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प्रश्न
Active transport is in a direction ______ to that of diffusion.
विकल्प
opposite
same
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उत्तर
Active transport is in a direction opposite to that of diffusion.
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.
is the following statement true (T) or false (F)? Mark T or F
‘Girdling experiment’ demonstrates food synthesis in plants.
Active transport is one in which the ions outside the roots are ___________.
Active transport involves ______
Identify the INCORRECT statement from the following.
In a passive transport across a membrane, when two different molecules move in opposite direction and independent of each other, it is called as ______.
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.
