The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it...? Mcqs

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The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it...?

(A) 10%
(B) 20%

(C) 30%
(D) 50%

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Calcium sulphate is known as__________...?

(A) Epsom salt
(B) Gypsum salt

(C) Blue vitriol
(D) Potash alum

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Heat of sun reaches the earth by ___________...?

(A) Convection
(B) radiation

(C) Conduction
(D) None of these

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The type of seed production without fusion of male and female gametes is ______...?

(A) Parthenocarpy
(B) Apomixes

(C) Grafting
(D) Scion

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Disease beri beri is because of___________...?

(A) Lack of green vegetables in diet
(B) Use of milled rice

(C) Deficiency of calcium in bones
(D) Poor use of citrus fruits

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A light year is a unit of ...?

(A) Time
(B) Energy

(C) distance
(D) Mass

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The soapy touching property of substance are known as ____...?

(A) Acids
(B) Bases

(C) Salts
(D) Oxides

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The process of removing water in the form of vapour in the form of leaves is called...?

(A) Nutrition
(B) respiration

(C) perspiration
(D) transpiration

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Animals in grassland environment have broad feet for fast...?

(A) Escape
(B) Swimming

(C) Climbing
(D) None

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“Beaufort Scale” is used to measure____________...?

(A) Wind Velocity
(B) Air Pressure

(C) Wind Direction
(D) Humidity

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