NEET 2004 Biology question

Cell elongation in internodal regions of the green plants takes place due to :-

(1)Cytokinins
(2)GibberellinsCorrect
(3)Ethylene
(4)Indole acetic acid

Answer: (2)

Solution

Gibberellins (GA) cause marked elongation of the internodes (stem elongation), for example bolting in rosette plants such as cabbage and the increased length of sugarcane stems. Cytokinins promote cell division, ethylene promotes

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Question ID VK-089491