List-I | List-II | ||
A. | Ethylene | I. | Increase length of stem |
B. | Cytokinins | II. | Promotion of senescence and abscission |
C. | ABA | III. | Delaying leaf senescence |
D. | Gibberellins | IV. | Inhibition of seed germination |
A. | All GAs are acidic in nature. |
B. | Auxins are antagonists to GAs. |
C. | Zeatin was isolated from coconut milk. |
D. | Ethylene induces flowering in Mango. |
E. | Abscisic acid induces parthenocarpy. |
1. | A,C,D | 2. | B,E |
3. | A,B,C | 4. | B,D,E |
List I | List II | ||
A. | Abscisic acid | I. | Promotes female flowers in cucumber |
B. | Ethylene | II. | Helps seeds to withstand desiccation |
C. | Gibberellin | III. | Helps in nutrient mobilisation |
D. | Cytokinin | IV. | Promotes bolting in beet cabbage etc |
List - I | List - II | ||
(A) | Auxin | (I) | Promotes female flower formation in cucumber |
(B) | Gibberellin | (II) | Overcoming apical dominance |
(C) | Cytokinin | (III) | Increase in the length of grape stalks |
(D) | Ethylene | (IV) | Promotes flowering in pineapple |
Options: | (A) | (B) | (C) | (D) |
1. | II | I | IV | III |
2. | IV | III | II | I |
3. | I | III | IV | II |
4. | III | II | I | IV |
You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?
1. IAA and gibberellin
2. Auxin and cytokinin
3. Auxin and abscisic acid
4. Gibberellin & abscisic acid
Coconut milk factor is:
1. An auxin
2. A gibberellin
3. Abscisic acid
4. Cytokinin
Which of the following PGR is present in coconut milk which is used in tissue culture?
1. Cytokinin
2. Auxin
3. Gibberellin
4. Ethylene