Ncert Exercises & Solutions

Comment on the experimental setup.

1. What does the setup demonstrate?
2. What will happen to the level of water if a blower is placed close to setup?
3. Will the mercury level fluctuate (go up/down) if phenyl mercuric acetate is sprayed on leaves?

(a) Transpirational pull is demonstrated by this set up.

(b) Constantair blowing will increase the rate of transpiration so, level of water will go down.

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