Free PMT Mock Practice Test Physics Chemistry Biology Botany Zoology

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Test Containing Physics Chemistry Biology Botany Zoology

Zoology

1. Which of the following is the most, sparsely populated state of India?

(a) Manipur

(b) Rajasthan

(c) Meghalaya

(d) Arunachal Pradesh

Ans. (d)

2. The interferons are:

(a) Antiviral proteins

(b) Antibiotic proteins

(c) Antigen proteins

(d) Antibacterial particle

Ans. (a)

3. Which of the following organism is useful in the preparation of Roquefort cheese?

(a) Mucor

(b) Rhizopus

(c) Aspergillus

(d) Penicillium

Ans. (d)

4. Who coined the term antibiotics?

(a) Darwin

(b) Woodruff

(c) Flemming

(d) Selman Waksman

Ans. (d)

5. A complex polysaccharide produced from sucrose by the bacterium Leuconostoc

Mesenteries is

(a) Chitin

(b) Starch

(c) Cellulose

(d) Dextrin

Ans. (d)

6. Which of the following Il type is capable of giving rise to other cell types in sponges?

(a) Archaeocytes

(b) Neocytes

(c) Collenocytés

(d) Pinacocytes

Ans. (a)

7. Haemocyanin is found in:

(a) Annelida

(b) Protozoa

(c) Echinodermata

(d) Mollusca

Ans. (d)

8. Flat worms and ribbon worms have?:

(a) Bilateral symmetry

(b) Organ level of organization

(c) Mesoderm

(d) All of the above

Ans. (d)

9. Number of essential amino acids in a man is:

(a) 7

(b) 14

(c) 21

(d) 28

Ans. (a)

10. Binomial nomenclature system was proposed by:

(a) Tippo

(b) Linnaeus

(c) Whittaker

(d) Hutchinson

Ans. (b)

11. Correct pair of sanctuary and protected wild animal is:

(a) Sunder ban-Rhino

(b) Kaziranga-Musk deer

(c) Gir-Lion

(d) Corbett-White lion

Ans. (c)

12. Tube feet is a characteristic feature of:

(a) Cray fish

(b) Starfish

(c) Cuttle fish

(d) Jelly fish

Ans. (b)

13. Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are:

(a) Mammals and mollusca

(b) Frog and fish

(c) Insect and earthworm

(d) Birds and lizards

Ans. (d)

14. Mammary glands without teats are present in:

(a) Prototheria

(b) Metatheria

(c) Eutheria

(d) Agnetha

Ans. (a)

15. During blood clotting, the platelets release:

(a) Thrombin

(b) Prothrombin

(c) Fibrin

(d) Thrombokinase

Ans. (d)

16. In human zygote, the male sex is determined by:

(a) Strength of male chromosome

(b) Father is stronger than mother

(c) Required composition of chromosomes

(d) Mothers as it get good nutrition

Ans. (c)

17. The component of pectoral girdle is

(a) Acetabulum

(b) Sternum

(c) Ilium

(d) Glenoid cavity

Ans. (d)

18. Micturition reflex is related to

(a) Ovulation

(c) Fertilization

(b) Copulation

(d) Urination

Ans. (d)

19. Gonadotrophins are secreted from:

(a) Gonads

(b) Anterior pituitary

(c) Posterior pituitary

(d) Thyroid

Ans. (b)

20. Which of the following gas make most stable product with hemoglobin?

(a) O2

(b) GO2

(c) CO

(d) SO2

Ans. (c)

21. Correct statement with reference to a test tube baby is:

(a) The fertilized egg is placed in the womb of the mother where the gastrula period is completed

(b) Unfertilized egg is placed in the womb and allowed to grow parthenogenetically

(c) A prematurely born baby is reared in an incubator

(d) Fertilized egg is taken out and grown in a large test tube

Ans. (a)

22. Which of the following is not correct about antibiotics?

(a) The term was given by Waksman in 1942

(b) Antibiotics are produced by microorganisms

(c) Antibiotics can induce allergy

(d) Antibiotics are capable of curing all the diseases

Ans. (d)

