Q. No.Growth can be measured in various ways. Which of these can be used as parameters to measure growth?
1. increase in cell number
2. increase in cell size
3. increase in length and weight
4. All of these
The maximum growth rate occurs in:
1. Senescent phase
2. Lag phase
3. Exponential phase
4. Stationary phase
Interfascicular cambium and cork cambium are formed due to
1. cell division
2. cell differentiation
3. cell dedifferentiation
4. redifferentiation
1. Redifferentiation
2. Dedifferentiation
3. Maturation
4. Differentiation
| 1. | Phase of cell elongation of plant cells is characterized by increased vacuolation. |
| 2. | Cells in the meristematic phase of growth exhibit abundant plasmodesmatal connections |
| 3. | Plant growth is generally determinate |
| 4. | Plant growth is measurable |
The living differentiated cells, that lost the capacity to divide anymore, can regain the capacity of division under certain conditions. This phenomenon is termed as:
| 1. | Redifferentiation | 2. | Maturation |
| 3. | Differentiation | 4. | Dedifferentiation |
1. Differentiation
2. Dedifferentiation
3. Redifferentiation
4. Secondary growth
Plasticity in plant growth means that
1. plant roots are extensible
2. plant development is dependent on the environment
3. stems can extend
4. None of the above
1. Maize
2. Cotton
3. Coriander
4. Buttercup
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