FLP-12
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SAEED MDCAT FLP SESSION 2022
PHYSICS =50
CHEMISTRY= 50
BIOLOGY= 50
ENGLISH =30
LOGICAL REASIOING =20
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- Answered
- Review
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Question 1 of 200
1. Question
1 pointsCategory: PhysicsWave nature of light is proved by:
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Question 2 of 200
2. Question
1 pointsCategory: PhysicsIn electron microscope image formed is
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Question 3 of 200
3. Question
1 pointsCategory: PhysicsMinimum energy required for pair production is:
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Question 4 of 200
4. Question
1 pointsCategory: PhysicsA full wave rectifier is operating from 50Hz mains. Fundamental frequency of ripple will be
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Question 5 of 200
5. Question
1 pointsCategory: PhysicsWork function depends on:
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Question 6 of 200
6. Question
1 pointsCategory: PhysicsCharge of photon is
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Question 7 of 200
7. Question
1 pointsCategory: PhysicsWhich light has more velocity
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Question 8 of 200
8. Question
1 pointsCategory: PhysicsWhat will be the de-Broglie wavelength when the kinetic energy of the electron increases by 5 times?
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Question 9 of 200
9. Question
1 pointsCategory: Physicsp-n junction when reversed biased acts as a ______________
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Question 10 of 200
10. Question
1 pointsCategory: PhysicsIf n number of photon are striking on a metal surface, then total momentum exerted is ___________
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Question 11 of 200
11. Question
1 pointsCategory: PhysicsDuring the half wave rectification, when diode is reverse biased the voltage drop across load resistance is
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Question 12 of 200
12. Question
1 pointsCategory: PhysicsDe-Broglie waves are associated with
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Question 13 of 200
13. Question
1 pointsCategory: PhysicsAs the intensity of incident light increases
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Question 14 of 200
14. Question
1 pointsCategory: PhysicsDe-Broglie wavelength associated with an electron at a speed of 1 × 106m/s
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Question 15 of 200
15. Question
1 pointsCategory: PhysicsThe relation between energy “E” and momentum “P” for photon is
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Question 16 of 200
16. Question
1 pointsCategory: PhysicsEinstein’s Photoelectric equation is in this equation EK measure
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Question 17 of 200
17. Question
1 pointsCategory: PhysicsStopping potential depends upon
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Question 18 of 200
18. Question
1 pointsCategory: PhysicsA p-n junction diode can be used as
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Question 19 of 200
19. Question
1 pointsCategory: PhysicsFor a given speed, which of the following has the shortest de-Broglie wavelength?
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Question 20 of 200
20. Question
1 pointsCategory: PhysicsUltraviolet radiation of 6.2 eV falls on an aluminum surface having work function = 4.2 eV. The kinetic energy of the fastest electron emitted is
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Question 21 of 200
21. Question
1 pointsCategory: PhysicsWhich photon of radiation having maximum energy
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Question 22 of 200
22. Question
1 pointsCategory: PhysicsThe stopping potential to prevent electrons from flowing across a photo electric cell is 4.0V. What maximum K.E is given to the electrons by the incident light?
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Question 23 of 200
23. Question
1 pointsCategory: PhysicsIf are the respective kinetic energies of an electron, an alpha-particle and a proton, each having the same de-Broglie wavelength then
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Question 24 of 200
24. Question
1 pointsCategory: PhysicsThe momentum of photon is 3.3 × 10-29kgm/s. Its frequency will be
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Question 25 of 200
25. Question
1 pointsCategory: PhysicsLet nr and nb be respectively the number of photons emitted by a red bulb and a blue bulb of equal power in a given time. Then
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Question 26 of 200
26. Question
1 pointsCategory: PhysicsThe De-Broglie of wavelength of particle of mass moving with the kinetic energy
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Question 27 of 200
27. Question
1 pointsCategory: PhysicsDavisson and Germer indicates _______ in their experiment.
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Question 28 of 200
28. Question
1 pointsCategory: PhysicsThe electrons behave as waves because they can be:
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Question 29 of 200
29. Question
1 pointsCategory: PhysicsIn Davison and Germer experiment, the angle between incident beam and diffracted beam is called:
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Question 30 of 200
30. Question
1 pointsCategory: PhysicsThe reverse process of photoelectric effect is
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Question 31 of 200
31. Question
1 pointsCategory: PhysicsWave nature of light appears in
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Question 32 of 200
32. Question
1 pointsCategory: PhysicsThe magnitude of de-Broglie wavelength of electrons (e), proton (p), neutron (n), and particles all have the same energy 1 MeV, in increasing order will follow the sequence.
