The true natural auxin of higher plants is
a) Indole-3 acetic Acid
b) Indole-3 acetaldehyde
c) Indole-3 pyruvic Acid
d) Indole-3 nitric Acid .
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3
1st option indole 3 acetic acid
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The right answer is option a, which is ndole-3 acetic Acid.
It is the common hormone which occurs in the natural auxin, which in a way is responsible for the growth of the plants.
Basically, it is a solid form which is colorless.
It is easily soluble in the organic solvents.
It is commonly called as auxin only, and not in its chemical form.
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