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Question

Semi‑dwarf rice gene Sd‑1 affects synthesis of:

Options

Choose one · Correct answer highlighted

Explanation

That points to B: Gibberellin. Compared with the other options, Gibberellin is the one that correctly describes the Phytohormone ALL concept. The wrong ones are A) Auxin; C) Cytokinin; D) ABA. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.