CBSE 2025, Set 2

Question

Given below is a diagram of T.S. of a monocot seed with parts I, II & III labelled:

![T.S. of Monocot Seed](https://www.edvaya.com/images/cbse/biology/2025/ts-monocot-seed.webp)

Choose the option where parts I, II and III are identified correctly. A). I: Pericarp, II: Endosperm, III: Scutellum B). I: Pericarp, II: Endosperm, III: Coleorhiza C). I: Scutellum, II: Pericarp, III: Coleorhiza D). I: Coleorhiza, II: Scutellum, III: Pericarp

Edvaya · Accepted Answer

The correct answer is I: Pericarp, II: Endosperm, III: Coleorhiza. **SOLUTION** Based on the transverse section (T.S.) of a typical monocot seed (like maize): * **I** indicates the fused seed coat and fruit wall, known as the **Pericarp**. * **II** points to the large, starchy nutrient-storing tissue, which is the **Endosperm**. * **III** points to the protective sheath covering the radicle (root tip), which is the **Coleorhiza**. Thus, the correct identification is I-Pericarp, II-Endosperm, III-Coleorhiza.

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Biology > Reproduction And Genetics > Sexual Reproduction In Flowering Plants

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