Question

vulguess
etw
1. Transpiration is best defined as (tick-mark the
correct option).
(a) loss of water from the plant.
(b) loss of water as vapour from the plants.
(c) evaporation of water from the surface of
leaves.
2. In one of the experiments to demonstrate
transpiration, we used cobalt chloride paper.
What are the characteristics of this paper that
suit the experiment?
3. Look at the experiment shown in Fig. 5.4.
Suppose you took a single flower with a long
stalk dipping in water, instead of a leafy twig.
Will it serve the purpose?
Yes/No. Give reason.
4. Mention any two limitations in the use of
potometers.​

Answer 1

1) C) evaporation of water from the surface of leave.

2) We use Cobalt Chloride paper : For comparison of transpiration by two surfaces of a leaf.

3) Please mention the exact experiment and repost the question.

4) Potometer : - An apparatus used to measure rate of transpiration.

- This apparatus work on principle :-

“ rate of water absorption is equal to rate of transpiration" .

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