
Fill in the blank with the correct word from the bracket.
The
can draw up water to about 50 metres or more in the tall tree. (root pressure, transpiration pull, guttation)

Important Questions on Plant Physiology
Given below is an apparatus that was set up to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
(i) Name the process being studied. Define the process.
(ii) Why was the pot enclosed in a rubber sheet?
(iii) Mention two external factors which can accelerate the above process.
(iv) List two adaptations in plants to reduce the above process.
(v) Draw a neat, labelled diagram of a stomatal apparatus.

Choose the correct answer from each of the four options given below:
Which one of the following does not affect the rate of transpiration?








Explain the following terms:
Poto
meter



Complete the following pair to represent the relationship between the structure and the special functional activity.
_____ and upward conduction of water.

Account for the following facts:
Transpiration is the price paid for photosynthesis.



Give one point of difference between the following pair on the basis of what is given in bracket.
Transpiration and guttation (define the terms).


Define the following:
Transpiration-