23. Which of the following is the correct group’ of vestigial organs in man?

(a) Wisdom teeth, body hairs, nictitating membrane and vermiform appendix

(b) Appendix, coccyx, ear muscles and elbow joint

(c) Nictitating membrane, ear muscles, eyelids and coccyx

(d) Wisdom tooth, coccyx, body hair and ear muscles

Ans. (a)

24. Formation of primitive streak in the chick embryo is the first sign of:

(a) Notogenesis

(b) Gastrulation

(c) Mutagenesis

(d) Blastulation

Ans. (b)

25. Which of the following is a termination codon for the biosynthesis of protein?

(a) UAA

(b) UAG

(c) UGA

(d) All of these

Ans. (d)

Botany

26. The fertilization in which male gametes are carried through pollen tube is known as:

(a) Syngamy

(b) Porogamy

(c) Siphonogamy

(d) Chalazogamy

Ans. (c)

27. Which of the following theory gives the latest explanation for the closure of stomata?

(a) ABA theory

(b) Munch theory

(c) Starch glucose theory

(d) Active K transport theory

Ans. (a)

28. Loss of liquid water by Guttation occurs through:

(a) Hydathodes

(b) Stomata

(c) Cuticle

(d) Bark

Ans. (a)

29. Which of the following is the first compound that accepts carbon dioxide during dark phase of photosynthesis?

(a) NADP

(b) RuBP

(c) Ferridoxin

(d) Cytochrome

Ans. (b)

30. Oxygen which is liberated during photosynthesis comes from:

(a) CO₂

(b) H₂O

(c) Chlorophyll

(d) Phosphoglyceric acid

Ans. (b)

31. In C₄ plants, the carbon dioxide fixation occurs in:

(a) Guard cells

(b) Spongy cells

(c) Palisade cells

(d) Bundle sheath cells

Ans. (d)

32. Ethyl alcohol is commercially manufactured from:

(a) Bajra

(b) Grapes

(c) Maize

(d) Sugarcane

Ans. (d)

33. Last electron acceptor in respiration is:

(a) O₂

(b) H₂

(c) CO₂

(d) NADH

Ans. (a)

34. A hormone delaying senescence is:

(a) Auxin

(b) Cytokines

(c) Ethylene

(d) Gibberellin

Ans. (b)

35. Which of the following induces flowering in long day plants?

(a) Gibberellins

(c) Auxin

(b) Cytokinin

(d) Ethylene

Ans. (a)

36. What name has been assigned to the genus produced by a cross between cabbage and radish?

(a) Secale

(b) Bursa pastoris

(c) Lysogenicophyll

(d) Raphanobrassica

Ans. (d)

37. Genetic counselors can identify heterozygous individuals by:

(a) Height of individuals

(b) Colour of individuals

(c) Screening procedures

(d) All of the above

Ans. (c)

38. The term heterosis was first coined by:

(a) McClintock

(b) Poweri

(c) Swami Nathan

(d) None of these

Ans. (d)

39. Somatic hybridization is a technique of:

(a) Natural breeding

(b) Natural pollination

(c) Artificial pollination

(d) Somatic cells hybridization

Ans. (d)

40. Which of the following is initiation codon in eukaryotes?

(a) UAG

(b) UGA

(c) UAA

(d) AUG

Ans. (d)

41. Which of the following species are restricted to an area?

(a) Sibling species

(b) Endemic species

(c) Allopathic species

(d) Sympatric species

Ans. (b)

42. Biological concept of species is mainly based on:

(a) Reproductive isolation

(b) Morphological features only

(c) Methods of reproduction only

(d) Morphology and methods of reproduction

Ans. (a)

43. Which of the following supports a dense population of plankton and littoral vegetation?

(a) Oligotrophic

(b) Eutrophic

(c) Lithotrophic

(d) Ageroecotrophic

Ans. (b)

44. A man-made ecosystem is:

(a) Less in diversity

(b) More in diversity

(c) Man does not make ecosystem

(d) More stable than natural ecosystem

Ans. (a)

45. Crop rotation is used by farmers to increase:

(a) Soil fertility

(b) Community area

(c) Organic content of soil

(d) Nitrogenous content in the soil

Ans. (a)

46. Which of the following organism form the decomposers?

(a) Pteris

(b) Bacteria

(c) Saprophytic fungi

(d) Both (b) and (c)

