Biotechnology - Transport of Molecules in Plant

Exercise :: Transport of Molecules in Plant - Section 1

  • Transport of Molecules in Plant - Section 1
6. 

The cohesion-tension theory of water movement helps to explain how water moves from soil into root?

A. Through the phloem
B. From leaf to root
C. Through the xylem
D. Into the guard cells

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

7. 

When guard cells swell

A. stomata close
B. stomata open
C. photosynthesis stops
D. evaporation stops

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

8. 

Water moves into roots of plants by

A. osmosis
B. active transport
C. diffusion
D. pressure flow mechanism

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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