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Q. No.Which of the following statements about the cell membrane are correct?
1. I and II only
2. II and III only
3. I and III only
4. I, II and III
| I: | It is a selectively permeable phospholipid bilayer. |
| II: | It contains integral proteins for specific transport functions. |
| III: | It is composed mainly of cellulose in plant cells. |
2. II and III only
3. I and III only
4. I, II and III
Subtopic: Cell Wall |
66%
From NCERT
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Consider the given two statements:
Options:
| Assertion (A): | The cell wall of a young plant cell, called the primary wall, is capable of growth. |
| Reason (R): | As the cell matures, the secondary wall is formed on the inner (towards the membrane) side of the cell. |
| 1. | Both (A) and (R) are True, and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True, but (R) is not the correct explanation of (A) |
| 3. | (A) is True, but (R) is False |
| 4. | (A) is False, but (R) is True |
Subtopic: Cell Wall |
91%
From NCERT
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Q. No.
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