Class 11 · Plant Growth and Development

Physiological Effects of Plant Growth Regulators — NEET Biology

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Let us study some of the physiological effects of these five categories of PGRs in the next section.

NCERT Biology · Class 11 · Chapter 13 · Paragraph 33
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Match the following plant growth regulators with their primary physiological effects or agricultural applications: Column I (Physiological Effect/Application) A. Hastens fruit ripening in tomatoes and apples B. Promotes bolting in beet and cabbages C. Induces parthenocarpy in tomatoes D. Helps overcome apical dominance E. Increases tolerance to various kinds of stresses Column II (Plant Growth Regulator) 1. Auxin 2. Gibberellin 3. Cytokinin 4. Ethylene 5. Abscisic acid (ABA)

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