Which of the following vitamins promote healthy functioning of eyes in human beings...? Mcqs

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Which of the following vitamins promote healthy functioning of eyes in human beings...?

(A) Vitamin B
(B) Vitamin C

(C) Vitamin A
(D) Vitamin D

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Splitting of glucose (glycolysis) release small amount of energy which is enough to generate _____...?

(A) 2 ATP
(B) 5 ATP

(C) 18 ATP
(D) 36 ATP

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A wheel with pointed edges like teeth are...?

(A) Pulley
(B) Gear

(C) Axle
(D) Sprocket

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What prevents the earth’s atmosphere from drifting away into space...?

(A) Gravity
(B) Ozone layer

(C) Troposphere
(D) Ecosystem

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What is ‘Tokamak’ ...?

(A) An Israeli radar system
(B) An American anti-missile system

(C) A defence collaboration between Japan and South Korea
(D) A device used in nuclear-fusion research for magnetic confinement of plasma

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The earth revolves around the sun at a speed of__________...?

(A) 18.5 km/sec
(B) 26.6 km/sec

(C) 29 km/sec
(D) 31.9 km/sec

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Day and night are the results of__________...?

(A) Earth rotation around its axis
(B) Earth revolution

(C) Earth rotation accompanied with its revolution.
(D) None of these

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Which one of the following is called the Blood Bank...?

(A) Kidneys
(B) Liver

(C) Spleen
(D) Heart

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The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg...?

(A) 4 days
(B) 12 days

(C) 16 days
(D) 8 days

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How many coloumns in the modern Periodic Table...?

(A) 17
(B) 18

(C) 19
(D) None of these.

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