‘Black holes’ refers to_______________...? Mcqs

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‘Black holes’ refers to_______________...?

(A) Holes occurring in heavenly bodies
(B) Bright spots on the sun

(C) Collapsing object of high density
(D) Collapsing object of low density

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Each mole of ATP store energy...?

(A) 7.3 kcal/mole
(B) 7.3kj/mole

(C) 17.3kcal/mole
(D) 17.3kj/mole

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Which of the following is used as a lubricant...?

(A) Graphite
(B) Silica

(C) Iron oxide
(D) Diamond

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Which is the largest organ in the human body...?

(A) Liver
(B) Heart

(C) Skin
(D) Kidney

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In Eye donation, which part of the eye used...?

(A) Retina
(B) Iris

(C) Cornea
(D) Optic nerve

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Which one of the following is not a disadvantage of friction...?

(A) Energy loss
(B) Fasteners

(C) Wear and Tear
(D) Speed limit

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Which ocean does not commonly experience tropical cyclones ...?

(A) Western Pacific
(B) North Atlantic

(C) South Atlantic
(D) Indian Ocean

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The energy released during fission or fusion reaction is called...?

(A) Solar energy
(B) Geothermal energy

(C) Tidal energy
(D) Nuclear energy

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If a machine performs 20 J of work in 10 sec. then it power is ______...?

(A) 200 watt
(B) 20 watt

(C) 2 watt
(D) 0.2 watt

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Molasses is a byproduct of ______ Factory ...?

(A) Fertilizer
(B) Cotton seed oil

(C) Sugar
(D) Banaspati Ghee

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