961. Material for rain-proof coats and tents owe their water proof properties to ________?
A. Surface tension
B. Viscosity
C. Specific gravity
D. Elasticity

962. Vitamin C is found in_________?
A. Sea Food
B. Seeds
C. Fruits and Vegetables
D. None of these

963. Who is the founder of solar system?
A. Copernicus
B. Newton
C. Galileo
D. Kepler

964. What is the rarest blood type in humans?
A. O-
B. O+
C. AB+
D. AB-

965. The psychological test of human emotions and personality, using inkblots, is formally known as what?
A. Rorschach
B. Nervous
C. Renal
D. All of above
E. None of these

966. What is the name of the biggest part of human brain?
A. Cerebellum
B. Cerebrum
C. Brainstem
D. Pituitary

967. Iodised salts contains the iodine salts of which metal?
A. Iodine
B. Potassium
C. Sodium Chloride
D. Chlorine

968. Tocopherol is the chemical name of which vitamin?
A. vitamin C
B. vitamin D
C. vitamin A
D. vitamin E

969. What prevents the earth’s atmosphere from drifting away into space?
A. Gravity
B. Ozone layer
C. Troposphere
D. Ecosystem

970. What melted rock eventually becomes lava?
A. Iron
B. Metals
C. Magma
D. Coal