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Biology
Identify the incorrect statement about ABA growth regulator.
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Q. Identify the incorrect statement about ABA growth regulator.
AIIMS
AIIMS 2017
Plant Growth and Development
A
It increases the tolerance of plants against different stresses
4%
B
It acts as general plant growth inhibitor and inhibitor of metabolism
17%
C
It helps in seed maturation and dormancy
13%
D
It promotes morphogenesis and differentiation of shoots
66%
Solution:
Abscisic acid (ABA) is a growth inhibitor. Both auxins and cytokinins are essential for morphogenesis or differentiation of tissues and organs. Auxins stimulate root formation however when cytokinins are in excess stem buds develop.