It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...? Mcqs

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It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?

(A) An equal and opposite pressure acts from inside
(B) of the height of a man

(C) of gravity
(D) Earth pulls the man upward

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Nervous system includes which of these major components...?

(A) Brain
(B) Brain & Back Bone

(C) brain, spinal cord and neurons
(D) None

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The movement of organic materials (food) take place through ______...?

(A) Xylem
(B) Vessels

(C) Tracheid
(D) Phloem

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Erythrocyte is another name for a ___________...?

(A) white blood Cells
(B) Platelet

(C) Red Blood cells
(D) Plasma

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Which type of the following chemical reaction is CaO + CO2 → CaCO2:...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) None

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When white light is passed through a prism, it splits into __________ colours....?

(A) 5
(B) 6

(C) 7
(D) 8

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1 Meter = _________...?

(A) 1000 centimeters (cm)
(B) 100 centimeters (cm)

(C) 10 centimeters (cm)
(D) 10000 centimeters (cm)

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Larva of Frog is also called...?

(A) Spawn
(B) Froglet

(C) Tadpoles
(D) Adult

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The use of potassium hydroxide produced a ________...?

(A) Hard soap
(B) Soft soap

(C) Moderate soap
(D) All of these

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The average length of the kidney of a man is about...?

(A) 7cm to 8cm
(B) 8cm to 10 cm

(C) 10cm to 13 cm
(D) 13cm to 16cm

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