Advertisements
Advertisements
प्रश्न
What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
Advertisements
उत्तर
Wilting refers to the loss of cellular turgidity in plants which results in the drooping of leaves or plant as a whole because of lack of water.
During noon the rate of transpiration exceeds the rate of absorption of water by roots. Due to the excessive transpiration, the cells of leaves lose their turgidity and wilt.
संबंधित प्रश्न
One of the internal factors which affect the rate of transpiration is
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
Answer the following (only in few words);
How does transpiration take place in night?
Choose the correct answer:
Rate of transpiration is more, when __________
Give Technical Term
The substances which check the rate of transpiration.
What is cohesion?
Name three extrinsic factors which decrease the rate of transpiration.
