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प्रश्न
Which of the following process requires energy?
पर्याय
active transport
diffusion
osmosis
all of them
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उत्तर
active transport
APPEARS IN
संबंधित प्रश्न
Describe the role played by protein pumps during active transport in plants.
Lenticels or stomata (Which one remains open always ?)
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:
Most water gets evaporated from the plant from its __________.
Fill in the blank with the suitable term given below:
The leaves have more__________ on their lower surface.
Name the following:
Movement of ions from the region of lower concentration to higher concentration by using energy (ATP).
Pumps are related to
The process for which energy is required is ______.
Define the following term:
Active transport
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.
