Match the following.
Column-I | Column-II | ||
(A) | IAA | (i) | Herring sperm DNA |
(B) | ABA | (ii) | Bolting |
(C) | Ethylene | (iii) | Stomatal closure |
(D) | GA | (iv) | Weed-free lawns |
(E) | Cytokinins | (v) | Ripening of fruits |
Text Solution
Verified by ExpertsA
A. IAA-Weed free lawn, 2, 4-D and synthetic indole acetic acid kill the broad leaf weeds Thus, used as weedicides.
B. ABA Stomatal closure, ABA is a stress hormone. Under water stressed conditions, it shuts down stomata to reduce the rate of transpiration.
C. Ethylene, a gaseous hormone, is responsible for ripening of fruits.
D. Gibberellic acid does the phenomenon of bolting, i.e., when sprayed on the plant, it increases the internodal region of stem, thus making a plant extremely tall.
E. Cytokinin was isolated from herring sperm DNA, for the first time. Other option are incorrect.
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