Black gold is an oil; Black diamond is_________...? Mcqs

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Black gold is an oil; Black diamond is_________...?

(A) Copper
(B) Iron

(C) Coal
(D) Wood

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Latest MCQs

The entire light is reflected into the same denser medium, which is called total...?

(A) External reflection
(B) External refraction

(C) Internal reflection
(D) Internal refraction

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Latest MCQs

Increased quantity and quality of fish production...?

(A) Fisheries
(B) Farming

(C) Animal husbandry
(D) Forestry

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Latest MCQs

Our atmosphere comprises of __________ Nitrogen...?

(A) 38% Nitrogen
(B) 58% Nitrogen

(C) 78% Nitrogen
(D) None of these

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Among the following, which substance is not a compound...?

(A) H2O
(B) Mg

(C) CO2
(D) NaCl

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As we go higher into the atmosphere, the air becomes...?

(A) Thinner
(B) Denser

(C) Warmer
(D) Visible

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Carbon dioxide was discovered by_______...?

(A) Niels Bohr
(B) Amedeo Avogadro

(C) Joseph Black
(D) None of Above

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Myopia is a defect of Human eye. it can be corrected by using a lens called...?

(A) Convex lens
(B) Concave lens

(C) Cylindrical lens
(D) Plano convex lens

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Red-green colour blindness in a man is known as:...?

(A) Prolanopia
(B) Deuteranopia

(C) both a&b
(D) Marfan’s syndrome

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Biome is community of _____...?

(A) Plants
(B) Animals

(C) Both A and B
(D) None of these

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