All the following contribute to an increase in girth of dicots and gymnosperms except:
1. Apical meristem | 2. Lateral meristems |
3. Vascular cambium | 4. Cork-cambium |
Identify the incorrect statement regarding the arithmetic growth?
1. | Following mitosis, both daughter cells continue to divide |
2. | Can be exemplified by root elongating at a constant rate |
3. | On plotting the length of the organ against time, a linear curve is obtained |
4. | Mathematically it is expressed as |
Plant growth and further development is intimately linked to water status of the plant because:
A. Turgidity of cells helps in extension growth
B. It provides medium for enzymatic activity
1. Both A and B are correct
2. Only A is correct
3. Only B is correct
4. Both A and B are incorrect
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): | Plants retain the capacity for unlimited growth throughout their life. |
Reason (R): | Plants have meristems at certain locations in their body. |
In the light of the above statements choose the correct answer from the options given below:
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. | Both (A) and (R) are False. |