- 1(current)
Q. No.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 |
Subtopic: Â Growth |Â Growth Model |Â Growth Terminology |
 80%
Level 1: 80%+
Hints
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 |
Subtopic: Â Growth |Â Growth Terminology |
 80%
Level 1: 80%+
Hints
The shape of the growth curve characteristic of a living organism growing in natural environment is:
| 1. | Linear | 2. | Sigmoid |
| 3. | Hyperbola | 4. | Bell shaped |
Subtopic: Â Growth Terminology |
 89%
Level 1: 80%+
Hints
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 |
Subtopic: Â Growth |Â Growth Terminology |
 89%
Level 1: 80%+
Hints
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
| 1. Efficiency index | 2. Plasticity |
| 3. Norm of reaction | 4. Developmental noise |
Subtopic: Â Growth Terminology |Â Development |
 96%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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