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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
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संबंधित प्रश्न
Fill in the blank with the suitable term given below:
Transportation in plants is carried out by a __________ system.
How water absorbed by the roots is important for the plants?
is the following statement true (T) or false (F)? Mark T or F
‘Girdling experiment’ demonstrates food synthesis in plants.
Which experiment demonstrates the transport of food material in plants by phloem?
Name the following:
Movement of ions from the region of lower concentration to higher concentration by using energy (ATP).
Active transport involves ______
Identify the CORRECT statement about the active absorption of water.
Explain the term Active transport.
Active transport is one in which the ions outside the roots move in by utilising ______.
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.
