Advertisements
Advertisements
प्रश्न
Answer the following question.
Explain the role of transpiration.
संक्षेप में उत्तर
Advertisements
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.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Plant Water Relation - Exercises [पृष्ठ १३३]
संबंधित प्रश्न
What is dark reaction in photosynthesis?
Very short answer question.
Mention the shape of guard cells in Cyperus.
Very short answer question.
Why do diurnal changes occur in osmotic potential of guard cells?
Describe the mechanism of opening and closing of stomata.
Explain the root pressure theory.
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 - structure of stomata[ apparatus.
What are the limitations of root pressure theory?
In plants, active absorption usually does NOT occur when ______.
