Question

Give the full form of IBA, NAA and 2-4-D.

Answer 1

IBA is Indole-3-butyric acid,

NAA is 1-Naphthaleneacetic acid

2-4-D is 2,4-Dichlorophenoxyacetic acid.

These all three belongs in Auxin class of plant growth hormones. IBA is a naturally occurring endogenous auxin in plants, whereas 1-Naphthaleneacetic acid (NAA) and 2,4-Dichlorophenoxyacetic acid (2-4-D) are synthetic auxins.

All Auxins play important role in the plant’s life cycle and essential for plant body development.

Answer 2

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☸ Required Answer is ⬇⬇ ⬇


⭕ IBA => indole - 3 butyric acid.

⭕ NAA => 1 - Naphthalene acetic acid.

⭕ 2-4-D => 2,4- Dichlorophenoxy acetic acid.


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