Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in plants?
1. | Cytokinin | 2. | ABA |
3. | Gibberellin | 4. | Ethylene |
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 |
Which hormone is used to induce immediate stomatal closure in leaves?
1. Cytokinin
2. Gibberellin
3. Abscisic Acid
4. Auxin
Removal of apical dominance by decapitation is utilised for:
1. Suppressing the activity of intercalary meristem
2. Early senescence
3. Hedge making
4. Preparing weed-free lawns
1. | |
2. | |
3. | |
4. |
1. | A = Initial slow growth, B = Rapid growth, C = Phase of growth during limited nutrient supply |
2. | A = Rapid growth, B = Initial slow growth, C = Phase of growth during limited nutrient supply |
3. | A = Lag phase, B = Stationary phase, C = Exponential phase |
4. | A = Exponential phase, B = Stationary phase, C = Lag phase |