Multiple choice

Cobalt chloride experiment is used

  1. to demonstrate the process of transpiration

  2. to determine the rate of transpiration

  3. to show that the rate of transpiration from the lower surface of leaf is higher than the upper surface

  4. to demonstrate the phenomenon of osmosis
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C Correct answer
Explanation

Cobalt chloride method is used to show that the rate of transpiration from the lower surface of leaf is higher than the upper surface.

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