W

B) 100W

C) 200W        

D) 300W

85) Which is incorrect for photon

A) P = h/λ

B) E = hv

86) A whistler with velocity 33ms-1 approaches towards a stationary observer with frequency 450Hz what is the apparent frequency heard by the observer:

A) 500

B) 400

C) 430

87) An isolated parallel plate capacitor is charged upto a certain potential difference.When a 3mm thick slab is introduced between the plates then in order to maintain the same potential difference, the distance between the plates is increased by 2.4mm. Find the dielectric constant of the slab. (assume charge remains constant)

A) 5

B) 4

C) 2

88) AC cannot do :

A) Electroplating

B) Magnetization

C) Both A and B

D) None

89) AC generater convert:

A) mechanical energy to electrical energy

B ) Electrical energy into mechanical

90) If two charge positive and negative move in uniform magnetic field They will

A) Repel each other

B) Attracted eath other

C) Move in Circular path

D) move straight

91) If a charged body move against the electric field it will gain

A) P.E

B) K.E

C) Electric P.E

92) Radian is used to measure with angle

A) Large

B) Short

C) A and B

93) Fast moving photon behave as

A) Particles

B) Waves

C) A and B

94) The spectral lines in balmer series of H-atom are

A) 2

B) 3

C) 4

95) The frequency of photon of wavelength 500 nm

A) 6 × 1014Hz

B) 6 x 1015 Hz

C) 6 x 1016 Hz

96) Which rays one has highest ionization energy

A) Alpha

B) Beta

C) Gamma

D) All

97) The open circuit test is used in transformer to measure____loss.

A) Current

B) Voltage

C) Core

D) All of these

98) The sensitivity of galvanometer is called:

A) The deflection shown by microampere current

99) The slop of a-t graph for projectile motion is

A) Constant

B) Linear

C) non linear

D) Parabolic

100) Spin of photon is

A) Full

B) Half

C) Quarter

D) Zero

 101) Slop of work - time graph give:

A) Power

B) Force

102) Age of continent is measured by

A) Time

B) Temperature

C) Radiations

D) All of these

103) The half wave rectifier have input 10V its dc component is:

A) 10 / π

B) 20 /Ï€

C) 10/ 2

104) The formula of capacitance of parallel plate capacitance

A) Aá½³/d

B) Ad/á½³

105) The unit of energy

A) Calories

B) Kilocalories

C) Joule

D) All

106) The displacement is

A) Scalar some of all distance

B) Shortest distance between two points

C) Vectorial sum of all distance

D) All of these

107) Find potential difference when resistance is 40ohm and Current is 300 Amp

A) 12000V

B) 1200V

108) Find debroglie wavelength when mass is 500g and v is 15 ms-1?

A) 8.8 x 1035

B) 8.8 x 1025

109) Potentiometer is used to :

A) to compare potential difference

B) To measure potential difference

110) Centripetal acceleration :

A) is always directed toward center

B) is away from mean position

C) along the tangent

111) The earth rotate 360° in 24hr find its angle in 2 hr

A) 30°

B) 60

C) 70

112) Unit of Time period is

A) 1/s

B) Hz

C) Sec

113) Two charge q+ and q+ are seperated by distance joining the two nuclei if third charge (Q) is place at the centre find the ratio of Q/q

A) 2

B) 4

C) 42000

D) -1/4

114) The simple pandulum has P.E at mean position

A) Maximum

B) Minimum

115) In Wilson Cloud which rays leave no definite tracks along their path.

A) Gemma

B) Beta

C) Alpha

116) Certain mass attach to the spring it release from some distance extension in the spring given by

A) mg/k

B) m/gk

117) The athlete cover a horizontal distance it given by

A) Vi²(Sin2@)/g

B) Vi2/2g

118) In frequency modulation which is same

A) Frequency

B) Wavelength

C) Amplitude

D) All

119) The speed of object in particular direction is called

A) Velocity

120) Value of Rydberg constant

A) 1.09 × 10^7

ENGLISH:

121) Choose correct punctuated sentence

A) He said, "Can you sing National Anthem for me?"

122) I forbid you not to go there again

A) no error

B) not to go

C) there

D) Again

 

 

 

123) He got up early ___8'O clock __the morning

A) at __in

B) at __ at

C) at__on

124) The volcano will ------ by now any time

A) Expand

B) Erupt

 

LOGICAL REASONING:

125) The saddle is not without ...

A) Seat

126) The winner is not without ...

A) Speaking

B) winning

127) What comes next 8 , 11, 9 , 12 ,

A) 10

B) 13

C) 6

 

 


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