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Question
Write the functional activity of the following structure:
Hydathodes
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Solution
Plants secrete an excess of water through hydathodes when the atmosphere is very humid and the transpiration process cannot occur.
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RELATED QUESTIONS
Name the factors which affect the rate of transpiration? State their role in each case.
Given below is an apparatus which was setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
- Name the process being studied. Define the process.
- Why was the pot enclosed in a rubber sheet?
- Mention two external factors which can accelerate the above process.
- List two adaptations in plants to reduce the above process.
- Draw a neat, labelled diagram of a stomatal apparatus.
Answer the following (only in few words);
When does stomatal transpiration take place in plants?
Give Reasons for the following:
Balsam plants wilt during midday even if the soil is well watered.
Explain the Term :
Hydathode
Complete the following sentence with appropriate word:
Transpiration normally takes place in the presence of ___________.
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
Choose the Odd One Out
Give a reason/suitable explanation.
Forests tend to bring more rains.
