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प्रश्न
Give Reasons for the following:
Plants absorb more water than their requirement
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उत्तर
The plants absorb much more water than their requirement because:
(a) They require more mineral salts for their growth and minerals are present in very small quantity in water
(b) Most of the water is lost through transpiration. Therefore, to prevent wilting they require an excess of water.
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संबंधित प्रश्न
Answer the following (only in few words);
In which form, water comes out in transpiration?
Mark the most appropriate answer in the following:
Transpiration pull will be maximum under which of the following conditions?
Briefly explain how the rate of transpiration is affected by:
Humidity of the atmosphere
Give Reasons for the following:
Balsam plants wilt during midday even if the soil is well watered.
What are lenticels? Where are they found?
What are the advantages of transpiration to the plant?
Study the diagram given alongside and answer the questions that follow:
(i) Explain the physiological process of being study.
(ii) What will be the observations in the two test-tubes after about 2-3 days?
(iii) Give a reason for your answer in (ii) above.
(iv) Why is the surface of water covered with oil?
(v) State the purpose of setting up test tube B.
State the Location:
Hydathodes
Mark the most appropriate answer in the following:
Transpiration is very low during storms due to:
