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प्रश्न
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Atmospheric humidity promotes transpiration from a green plant.
विकल्प
True
False
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उत्तर
False
Reason: Transpiration is reduced during high atmospheric humidity. High humidity in the air reduces the rate of outward diffusion of the internal water vapour across stomata, thereby reducing the rate of transpiration
संबंधित प्रश्न
Which one of the following favours the fastest transpiration rate?
Name the factors which affect the rate of transpiration? State their role in each case.
Answer the following (only in few words);
When does stomatal transpiration take place in plants?
Choose the correct answer:
Transpiration is more ____________
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
Complete the following sentence with appropriate word:
Transpiration normally takes place in the presence of ___________.
Write the functional activity of the following structure:
Cuticle
An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:
- Name and define the phenomenon labelled A in the diagram.
- Write the significance of the process mentioned in A for the plants.
- What do the direction of the arrows in B and C indicate? Name the phenomena.
- Draw a neat and labelled diagram of an opened stomata.
