Comets are made mostly of ______________...? Mcqs

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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The side view mirrors of vehicles are of which type of mirrors...?

(A) Convex
(B) Concave

(C) Plane
(D) Inverted

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A gas in a container of fixed volume is heated. What happens to the molecules of the gas...?

(A) They collide less frequently
(B) They expand

(C) They move faster
(D) They move further apart

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The mesosphere ranges from ________ to _________...?

(A) 46 km to 85 km
(B) 48 km to 85 km

(C) 50 km to 85 km
(D) 52 km to 85 km

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The color that is least deviated by a prism ______...?

(A) Violet ray
(B) Red ray

(C) Green ray
(D) Yellow ray

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Apart from Venus, which planet rotates from east to west...?

(A) Jupiter
(B) Mars

(C) Uranus
(D) Neptune

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During the night time, the air above the land loses heated up its density ____...?

(A) Decrease
(B) Fluctuate

(C) Remain same
(D) Increase

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Which one of the following is not a fraction of crude oil...?

(A) Petroleum coke
(B) Ammonia

(C) Fuel oil
(D) Paraffin wax

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Who invented the Hot Air Balloon...?

(A) Davy
(B) Montgolfier

(C) Edison
(D) Jarvik

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Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

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