| (i) take in oxygen |
| (ii) take in water vapour |
| (iii) Give out oxygen |
| (iv) give out water vapour |
A) (i) and (ii) only
B) (i) and (iii) only
C) (ii) and (iii) only
D) (i), (iii) and (iv) only
Correct Answer: D
Solution :
The part labelled X in the diagram is stomata through which leaves take in carbon dioxide and give out oxygen during photosynthesis, take in oxygen during respiration and give out water vapour during transpiration.
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