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Question 33 of 200
33. Question
1 pointsCategory: PhysicsOf the following moving with same momentum, the one which has largest wavelength is:
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Question 34 of 200
34. Question
1 pointsCategory: PhysicsWave is associated with matter
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Question 35 of 200
35. Question
1 pointsCategory: PhysicsDual nature of radiation is shown by
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Question 36 of 200
36. Question
1 pointsCategory: PhysicsThe kinetic energy of electron and proton is 10−32J. Then the relation between their de-Broglie wavelengths is
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Question 37 of 200
37. Question
1 pointsCategory: PhysicsIf the momentum of a photon is p, then its frequency is
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Question 38 of 200
38. Question
1 pointsCategory: PhysicsFull wave rectifier called center-tap design, uses
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Question 39 of 200
39. Question
1 pointsCategory: PhysicsHal wave rectifier circuit uses ________ to couple the AC input voltage from the source to the rectifier
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Question 40 of 200
40. Question
1 pointsCategory: PhysicsIn half wave rectifier the peak inverse voltage (PIV) is the maximum voltage that the rectifying diodes has to withstand, when it is
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Question 41 of 200
41. Question
1 pointsCategory: PhysicsThe work function of a metal is 6.63 eV, its threshold frequency is:
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Question 42 of 200
42. Question
1 pointsCategory: PhysicsIn photoelectric effect, the graph showing the variation of cut – off voltage (V0) with the frequency of incident radiation (f) is
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Question 43 of 200
43. Question
1 pointsCategory: PhysicsIndivisible tiny bundles of energy in electromagnetic radiation is named as
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Question 44 of 200
44. Question
1 pointsCategory: PhysicsIn photoelectric effect when monochromatic light is allowed to shine on cathode, it begins to
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Question 45 of 200
45. Question
1 pointsCategory: PhysicsIn a half wave rectifier, the current through load resistance flows only in
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Question 46 of 200
46. Question
1 pointsCategory: PhysicsA proton, accelerated through a p.d V has a certain de Broglie wavelength. In order to have the same de Broglie wavelength, an – particle must be accelerated through a potential difference
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Question 47 of 200
47. Question
1 pointsCategory: PhysicsA material particle with a rest mass mo is moving with speed of light c. The associated de-Broglie wavelength is given by
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Question 48 of 200
48. Question
1 pointsCategory: PhysicsIf an electron is accelerated through a potential difference of 54 volts, its de-Broglie wavelength will be:
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Question 49 of 200
49. Question
1 pointsCategory: PhysicsThe momentum of photon is 3.3 × 10-29kgm/s. Its frequency will be
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Question 50 of 200
50. Question
1 pointsCategory: PhysicsWhen the frequency of incident photon is just equal to threshold frequency, the K.Emax of photoelectron is
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Question 51 of 200
51. Question
1 pointsCategory: ChemistryWhich of the following is deciding factor for reactivity of alkyl halide
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Question 52 of 200
52. Question
1 pointsCategory: Chemistry2-Iodo-2-methylpentane is an example of
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Question 53 of 200
53. Question
1 pointsCategory: ChemistryBy considering the factor ‘Bond Energy’ which is the correct order for reactivity of R – X?
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Question 54 of 200
54. Question
1 pointsCategory: ChemistryIn SN reactions of alkyl halides, Nucleophile attacks on
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Question 55 of 200
55. Question
1 pointsCategory: ChemistryAttacking of Nucleophile and leaving of leaving group happens simultaneously in:
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Question 56 of 200
56. Question
1 pointsCategory: ChemistryDuring SN1 mechanism, change in state of hybridization of carbon atom in first step is
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Question 57 of 200
57. Question
1 pointsCategory: ChemistryThe rate equation, Rate = k [Alkyl Halide] can be considered for
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Question 58 of 200
58. Question
1 pointsCategory: ChemistrySN1 reaction can be best carried out with _______
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Question 59 of 200
59. Question
1 pointsCategory: ChemistryThe mechanism involved in the given reaction is
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Question 60 of 200
60. Question
1 pointsCategory: ChemistryIn tertiary alkyl halides, the halogen atom is attached to a carbon atom which is further attached to _______ carbon atoms.
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Question 61 of 200
61. Question
1 pointsCategory: ChemistryThe intermediate formed during SN2 mechanism has hybridization
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Question 62 of 200
62. Question
1 pointsCategory: ChemistryThe product formed when excess of ammonia is allowed to react with ethyl bromide.
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Question 63 of 200
63. Question
1 pointsCategory: ChemistryWhat is the product formed in given reaction? CH3CH2Cl + CH3COONa →?
