Q. No.In the exponential growth equation Nt =N0ert, e represents :
1. The base of natural logarithms
2. The base of geometric logarithms
3. The base of number logarithms
4. The base of exponential logarithms
1. Lt = L0 +rt
2. Lt = L0 rt
3. W1 = W0ert
4. W1 = W0 + ert
| Column I | Column II | ||
| A. | Auxins | P. | Terpenes |
| B. | Gibberellins | Q. | Derivatives of carotenoids |
| C. | Cytokinins | R. | Adenine derivative |
| D. | Abscisic acid | S. | Indole compounds |
| A | B | C | D | |
| 1. | S | P | R | Q |
| 2. | P | Q | S | R |
| 3. | Q | R | P | S |
| 4. | R | S | Q | P |
1. Maize
2. Cotton
3. Coriander
4. Buttercup
| 1. | kill dicotyledonous weeds in the fields |
| 2. | speed up the malting process |
| 3. | promote root growth and root hair formation to increase the absorption surface |
| 4. | help overcome apical dominance |
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. | is defined as an irreversible permanent increase in size of an organ or its parts or even an individual cell. |
| 2. | Is accompanied by metabolic processes, both catabolic and anabolic . |
| 3. | Is accompanied only by anabolism . |
| 4. | More than one option is correct . |
© 2025 GoodEd Technologies Pvt. Ltd.