B. Plains

C. Reflective

D. Concave

B. 100⁰C

C. 4⁰C

D. 4⁰C

B. Remains constant

C. Temperature increase

D. None

A. Variations in the moons gravitation

B. Variations in the speed of rotation of the moon

C. Changes in the shape of the moon

A. Accumulation of salts in body

B. Accumulation of salts in animals

D. Accumulation of salts in water

A. Andromeda Galaxy

B. Milky-Way

D. Horseshoe Galaxy

A. Nose

B. Mouth

D. Head

B. 26.3 days

C. 30.3 days

D. 28.3 days

A. cerebrum

C. cerebellum

D. medulla

A. Neptune

B. Jupitar

C. Earth

A. 70 kg

B. 90 kg

C. 80 kg

A. acid indigestion in humans

C. the greenhouse effect to lessen

D. all the above are correct

A. Sodium Chloride

C. Chlorine

D. Iodine

A. Vitamin D

C. None of the above

D. Vitamin A

B. Microwaves

C. Heat energy

D. Optical Signals

A. Neon

B. Argon

D. Nitrous oxide

A. Biology

B. Aero logy

C. Morphology

A. X-rays

B. Alpha rays

D. Beta rays

B. 4-Jan

C. 3-Jan

D. 5-Jan

A. basophils

B. lymphocytes

D. eosinophils

A. Aneroid barometer

B. Barograph

D. Altimeter

A. 4

B. 5

C. 2

A. Sun and earth are at right angles

B. Earth and moon are at right angles

C. Sun and moon are at right angles

A. Spuntnik I

B. Luna II

C. Vostok I

A. acid rain

B. allergens

C. ozone accumulation

A. Convection from a hot surface

B. Conduction of heat upward from a hot surface

D. Absorption of infrared energy that has been radiated from the surface

A. Bohar

B. Alfred Marshall

C. Jabar bin Hayan

A. Nickel

B. Zinc

C. Lead

A. Must be expanding

B. Must be contracting

D. Must be neither expanding nor contracting

A. Specific gravity

C. Elasticity

D. Viscosity

A. Graphite

B. Tungsten

C. Chromium

B. 73

C. 62

D. 3

A. O-

B. AB+

D. O+

A. Ammonia

C. Tar

D. Ethanol

A. 6

C. 7

D. 5

B. North pole

C. Median of north and south pole

D. South pole

A. 10¹¹ ergs

B. 10⁵ ergs

D. 10³ ergs

A. Atlantic Ocean

C. Pacific Ocean

D. Arctic Ocean

A. 350 millon years

B. 150 million years

D. 300 millon years

B. 6%

C. 9%

D. 8%

B. Java Strait

C. Adam Strait

D. Malacca Strait

A. 3.1 to 3.4 Kg

C. 2.1 to 2.8 Kg

D. 1.4 to 1.8 Kg

A. Altocumulus

C. Cirrus

D. Cirrostratus

A. 1.025 kg/m3

B. 1.425 kg/m3

D. 0.225 kg/m3

A. 6 million C

B. 10 million C

C. 20 million C

A. Downward with uniform acceleration

C. Upward with uniform speed

D. None of these

A. Onions

C. Origins

D. Diseases

A. Zoology

B. Ichthyology

D. Botany

A. An increase in the rate of photosynthesis

B. No effect on either photosynthesis or respiration

D. A decrease in the rate of respiration

A. 5

B. 6

C. 3