How many major gases have been used in re​frig​er​a​tors since its invention...? Mcqs

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How many major gases have been used in re​frig​er​a​tors since its invention...?

(A) 2
(B) 3

(C) 4
(D) 5

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In which of the following is/are chlorophyll is present...?

(A) Algae
(B) Bacteria

(C) Animals
(D) Plants

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Dermatophagia is a ____ condition....?

(A) Physiological
(B) Psychological

(C) Dermatological
(D) Genital

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Which thing resists between shoes and earth...?

(A) Rolling
(B) Friction

(C) Fluid
(D) sliding

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Photosynthesis takes place in presence of the following light...?

(A) Only in green light from sun
(B) Only in sunlight from the sun

(C) Only in high intensity of light from the sun
(D) In visible light obtained from any source

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Which of the following is an alcohol...?

(A) CH3-CHO
(B) CH3-CH2-O-CH3

(C) CH3-OH
(D) HCOOH

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Red color of tomato is due to___________...?

(A) Anthocyanin
(B) Xanthophyll’s

(C) Lycopene
(D) None of these

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What is the percentage of water present in our brain...?

(A) 85%
(B) 95%

(C) 97%
(D) 73%

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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Hypocotyl hook is formed during the germination of...?

(A) Bean Seed
(B) Maize Seed

(C) Apple Seed
(D) None

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