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Question 64 of 200
64. Question
1 pointsCategory: ChemistryIn β-Elimination reaction, nucleophile attacks on
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Question 65 of 200
65. Question
1 pointsCategory: Chemistry
X in the above reaction is:Correct
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Question 66 of 200
66. Question
1 pointsCategory: ChemistryCN- attacks on which alkyl halide to give propane nitrile?
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Question 67 of 200
67. Question
1 pointsCategory: ChemistryIf OH– attacks on electrophilic carbon atom of alkyl halide, the product is _____ and if it attacks on β – hydrogen the product is ________.
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Question 68 of 200
68. Question
1 pointsCategory: ChemistryThe order of the given reaction is: (CH3)3CBr + OH- → (CH3)3COH + Br –
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Question 69 of 200
69. Question
1 pointsCategory: ChemistryFirst step is same for which mechanism
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Question 70 of 200
70. Question
1 pointsCategory: Chemistry50% retention of molecule configuration is observed in
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Question 71 of 200
71. Question
1 pointsCategory: ChemistryWhich of the following compound will follow both SN1 and SN2 mechanism?
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Question 72 of 200
72. Question
1 pointsCategory: ChemistryCnH2n+2O is the general formula of
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Question 73 of 200
73. Question
1 pointsCategory: ChemistryHydroxy derivatives of paraffins are
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Question 74 of 200
74. Question
1 pointsCategory: ChemistryIn the reaction of alcohol, if the intermediate forms is a carbocation, this means that
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Question 75 of 200
75. Question
1 pointsCategory: ChemistryAlcohol + Carboxylic acid Ester + Water For above reaction, reactivity order of alcohols is:
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Question 76 of 200
76. Question
1 pointsCategory: ChemistryEthers can be obtained from alcohols by which type of reaction.
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Question 77 of 200
77. Question
1 pointsCategory: ChemistryDue to involvement of negative charge of oxygen in the ring of benzene
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Question 78 of 200
78. Question
1 pointsCategory: ChemistryThe order of reactivity of alcohols when C – O bond breaks:
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Question 79 of 200
79. Question
1 pointsCategory: Chemistry2-Bromopropane + KOH(aq)
What are X and Y in above reaction?Correct
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Question 80 of 200
80. Question
1 pointsCategory: ChemistryPhenol on reaction with concentrated nitric acid produces
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Question 81 of 200
81. Question
1 pointsCategory: ChemistryWhich pair is incorrectly matched?
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Question 82 of 200
82. Question
1 pointsCategory: ChemistryUpon hydrogenation of phenol at 150°C in the presence of Ni catalyst, we get
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Question 83 of 200
83. Question
1 pointsCategory: ChemistryWhen aliphatic aldehyde is treated with Fehling’s solution, a brick-red precipitate of ______ is formed
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Question 84 of 200
84. Question
1 pointsCategory: ChemistryPhenyl hydrazone is formed on treatment of carbonyl compound with
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Question 85 of 200
85. Question
1 pointsCategory: ChemistryWhich of the following reagent reacts with both aldehydes and ketones
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Question 86 of 200
86. Question
1 pointsCategory: ChemistryAldehydes and ketones are functional group isomers with general formula
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Question 87 of 200
87. Question
1 pointsCategory: ChemistryIsobutyl alcohol on oxidation gives compound, which contains functional group of
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Question 88 of 200
88. Question
1 pointsCategory: ChemistryWhy is it necessary to distill aldehyde formed from oxidation of primary alcohol through acidified potassium dichromate (VI) solution or acidified sodium dichromate (VI) solution?
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Question 89 of 200
89. Question
1 pointsCategory: ChemistryWhat are X and Y in the given reaction
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Question 90 of 200
90. Question
1 pointsCategory: ChemistryWhich of the following is most reactive
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Question 91 of 200
91. Question
1 pointsCategory: Chemistry
Which of the following reagent is used for above reactionCorrect
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Question 92 of 200
92. Question
1 pointsCategory: ChemistryCannizzaro’s reaction is given by
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Question 93 of 200
93. Question
1 pointsCategory: ChemistryFormaldehyde reacts with HCN (NaCN + HCl) to give a compound
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Question 94 of 200
94. Question
1 pointsCategory: ChemistryIodoform test will not be positive with
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Question 95 of 200
95. Question
1 pointsCategory: ChemistryThe reaction of aldehydes and ketones with ammonia derivative G-NH2 to form compounds containing the group and water is known as _________reaction.
