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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.
संबंधित प्रश्न
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Transpiration creates a pull for the upward movement of the sap.
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
Briefly explain how the rate of transpiration is affected by:
Humidity of the atmosphere
Give Reasons for the following:
Forest bring in the rain, transpiration is the cause.
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
Explain the Term :
Hydathode
Give Technical Term
Main function of lenticel.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration takes place only in green plants
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The pH of the guard cells increases during day time
Choose the Odd One Out
