It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
|
Cytokinin and Abscisic acid
Auxin and Ethylene
Gibberellin and Cytokinin
Gibberellin and Abscisic acid
Removal of shoot tips is a very useful technique to boost the production of tea- leaves. This is because |
Gibberellins prevent bolting and are inactivated.
Auxins prevent leaf drop at early stages.
Effect of auxins is removed and growth of lateral buds is enhanced.
Gibberellins delay senescence of leaves.
Match the following concerning the activity/function and the phytohormone involved :- (a) Fruit ripener (i) Abscisic acid (b) Herbicide (ii) GA 3 (c) Bolting agent (iii) 2, 4-D (d) Stress hormone (iv) Ethephon Select the correct option from following :- |
(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
PGRs can be broadly divided into two groups – plant growth promoters and plant growth inhibitors. Ethylene: |
Match each item in Column I with the one given in Column II and select the correct match from the codes given:
Codes:
|
Answered | Not Answered | Not Visited | Correct : 0 | Incorrect : 0 |