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CBSE 2026 · Region 4 · Set 3 · Q5 · 1 mark

Thorns of Bougainvillea and tendrils of Cucurbita are examples of :

Principles of Inheritance and VariationPleiotropyRemembermcqmedium

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CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.