First slide
Plant Growth Regulators
Question

 Match the List I with List II and choose the correct match.

 List I List II
A)Synergistic effect of cytokinins and auxinsI)Swelling of shoot
B)Individual effects of auxinII)Seed dormancy
C)Individual effect of ABAIII)Control of dicot weeds
D)Individual effect of ethyleneIV)Morphogenesis

Easy
Solution

Cytokinins and auxins together promote callus formation and organogenesis or morphogenesis. Dicot weeds are controlled by spraying synthetic auxins like 2,4-dichlorophenoxy acetic acid which does not show any effect on monocot weeds. Seed dormancy is promoted by Abscissic acid. Shoot swelling is promoted by Ethylene.

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