Advertisements
Advertisements
प्रश्न
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
Advertisements
उत्तर
During mid-day the rate of transpiration is maximum. During this time, in some herbaceous plants, the rate of transpiration exceeds the amount of water absorbed. Thus, the leaves loss its turgid state and show wilting.
APPEARS IN
संबंधित प्रश्न
Name the factors which affect the rate of transpiration? State their role in each case.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Most transpiration occurs during midday.
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:
Draw a neat, labelled diagram of a stomatal apparatus.
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
Give Reasons for the following:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Give Reasons for the following:
Forest bring in the rain, transpiration is the cause.
What are the disadvantages of transpiration?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Root hairs are the extensions of the outer epidermal cells of the root
Write the functional activity of the following structure:
Lenticels
