Here's the question bank on all the agriculture officer topics.
Which of the following auxin is used for root formation?
The correct answer is IBA. Plant growth hormones or phytohormones are simple molecules with complex chemical composition. They regulate the growth and physiology of plants. Auxins:Indole-3-acetic acid (IAA): Prevents premature fruit drop, natural auxin hormone. Indole-3-butyric acid (IBA):Mainly used for root formation. Naphthaleneacetic acid (NAA):Fruit thinner, prevent fruit drop.
Scan QR code to download our App for
more exam-oriented questions
OR
To get link to download app