Which element has the third most % in human body...? Mcqs

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Which element has the third most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

Latest MCQs

Which of the following objects that do not allow light to travel through them are called...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

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A Periscope uses two plane mirrors one above the other at ____...?

(A) 30°
(B) 45°

(C) 60°
(D) 90°

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Which is not the property of gases...?

(A) Gases have definite volume
(B) Gases have Indefinite shape

(C) Gases have Indefinite volume
(D) Gases can be compressed

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A glass chimney stops an oil lamp from smoking because:...?

(A) It increases the supply of oxygen to the flame by convection
(B) The heat produced ensures complete

(C) Both to these
(D) Neither of these

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Which of the following ocean is the warmest ocean of the world...?

(A) Indian Ocean
(B) Arctic Ocean

(C) North Pacific Ocean
(D) None of the above

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Which is the New & Most Important Culprit damaging the ozone Layer...?

(A) Carbon Dioxide
(B) Chlorofluoro Carbons

(C) Nitrous Oxide
(D) Carbon Monoxide

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CNG stands for...?

(A) Converted Natural Gas
(B) Conduced Natural Gas

(C) Conducted Natural Gas
(D) Compressed Natural Gas

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The sun is made up of 99.9% of ________________ and ______________...?

(A) Oxygen and Hydrogen
(B) Hydrogen and Sulfur

(C) Carbon and Silicon
(D) Hydrogen and Helium

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Who first measured the velocity of light...?

(A) Einstein
(B) Newton

(C) Ole Roemer
(D) Galileo

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