First slide
Plant Growth Regulators
Question

Read the following statements A. B. C, and D with respect to the physiological effects of gibberellins, and select the correct option having two correct statements. 
A. Gibberellin is used to speed up the malting process in the brewing industry. 
B. Spraying sugarcane crop with gibberellins increases the yield as much as 20 tons per acre.
C. Gibberellins help overcome apical dominance.
D. It promotes rapid internode/petiole elongation in deep water rice plants. 

Easy
Solution

Gibberellins speed up malting process in the brewing industry. They increase the yield of sugarcane yield by 20 tons per acre. They do not show any influence on apical dominance. Ethylene causes rapid elongation of internodes and petioles of deep water rice. 

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