The most abundant element in the Earth’s crust is __________...? Mcqs

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The most abundant element in the Earth’s crust is __________...?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

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The ratio of output to input is called...?

(A) Energy
(B) Work

(C) Power
(D) Efficiency

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Which of the following is the formula of glucose...?

(A) C6H12O6
(B) C6H6

(C) C6H2O6
(D) None

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Opening and closing of stomata is also regulated by ___...?

(A) Epidermal cells
(B) Guard cells

(C) Root hair cells
(D) Mesophyll cells

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Phobos is the natural satellite of which planet__________ ...?

(A) Mars
(B) Venus

(C) Saturn
(D) Neptune

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The Deoxyribonucleic acid is abbreviated as ____...?

(A) RNA
(B) DNA

(C) mRNA
(D) rRNA

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The S. I. unit of refractive index is _______...?

(A) meter
(B) cm

(C) watt
(D) no unit

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The dominant phase of life cycle in these organism is haploid...?

(A) Mosses
(B) Bacteria

(C) Protozoa
(D) None

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Spinal card controls all ___________...?

(A) Sexual activities
(B) Thinking activities

(C) Reflex activities
(D) none

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Which Organ is affected by trachoma...?

(A) Liver
(B) Lungs

(C) Eyes
(D) Brain

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