Each day human body breathe in __________ liters of air....? Mcqs

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Each day human body breathe in __________ liters of air....?

(A) 5,000 to 10,000
(B) 10,000 to 15,000

(C) 15,000 to 20,000
(D) 20,000 to 25,000

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At night, Plants intake __________ and release __________...?

(A) Oxygen – Carbon dioxide
(B) Carbon dioxide – Oxygen

(C) Oxygen – Carbon monoxide
(D) None of theseCarbon monoxide – Oxygen

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Transistor is a device that convert weak signal into__________...?

(A) small signal
(B) strong signal

(C) both
(D) none

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The Temperature of the surface of Sun is_______...?

(A) 5,778 Kelvin
(B) 6,778 Kelvin

(C) 7,778 Kelvin
(D) 9,778 Kelvin

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Amino acids are building blocks of ______...?

(A) Nucleic acids
(B) Protein

(C) Vitamins
(D) Lipid

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Liver uses which vitamin for creating new Red Blood cells...?

(A) B12
(B) B6

(C) A
(D) K

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Carbohydrates which digested quickly are called...?

(A) Starch
(B) Protein

(C) Mineral
(D) Vitamin

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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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Who first discovered how blood circulates in the human body...?

(A) Edward Jenner
(B) Joseph Lister

(C) William Harvey
(D) Gregor Mendel

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The change from liquid to solid, or the reverse of melting, is called...?

(A) Melting
(B) Freezing

(C) Evaporation
(D) Condensation

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