Ans. (d)

47. Fly-ash is a/an:

(a) Insectivorous plant

(b) Light airbom particulate matter

(c) new name of orchid plant

(d) Causal organism of various diseases

Ans. (b)

48. Some effects of sulphur dioxide and its transformation products on plant include:

(a) Plasmolysis

(b) Golgi body destruction

(c) Protein dis-integration

(d) Chlorophyll destruction

Ans. (d)

49. Which of the following plant is used for the purification of water?

(a) Beggiata

(b) Chiorella

(d) Eichhornia

(c) Spirogyra

Ans. (d)

50. In the treatment of waste water discharge, which treatment stage involves biological treatment?

(a) Primary treatment

(b) Secondary treatment

(c) Tertiary treatment

(d) Reverse osmosis stage

Ans. (b)

Chemistry

51. A sample of oxygen gas is collected over water at 23°C at a pressure of 751 mm Hg (vapour pressure of water at 23°C is 21 mm Hg). The partial pressure of oxygen in the sample collected is:

(a) 730 mm

(b) 710 mm

(c) 751 mmHg

(d) 2l mmHg

Ans. (a)

52. Which chemical decreases the H+ ion concentration of an acetic acid solution?

(a) AgNO₃

(b) NaCN

(c) Al₂ (SO₄)₃

(d) NH4C1

Ans. (b)

53. 2.0 g of CH4 on combustion produce 25 kcal. Heat of combustion of CH4 would be:

(a) 200 kcal

(b) 400 kcal

(c) 500 kcal

(d) 600 kcal

Ans. (a)

54. Philosopher’s wool is:

(a) ZnCl2

(b) ZnS

(c) Zn (N03)2

(d) ZnO

Ans. (d)

55. Which one of the dissociation constant?

(a) CHCl2COOH

(b) CH2C1COOH

(c) CH3COOH

(d) CC13COOH

Ans. (c)

56. Soaps can be classified as:

(a) Esters

(b) Salts of fatty acids

(c) Alcohols

(d) Phenols

Ans. (b)

57. Acetaldehyde and benzaldehyde can be distinguished by:

(a) Schiff’s solution

(b) Fehling’s solution

(c) Tollen’s reagent

(d) Hydrogen cyanide

Ans. (b)

58. Butter is:

(a) Water dispersed in oil

(b) Fat dispersed in water

(c) Fat dispersed in milk

(d) Water dispersed in fat

Ans. (d)

59. Solder is:

(a) Pb + Sn

(b) Pb + Zn

(c) Sn + Fe

(d) Zn + Sn

Ans. (a)

60.Zeeman effect explains splitting of lines in:

(a) Magnetic field

(b) Electric field

(c) Both of these

(d) None of these

Ans. (a)

61. Isotonic solutions have:

(a) Same vapour pressure

(b) Same temperature

(c) Same osmotic pressure

(d) Same freezing point

Ans. (c)

62. By passing a beam of light through a colloidal solution, it is

(a) Refracted

(b) Absorbed

(c) Scattered

(d) Reflected

Ans. (c)

63. Evaporation of water is:

(a) Endothermic change

(b) Exothermic change

(c) No heat change takes place

(d) Chemical reaction

Ans. (a)

64. The Baeyer’s reagent is:

(a) Alkaline KMnO₄ solution

(b) Acidic KMnO₄ solution

(c) Neutral KMnO₄ solution

(d) Saturated KMnO₄ solution

Ans. (a)

65. Ethyl amine reacts with chloroform and potassium hydroxide to produce:

(a) Ethyl chloride

(b) Ethyl isocyanides

(c) Ethyl cyanide

(d) Ethyl alcohol

Ans. (b)

66. Philosopher’s wool on heating with BaO at 1100°C produce:

(a) BaZnO₂

(b) BaO₂+Zn

(c) Ba+ZnO₂

(d) BaCdO₂

Ans. (a)

67. Fluorine, chlorine, bromine and iodine are placed in the same group 17 of the, periodic table because:

(a) They are nonmetals.

