Inspiration involves ______...? Mcqs

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Inspiration involves ______...?

(A) Contraction of intercostals muscles
(B) Contraction of diaphragm

(C) Inward movement of ribs
(D) Both a and b

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Atmosphere is held in place by...?

(A) Pressure of the planetary body
(B) Gravity of the planetary body

(C) Charge of the planetary body
(D) Heat of the planetary body

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Which of the following is not a water soluble vitamin...?

(A) Tocopherol
(B) Pyridoxine

(C) Pantothenic acid
(D) Niacin

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During the daytime for the photosynthesis, plants require ______...?

(A) O2
(B) N2

(C) CO2
(D) H2

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Nearest galaxy to our milky way is ________...?

(A) Messier 81
(B) Andromeda

(C) Triangulum
(D) Whirlpool

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The volume of air remaining in the lungs even after forcible expiration is:...?

(A) total volume
(B) tidal volume

(C) residual volume
(D) none of the above

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The ratio of output to input is called...?

(A) Energy
(B) Work

(C) Power
(D) Efficiency

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The sun has a __________ year solar cycle during which its activity increases and decreases....?

(A) 10
(B) 11

(C) 12
(D) 13

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The part of an eye acting as a film of camera is _____...?

(A) Retina
(B) Iris

(C) Lens
(D) Cornea

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A device that converts mechanical energy into electric energy is called_______...?

(A) Motor.
(B) Transformer.

(C) Coil.
(D) Generator.

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