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प्रश्न
What is transpiration?
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उत्तर
The loss of water in the form of vapour is called transpiration that occurs through leaves, stem, flowers and fruits.
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संबंधित प्रश्न
Very short answer question.
Mention the shape of guard cells in Cyperus.
Describe the mechanism of opening and closing of stomata.
Answer the following question.
Explain the role of transpiration.
Answer the following question.
What is the significance of transpiration?
Which of the following term correctly describes the membrane which allows passage of certain substances more readily than others?
Guard cells differ from epidermal cells in having
Give an example of plant having both kidney and dumb-bell shaped guard cells in stomata.
Match the columns:
| Column A (Scientist) | Column B (Theory) | ||
| (1) | Dixon and Joylly | (a) | Starch-sugar inter-conversion theory |
| (2) | Steward | (b) | Osmotic absorption theory |
| (3) | Atkins and Pristley | (c) | Non-osmotic absorption theory |
| (4) | Kramer and Thimann | (d) | Cohesion tension theory |
In plants, active absorption usually does NOT occur when ______.
Аccessory cells of stomata are reservoirs of ______.