(b) They are electronegative

(c) Their atoms are generally univalent

(d) They have 7 electrons in the outermost shell of their atom

Ans. (d)

68. The rate of reaction depends upon the:

(a) Pressure

(b) Volume

(c) Concentration of reactants

(d) Force

Ans. (c)

69. Which of the following has highest chlorine content?

(a) Chloral

(b) Iodoform

(c) DDT

(d) Carbon tetrachloride

Ans. (c)

70. An aqueous solution containing 1 g of urea boils at 100.25°C. The aqueous solution containing 3 g of glucose in the same volume will boil at (mol. wt. of urea 60 and of glucose = 180)

(a) 100.25°C

(b) 100°C

(c) 100.15°C

(d) 100.50°C

Ans. (a)

71. The concentration unit independent of temperature is:

(a) Molarity

(b) Molality

(c) Normality

(d) Formality

Ans. (b)

72. Tautomerism is exhibited by:

(a) (CH₃)2NH

(b) (CH₃)3CNO

(c) RCH2NO₂

(d) R3CNO₂

Ans. (c)

73. Nitrogen is obtained by the thermal decomposition of:

(a) NH4NO₂

(b) NH4NO₃

(c) AgNO₃

(d) Pb (NO₃)₂

Ans. (a)

74. Which of the following gases will have highest rate of diffusion?’

(a) CO2

(b) NH3

(c) O2

(d) N2

Ans. (b)

75. Zn and I2 reacts to form Zn12, which one is oxidized:

(a) Zinc ion

(b) Iodine ion

(c) Zinc atom

(d) Iodine

Ans. (a)

Physics

76. A body covers 200 cm in the first 2 s and 220 cm in the next 4 5. The velocity of the body at the end of the 7th second will be:

(a) 30 cm/s

(b) 25 cm/s

(c) 10 cm/s

(d) 15 cm/s

Ans. (c)

77. The escape velocity of a body from the earth is 11.2 km/s. If the radius of a planet is one fourth the radius of earth and its mass be one eighth that of the earth, then the escape velocity from planet will be:

(a) 38.34 km/s

(b) 16 km/s

(c) 4.25 km/s

(d) 7.92 km/s

Ans. (d)

78. A body, thrown upwards with same velocity, reaches the maximum height of 50 m. Another body of double the mass thrown up with double the velocity will reach a maximum height of:

(a) 800 m

(b) 400 m

(c) 200 m

(d) 100 m

Ans. (c)

79. A body of mass 1 kg is suspended by a thread it is:

(i) Lifted up with an acceleration of 4.9 m/s2,

(ii) Lowered with an acceleration of 4.9 m/s2.

The ratio of tensions in the thread will be:

(a) 2:1

(b) 1:4

(c) 1:3

(d) 3:1

Ans. (d)

80. An object producing a pitch of 1200 Hz is moving with a velocity of 50 m/s towards a stationary person. If the velocity of sound is, 350 m/s, then frequency of sound heard by a stationary person is:

(a) 250 Hz

(b) 1050 Hz

(c) 1200 Hz

(d) 1400 Hz

Ans. (d)

81. A wire when heated shows a 2% increase in length. The decrease in cross-sectional area will be:

(a) 4π

(b) 4%

(c) 2%

(d) 1%

Ans. (c)

82. A motor car is traveling at 30 m/s on a circular road of radius 500 m. It is increasing in speed at the rate of 2 m/s2. Then the acceleration of the car will be:

(a) 4 m/s2

(b) 3m/s2

(c) 2.7 m/s2

(d) 8m/s2

Ans. (c)

83. A body is dropped on to the floor from a height of 10 m. It rebounds to a height of 2.5m. If the body is in contact with the floor for 0.01 s, then the average acceleration during the contact will be (g = 10 m/s2)

(a) 2835m/s2

(b) 2250m/s2

(c) 1450 m/s2

(d) 758 m/s2

Ans. (b)

84. A disc revolves in a horizontal plane at a steady rate of 3rev/s. A coin is placed at a distance of 2 cm from the axis of rotation remains at rest on the disc. The coefficient of friction between the coin and disc will be (g = 9.8 m/s2)

(a) 0.8249

(b) 0.7049

(c) 0.7243

(d) None of these

Ans. (c)

