The sky drivers use parachutes to easily descend towards the earth because of it:...? Mcqs

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The sky drivers use parachutes to easily descend towards the earth because of it:...?

(A) Increases air resistance
(B) Decreases air resistance

(C) Decreases air friction
(D) Speeds up

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The velocity of a satellite is _____ of its mass....?

(A) Independent
(B) Dependent

(C) Equal
(D) Double

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Segmented Worms take breath through:_________...?

(A) Mouth
(B) Nose

(C) Moist Skin
(D) Head

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The property of a substance to absorb moisture from the air on exposure is called____________...?

(A) osmosis
(B) deliquescence

(C) efflorescence
(D) desiccation

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Which statement about sound is true...?

(A) Sound can’t travel through  vacuum
(B) Sound can’t travel through  glass

(C) Sound can’t travel through  water
(D) Non of theses

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The element used in lead pencils is__________...?

(A) Zinc
(B) Lead

(C) Carbon
(D) Tin

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The ice giants are mostly made of ‘volatile’ substances such as...?

(A) Water, mercury and methane
(B) Water, ammonia and mercury

(C) Water, plasma and methane
(D) Water, ammonia and methane

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A shooting star is _________...?

(A) Sun
(B) A comet

(C) A meteor
(D) An steroid

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Magnifying power of a simple microscope can be increased by ...?

(A) increasing focal length of the lens
(B) Decreasing focal length of the lens

(C) Lens of large aperture
(D) lens of short aperture

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Which bird eats pebbles for helping digestion by grinding up the ingested food...?

(A) Pigeon
(B) Hen

(C) Ostrich
(D) Owl

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