NEET 2012 Biology question

Through their effect on plant growth regulators, what do the temperature and light control in the plants?

(1)Fruit elongation
(2)Apical dominance
(3)FloweringCorrect
(4)Closure of stomata

Answer: (3)

Solution

Photoperiod (light) and temperature (e.g. vernalisation) are the main environmental factors that control flowering through their effect on plant growth regulators (florigen, gibberellins). Fruit elongation,

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Question ID VK-091049