85. At which temperature the Fahrenheit and Centigrade scales are equal?

(a) -48°

(b) – 40°

(c) 37°

(d) 40°

Ans. (b)

86. A 1cm long string vibrates with a frequency of 256 Hz. If the length is taken 0.25 cm, keeping the tension unaltered, then new frequency will be:

(a) 1024 Hz

(b) 1050 Hz

(c) 64Hz

(d) 512 Hz

Ans. (a)

87. Relation between critical angle of water and glass will be

(a) Cw=Cg=0

(b) Cw =Cg

(c) Cw <Cg

(d) Cw >Cg

Ans. (d)

88. A disc of mass 10 g is kept floating horizontally by throwing 10 marbles per second against it from below. If the mass of the e6ch marble is 5 g, what will be velocity with which the marbles are striking the disc? Assume that the marbles strike the disc normally and rebound downwards with the same speed:

(a) 2.98 m/s

(b) 0.98 m/s

(c) 0.49 m/s

(d) 1.96 m/s

Ans. (b)

89. An aeroplane is flying horizontally with a velocity of 600 km/h at a height of 1960 m when it is vertically above the point A on the ground. A body is dropped from it. The body strikes the point B on the ground. The distance AB will be:

(a) 6.66 km

(b) 3.33 km

(c) 1.55km

(d) None of these

Ans. (b)

90. A 16 kg block moving with velocity 4 m/s on a frictionless surface compresses an ideal spring and comes to rest. If the force constant of the spring be 100 N/m. Then the spring will be compressed of length:

(a) 3.2m

(b) 1.6m

(c) 0.8 m

(d) None of these

Ans. (b)

91. Two springs have spring constants k 1 and k 2 (k1 > k2). On which spring more work will be done, if they are stretched by the same force?

(a) First spring

(b) Second spring

(c) Both the spring

(d) None of these

Ans. (b)

92. There is hole of area A at the bottom of a cylindrical vessel. Water is filled upto a height h and water flows out in t second. If water is filled to a height 4h, it will flow out in time:

(a) t/4

(b) 2t

(c) 4t

(d) t/2

Ans. (b)

93. Air is filled in a bottle at atmospheric pressure and it is corked at 35°C. If the cork can come out at 3 atm pressure, then upto what temperature should the bottle be heated in order to remove the cork?

(a) 325.5°C

(b) 851°C

(c) 651°C

(d) None of these

Ans. (c)

94. The resistance of a coil in a platinum resistance thermometer at 0°C is 5 Q and at 100°C it is 5.75 &2. Its resistance at an unknown temperature is 5.15 2. Then the unknown temperature will be:

(a) 40°C

(c) 15°C

(b) 10°C

(d) 20°C

Ans. (d)

95. A wall has two layers A and B each made of different material. Both the layers has the same thickness. The thermal conductivity of the material of A is twice that of B. Under thermal equilibrium, the temperature difference across the layer A, if the temperature difference across the combination is 36°C, is:

(a) 24°C

(b) 18°C

(c) 12°C

(d) 6°C

Ans. (c)

96. The elevation of a cloud is 60° above the horizon. A thunder is heard 8s after the observation of lightening. The speed of sound is 330 m/s. The vertical height of the cloud from the ground will be:

(a) 1143.12 m

(b) 2286.24 m

(c) 2486.24 m

(d) None of these

Ans. (b)

97. A capacitor of 20µF charged upto 500 V is Z connected in parallel with another capacitor of 10µF which is charged upto 200 V. The common potential is:

(a) 250 V

(b) 300 V

(c) 400 V

(d) 600 V

Ans. (b)

98. Two inductors each of inductance are joined in parallel. Their equivalent inductance will be:

(a) L/4

(b) L/2

(c) 3 L

(d) 2 L

Ans. (b)

99. Eight identical cells each of potential E and internal resistance r are connected in series to form a closed circuit. An ideal voltmeter connected across 2 cells will read:

(a) 13 E

(b) 3 E

(c) 2 E

(d) 10 E

Ans. (c)

100. If the current gain is 100, then the emitter current in a transistor for a base current of 5 mA, will be:

(a) 3.505 A

(b) 4.505 A

(c) 0.505A

(d) 1.505A

Ans. (c)

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