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प्रश्न
Give Reasons for the following:
Young plants wilt on a hot sunny day.
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उत्तर
On a hot sunny day, the rate of transpiration exceeds the rate of water absorption by roots. As a result of this leaves collapse and plant wilts.
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संबंधित प्रश्न
Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following:
Thick cuticle and ………………………..
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify.
Explain the Term
Lenticular
Name the three types of transpiration.
Differentiate Between Transpiration and Translocation.
Differentiate Between Transpiration and Perspiration.
Give Technical Term
Loss of water from the aerial parts of a plant.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Evaporation is a physiological process
State the Location:
Cuticle
