Practice MCQ Questions and answers on Biology-GK Page-10 section-12

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15 Section 16 Section 17

46.
Oxygen crosses a plasma membrane by

A. Osmosis

B. Evaporation

C. Concatenation

D. Diffusion

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47.
Which of the following is true of osmosis?

A. It is a type of diffusion

B. Movement is against water's concentration gradient

C. Requires energy

D. All of the above

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48.
The water readily available to plants for absorption by roots is

A. Gravitational water

B. Rain water

C. Hygroscopic water

D. Capillary water

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49.
The process of evaporation occurs from

A. Root

B. Stem

C. Leaf

D. Entire 'plants' surface

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50.
Which process requires cellular energy?

A. Passive transport

B. Active transport

C. Both A & B

D. None of the above

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Practice MCQ Questions and answers on Biology-GK

46. Oxygen crosses a plasma membrane by

Answer & Solution

47. Which of the following is true of osmosis?

Answer & Solution

48. The water readily available to plants for absorption by roots is

Answer & Solution

49. The process of evaporation occurs from

Answer & Solution

50. Which process requires cellular energy?

Answer & Solution

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46.
Oxygen crosses a plasma membrane by

47.
Which of the following is true of osmosis?

48.
The water readily available to plants for absorption by roots is

49.
The process of evaporation occurs from

50.
Which process requires cellular energy?