76. In which of the following groups, animals bear no teeth ?

(A) Peacock, Ostrich, Tortoise

(B) Owl, Loris, Crow

(C) Alligator, Turtle, Tortoise

(D) Turtle, Kiwi, Cow

77. Jaundice is a symptom of disease of—

(A) Kidney

(B) Liver

(C) Pancreas

(D) Thyroid

78. The vaccination against small pox involves the introduction of—

(A) Killed germs

(B) Weakened germs

(C) Live antibodies

(D) Activated germs

79. Deficiency of Vitamin B₆ in man causes—

(A) Rickets

(B) Scurvy

(C) Beri-beri

(D) Anaemia

80. Which is the national flower of India ?

(A) Rose

(B) Lotus

(C) Lily

(D) Sunflower

81. First successful heart transplantation was done by—

(A) D. S. Paintal

(B) C. N. Barnard

(C) D. Shetty

(D) P. K. Sen

82. Yellow Fever is transmitted by—

(A) Aedes

(B) Anopheles

(C) House-fly

(D) Culex

83. Which one of the following is a major green house gas ?

(A) Carbon dioxide

(B) Chloro fluorocarbon

(C) Carbon monoxide

(D) Freon

84. In atmosphere the lowermost layer is—

(A) Troposphere

(B) Exosphere

(C) Ionosphere

(D) Strato sphere

85. Washing of peeled vegetables removes the vitamin—

(A) A

(B) C

(C) D

(D) E

86. Pasteurisation is the process in which milk is heated to—

(A) 60° C for 10 minutes

(B) 63° C for 20 minutes

(C) 63° C for 30 minutes

(D) 72° C for 10 minutes

87. Match List-I with List-II and give the correct answer from the code given below :

List-I (Discoverer)

(a) Jenner

(b) Watson

(c) Landsteiner

(d) Flemming

List-II (Discoveries)

1. Blood grouping

2. Penicillin

3. Vaccination

4. Double helix

Codes :

(a) (b) (c) (d)

(A) 3 1 2 4

(B) 3 4 2 1

(C) 3 4 1 2

(D) 3 2 4 1

88. Which of the following is most elastic ?

(A) Rubber

(B) Wet clay

(C) Steel

(D) Plastic

89. The first ever robot spacecraft to probe planet Venus was named—

(A) Galileo

(B) Magellan

(C) Newton

(D) Challenger

90. A man with colour blindness will see red as—

(A) Yellow

(B) Blue

(C) Green

(D) Violet

91. Comets revolve around the—

(A) Earth

(B) Venus

(C) Sun

(D) Jupiter

92. When a person walking in bright Sunlight enters a dark room, he is not able to see clearly for a little while because—

(A) The eye muscles cannot immediately adjust the focal length of the eye lens

(B) The retina retains the bright images for sometime and becomes momentarily insensitive

(C) The iris is, unable to contract the pupil immediately

(D) The iris is unable to dilate the pupil immediately

93. The swing of a spinning cricket ball in air can be explained on the basis of—

(A) Sudden change in wind direction

(B) Buoyancy of air

(C) Turbulance caused by wind

(D) Bernoulli’s theorem

94. The freezer in a refrigerator is fitted near the top—

(A) To keep it away from hot compressor which is nearer to the bottom

(B) Because of convenience

(C) It facilitates convection currents

(D) To minimise power consumption

95. The chemical name of ‘Common salt’ is—

(A) Sodium chloride

(B) Sodium nitrate

(C) Ammonium chloride

(D) Calcium chloride

96. Denatured spirit is ethanol mixed with—

(A) Petrol

(B) Kerosene

(C) Water

(D) Pyridine

97. The metal, which is a constituent of vitamin B₁₂ is—

(A) Iron

(B) Magnesium

(C) Zinc

(D) Cobalt

98. The most abundant inert gas in the atmosphere is—

(A) Helium

(B) Neon

(C) Argon

(D) Krypton

99. Which metal is extracted from sea water ?

(A) Potassium

(B) Magnesium

(C) Aluminium

(D) Beryllium

100. Precentage of lead in lead pencils is—

(A) 0

(B) 31 – 66

(C) 40

(D) 80

Answers

76. (A) 77. (B) 78. (C) 79. (D)

80. (B) 81. (B) 82. (A) 83. (A) 84. (A)

85. (B) 86. (C) 87. (C) 88. (C) 89. (B)

90. (C) 91. (C) 92. (B) 93. (D) 94. (C)

95. (A) 96. (C) 97. (D) 98. (C) 99. (B)

100. (A)