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प्रश्न
Distinguish between the following :
Cuticular transpiration and lenticular transpiration
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उत्तर
| Cuticular transpiration | lenticular transpiration |
| 1. It is the loss of water through the cuticle present on the epidermis of leaves and herbaceous stem . | 1. It is the loss of water through the lenticels present in the bark of the stem . |
APPEARS IN
संबंधित प्रश्न
Briefly explain, how transpiration helps in upward conduction of water in plants?
The set up shown alongside was kept in sunlight for an hour. It was observed that drops of water appeared on the inside of the polyethylene bag.
- Name the process which is being demonstrated.
- Why was the pot and its soil left uncovered by the polythene bag?
- Why was the pot left in the sunlight?
- Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration is the loss of water from the roots of the plant.
Name the following.
The tissue which conducts water absorbed by the roots to the upper parts of a herbaceous plant.
Define the following term:
Transpiration
Describe briefly the three physical properties of water which helps in ascent of water in xylem.
Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.
Will the ascent of sap be possible without the cohesion and adhesion of the water molecules? Explain.
Observe the diagram and answer the following;
 (i) |
 (ii) |
- Are these types of guard cells found in monocots or dicots?
- Which of these shows a higher water content (i) or (ii)?
- Which element plays an important role in the opening and closing of stomata?
Why is transpiration less in the still wind?
