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प्रश्न
State the main function of the Guard cells
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उत्तर
Help to regulate the rate of transpiration by opening and closing of stomata
APPEARS IN
संबंधित प्रश्न
Active Transport and Diffusion [Significance in plants]
The Biological/technical term for The process of uptake of mineral ions against the concentration gradient using energy from the cell
Name the plant tissue which helps in carrying the food to different parts of a plant.
Fill in the blank with the suitable term given below:
Transportation in plants is carried out by a __________ system.
Fill in the blank with the suitable term given below:
The leaves have more__________ on their lower surface.
is the following statement true (T) or false (F)? Mark T or F
‘Girdling experiment’ demonstrates food synthesis in plants.
Pumps are related to
Explain the term Active transport.
The process for which energy is required is ______.
Three cylinders of potato were carefully dried on blotting paper and weighed. Each piece weighed 3 grams. Each one was placed in the beaker as shown below:
Answer the following questions:
- After 48 hours, which potato cylinder would be the heaviest?
- The movement of which substance is mainly responsible for the weight change in the potato cylinders?
- Name and define the process which is responsible for the movement of the substance mentioned in answer (b).
- Write specific names of the processes which occur in beakers B and C. [kinds of processes defined in answer (c)].
- Would there be any difference in the weight of the potato cylinder in beaker A after 48 hours? Give reason.
