Advertisements
Advertisements
Question
In unisexual plants, sex can be changed by the application of ____________.
Options
Ethanol
Cytokinins
ABA
Auxin
Advertisements
Solution
In unisexual plants, sex can be changed by the application of ABA.
APPEARS IN
RELATED QUESTIONS
______ is a powerful growth inhibitor.
Select the correctly matched one.
| A) Human urine | i) Auxin –B |
| B) Corn gram oil | ii) GA3 |
| C) Fungus | iii) Abscisic acid II |
| D) Herring fish sperm | iv) Kinitin |
| E) Unripe maize grains | v) Auxin A |
| F) Young cotton bolls | vi) Zeatin |
Write the physiological effects of Cytokinins.
What are the parameters used to measure growth of plants?
Substances which originate at the tip of the stem and control growth elsewhere are ______.
The plant hormone used to destroy weeds in a field is ______
Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin.
Which one of the following phytohormones promotes nutrient mobilisation which helps in the delay of leaf senescence in plants?
Read the following statements on plant growth and development.
- Parthenocarpy can be induced by auxins.
- Plant growth regulators can be involved in promotion as well as inhibition of growth.
- Dedifferentiation is a pre-requisite for redifferentiation.
- Abscisic acid is a plant growth promoter.
- Apical dominance promotes the growth of lateral buds.
Choose the option with all correct statements.
Spraying of which of the following phytohormone on juvenile conifers helps in hastening the maturity period, that leads to early seed production?
