Spraying of which of the following phytohormone on juvenile conifers helps in hastening the maturity period, that leads to early seed production?

1. Abscisic Acid

2. Indole-3-butyric Acid

3. Gibberellic Acid

4. Zeatin

Doubtly Asked 30 Oct 2026 NEET UG 2023 Practice test neet Save WhatsApp Report

1 answer

Best answer

Answer: 3. Gibberellic Acid

Key idea: Spraying gibberellic acid (GA) on juvenile conifers hastens maturity, so they produce seeds early.

ABA is a stress hormone, IBA is an auxin used for rooting, and zeatin is a cytokinin.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

Was this answer helpful?