The blueness of the sky is mainly due to _____________...? Mcqs

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The blueness of the sky is mainly due to _____________...?

(A) The scattering of sunlight by air molecules
(B) The presence of water vapor

(C) Absorption of blue light by the air
(D) Emission of blue light by the atmosphere

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The natural fats and oils are composed of_________...?

(A) Carbon, Hydrogen and Oxygen
(B) Carbon, Hydrogen and Nitrogen

(C) Carbon, Oxygen and Nitrogen
(D) Hydrogen, Oxygen and Nitrogen

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Apart from Venus, which planet rotates from east to west...?

(A) Jupiter
(B) Mars

(C) Uranus
(D) Neptune

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Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ...?

(A) Microbiology
(B) Micrology

(C) Histopathology
(D) Tavelogy

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In human osmoregulation takes place by___________...?

(A) Liver
(B) Kidney

(C) Spleen
(D) Lungs

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De Broglie extend the wave particle duality to electron in ______...?

(A) 1920
(B) 1922

(C) 1923
(D) 1925

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The extremely cold temperatures in the polar region of moon mean that it can act as a kind of __________ where things do not undergo much change....?

(A) Time capsule
(B) Light capsule

(C) Meta capsule
(D) Natural capsule

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A fixed temperature at which a pure liquid boils is called ______...?

(A) Melting point
(B) Freezing point

(C) Boiling point
(D) Both 'a' and 'b'

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What is the rank of the earth in the solar system in terms of size...?

(A) 5th
(B) 4th

(C) 3rd
(D) None of these

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Vernal equinox of northern hemisphere in March marks season of __________ ...?

(A) Spring
(B) Summer

(C) Winter
(D) Autumn

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