SATHEE: Transport In Plants Ques 19

Transport In Plants Ques 19

19. Guard cells help in:

[2009]

(a) transpiration

(b) guttation

(c) fighting against infection

(d) protection against grazing

Show Answer

Answer : a

Hints & Solutions

(a) Guard cells help in transpiration. Transpiration is the evaporation of water from the aerial parts of plants, especially leaves but also stems, flowers and roots. Stomatal opening allows the diffusion of carbon dioxide and oxygen during photosynthesis.

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Transport In Plants

Transport In Plants Ques 19

19. Guard cells help in:

Answer : a

Hints & Solutions

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