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प्रश्न
Answer the following question.
Explain the role of transpiration.
संक्षेप में उत्तर
उत्तर
Role of transpiration:
- It removes excess of water.
- It helps in the passive absorption of water and minerals from the soil.
- It helps in the ascent of sap.
- As stomata are open, gaseous exchange required for photosynthesis and respiration is facilitated.
- It maintains the turgor of the cells.
- Transpiration helps in reducing the temperature of leaf and in imparting a cooling effect.
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Structure of Stomatal Apparatus
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
What is dark reaction in photosynthesis?
Describe C3 Pathway.
Describe the mechanism of opening and closing of stomata.
Answer the following question.
What is the significance of transpiration?
Guard cells differ from epidermal cells in having
Give an example of plant having both kidney and dumb-bell shaped guard cells in stomata.
Sketch and label: types of guard cells
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?
