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प्रश्न
What is transpiration?
उत्तर १
The loss of water in the form of vapour is called transpiration that occurs through leaves, stem, flowers and fruits.
उत्तर २
The evaporation of water from the leaves of a plant in the form of water vapour is called transpiration.
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संबंधित प्रश्न
What is dark reaction in photosynthesis?
Describe C3 Pathway.
Very short answer question.
Why do diurnal changes occur in osmotic potential of guard cells?
Why is transpiration is called ‘a necessary evil’?
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 |
Write a short note on Structure of stomatal apparatus.
What are the limitations of root pressure theory?
