Rate of evaporation of petrol is greater than that of water at room temperature because:...? Mcqs

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Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond
(B) petrol is an organic compound

(C) water molecules have small size
(D) petrol molecules have greater size

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The deficiency of vitamin E causes _______ ...?

(A) Weak immune system
(B) Weak bones

(C) Lack of appetite
(D) Sterility

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The order of speed of the sound in different mediums from faster to slowest is ______...?

(A) Gas → Liquid → Solid
(B) Liquid → Solid → Gas

(C) Solid → Liquid → Gas
(D) Gas → Solid → Liquid

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The process which is essential for continuing and survival of species is _____...?

(A) Digestion
(B) Respiration

(C) Reproduction
(D) Excretion

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Name the animal which can live without water in its entire life...?

(A) Desert lizard
(B) Camel

(C) Kangaroo rat
(D) Cuttlefish

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When water is filled in a bottle and is allowed to freeze, the bottle breaks because...?

(A) Water expands on freezing
(B) Bottle contracts at freezing point

(C) temperature outside the bottle is less than that inside the bottle.
(D) None of the above

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What type of a mirror is used in anti-shop-lifting-devices...?

(A) Convex mirror
(B) Concave mirror

(C) Plane mirror
(D) Both (b) and (c)

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Medium which sends signal from source to destination is known as ________ ...?

(A) Transmitter
(B) Transmission channel

(C) Receiver
(D) Hardware

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Approximately how many Galaxies are there ...?

(A) 10 Billion Galaxies
(B) 100 Billion Galaxies

(C) 1000 Billion Galaxies
(D) 10000 Billion Galaxies

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What amount of fats give energy of 9.3 K Calories...?

(A) 0.5 gram
(B) 1.0 gram

(C) 2.0 gram
(D) 4.1 gram

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