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प्रश्न
Choose the correct answer:
Who had said that "transpiration is a necessary evil"?
विकल्प
Curtis
Steward
Anderson
J.C. Bose
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उत्तर
Curtis
APPEARS IN
संबंधित प्रश्न
Name the factors which affect the rate of transpiration? State their role in each case.
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.
Answer the following (only in few words);
When does stomatal transpiration take place in plants?
Choose the correct answer:
Transpiration generates __________
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
What is the purpose of keeping the test tube B in the experimental setup?
What are lenticels? Where are they found?
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
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:
Cuticle