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Question 96 of 200
96. Question
1 pointsCategory: ChemistryWhich of the following give positive iodoform test as well as silver mirror test
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Question 97 of 200
97. Question
1 pointsCategory: ChemistryAldehydes and small methyl ketones react with a saturated aqueous solution of sodium bisulphite to form a crystalline
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Question 98 of 200
98. Question
1 pointsCategory: ChemistryAldehyde and ketone react with hydroxylamine to form _____
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Question 99 of 200
99. Question
1 pointsCategory: ChemistryReaction of ethanal and propanone with HCN is example of ______ reaction
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Question 100 of 200
100. Question
1 pointsCategory: ChemistryAldehyde and ketone react with 2,4-DNPH to form _____
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Question 101 of 200
101. Question
1 pointsCategory: BiologyWhich of the following is found in the interstitial connective tissue of testis?
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Question 102 of 200
102. Question
1 pointsCategory: BiologyLocation of Leydig cells and their secretions are:
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Question 103 of 200
103. Question
1 pointsCategory: BiologyWhich of the following is correct about mammalian testes?
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Question 104 of 200
104. Question
1 pointsCategory: BiologyRete testis opens to:
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Question 105 of 200
105. Question
1 pointsCategory: BiologyIf the vasa differentia of a man are surgically cut or blocked:
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Question 106 of 200
106. Question
1 pointsCategory: BiologyCowper’s gland secretes a substance to:
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Question 107 of 200
107. Question
1 pointsCategory: BiologyWhich of the following sugars in semen is a source of energy for the spermatozoa?
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Question 108 of 200
108. Question
1 pointsCategory: BiologySupporting cells found in between the germinal epithelium of testis are called:
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Question 109 of 200
109. Question
1 pointsCategory: BiologyGraafian follicles are formed from:
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Question 110 of 200
110. Question
1 pointsCategory: BiologyThe release of mature ovum from graafian follicle is known as:
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Question 111 of 200
111. Question
1 pointsCategory: BiologyAfter ovulation, the collapsed ovarian follicle shrinks and becomes filled with cells to form:
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Question 112 of 200
112. Question
1 pointsCategory: BiologyWhen both ovaries are removed from a rat which hormone is decreased in blood:
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Question 113 of 200
113. Question
1 pointsCategory: BiologyThe starting of menstruation in girls is:
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Question 114 of 200
114. Question
1 pointsCategory: BiologyGraafian follicle is maintained by:
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Question 115 of 200
115. Question
1 pointsCategory: BiologyWhich of the following statements is incorrect about menstruation?
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Question 116 of 200
116. Question
1 pointsCategory: BiologyOvulation in the human female normally takes place:
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Question 117 of 200
117. Question
1 pointsCategory: BiologyWhich one of the following pairs is diploid?
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Question 118 of 200
118. Question
1 pointsCategory: BiologyIn humans, at the end of first meiotic division, the male germ cells differentiates into the:
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Question 119 of 200
119. Question
1 pointsCategory: BiologyPolar bodies are produced during the formation of:
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Question 120 of 200
120. Question
1 pointsCategory: BiologyDuring oogenesis in mammals, the second meiotic division occurs:
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Question 121 of 200
121. Question
1 pointsCategory: BiologyWhich statement about oocytes is true?
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Question 122 of 200
122. Question
1 pointsCategory: BiologyOn average, the sperms released to fertilize ovum are active for how many days?
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Question 123 of 200
123. Question
1 pointsCategory: BiologyContraceptive oral pills used by females help in birth control by:
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Question 124 of 200
124. Question
1 pointsCategory: BiologyBesides activating the egg, another role of a sperm is to carry to egg:
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Question 125 of 200
125. Question
1 pointsCategory: BiologyWhich of these is not a major functional characteristic of muscle?
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Question 126 of 200
126. Question
1 pointsCategory: BiologyStructural and functional unit of contractile apparatus in striated muscle is called:
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Question 127 of 200
127. Question
1 pointsCategory: BiologyWhich of the following proteins is found in the thick filaments of skeletal muscles?
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Question 128 of 200
128. Question
1 pointsCategory: BiologyMyosin myofilaments are:
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Question 129 of 200
129. Question
1 pointsCategory: BiologyWhich of the following is the contractile protein of a muscle?
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Question 130 of 200
130. Question
1 pointsCategory: BiologyDuring contraction of skeletal muscle Ca2+ bind to:
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Question 131 of 200
131. Question
1 pointsCategory: BiologyIf a muscle undergoes a rapid contraction and relaxation, the sarcoplasmic reticulum extension:
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Question 132 of 200
132. Question
1 pointsCategory: BiologyRigidity that develops in the muscle after death is known as:
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