Read the following statements and choose the correct option.
Statement A: Cytokinin isolated from unripe maize grains is known as zeatin.
Statement B: Cytokinin delays senescence.
1. Only A is correct
2. Only B is correct
3. Both A & B are correct
4. Both A & B are incorrect
Assertion: | 2, 4-D is artificial auxin. |
Reason: | 2, 4-D is a weedicide and quickly kills mature monocots. |
1. | Both assertion and reason are true and the reason is the correct explanation of the assertion. |
2. | Both assertion and reason are true but the reason is not the correct explanation of the assertion. |
3. | Assertion is true but the reason is false. |
4. | Both assertion and reason are false statements. |
List I | List II |
A. Abscisic acid | I. Induce parthenocarpy |
B. Gibberellin | II. Delay senescence |
C. Auxin | III. Regulates dormancy |
D. Ethylene | IV. Promotes root growth |
List I | List II |
A. Indole Acetic Acid | I. Increase length of grapes stalks |
B. Zeatin | II. Hastens fruit ripening in tomatoes |
C. Gibberellic acid | III. Overcome apical dominance |
D. Ethephon | IV. Rooting in stem cuttings |