- 1(current)
Q. No.Consider the given two statements:
Which of the following is correct?
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
| Statement I: | Differentiation in plant cells is an irreversible process, under normal condition, where cells acquire specific structures to perform specialized functions. |
| Statement II: | Dedifferentiation in plants occurs when previously differentiated cells regain the capacity to divide under certain conditions, forming meristematic tissues like cork cambium. |
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Â Growth |Â Differentiation, Dedifferentiation and Redifferentiation |
 64%
Level 2: 60%+
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Which of the following correctly pairs the process with an example?
| A. | Differentiation | - | The formation of xylem and phloem from meristematic tissue |
| B. | Dedifferentiation | - | Formation of secondary xylem |
| 1. | Only A is correct |
| 2. | Only B is correct |
| 3. | Both A and B are correct |
| 4. | Neither A nor B is correct |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 52%
Level 3: 35%-60%
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Redifferentiation in plants refers to:
| 1. | Meristematic cells developing into specialized tissues. |
| 2. | Xylem cells undergoing dedifferentiation to form cambium. |
| 3. | Fully mature tissues losing their ability to perform specialized functions. |
| 4. | Differentiated cells regaining the ability to divide and specialize again. |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 53%
Level 3: 35%-60%
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Hints
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Consider the given two statements:
| I: | Differentiation in plants is open. |
| II: | Cells/tissues arising out of the same meristem have different structures at maturity. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 59%
Level 3: 35%-60%
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- 1(current)
Q. No.
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