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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
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Some desert plants have sunked stomata on their leaves.
Briefly explain how the rate of transpiration is affected by
Intensity of light
Given below is an apparatus which was setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
- Name the process being studied. Define the process.
- Why was the pot enclosed in a rubber sheet?
- Mention two external factors which can accelerate the above process.
- List two adaptations in plants to reduce the above process.
- Draw a neat, labelled diagram of a stomatal apparatus.
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
List two adaptations in plants to reduce the above process.
Choose the correct answer:
Transpiration generates __________
Give Reasons for the following:
Plants absorb more water than their requirement
Give Reasons for the following:
Forest bring in the rain, transpiration is the cause.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration is a physiological process
Write the functional activity of the following structure:
Cuticle
Transpiration is significant for all except ______.
