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प्रश्न
Give suitable explanation for the following:
On a bright sunny day, the leaves of certain plants roll up.
उत्तर
On a bright sunny day, the rate of transpiration is much higher than any other days. The leaves of certain plants roll up on a bright sunny day to reduce the exposed surface and thus reduce the rate of transpiration.
संबंधित प्रश्न
What causes the opening and closing of guard cells of stomata during transpiration?
Fill in the blank with the suitable term given below:
Transpiration is more when the wind is blowing _____.
The diagram given alongside is an apparatus used to study a particular phenomenon in plants.
(i) Name the apparatus.
(ii) What is it used for?
(iii) What is the role played by the air bubble in this experiment?
(iv) Of what use is the reservoir?
Distinguish between the following :
Cuticular transpiration and lenticular transpiration
Choose the correct answer:
More water loss in plants is the cause of wilting. This can be checked by ____________
Give the importance of transpiration?
Which one is not related to transpiration?
Excessive transpiration is due to ______.
ABA (Abscisic acid) is called a stress hormone. From where does this hormone get released in leaves?
Briefly describe the following:
Angina Pectoris