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Exine and intine are the parts of...

Exine and intine are the parts of

A

Embryo sac

B

Pollen grain

C

Stigma

D

Seed

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the parts known as Exine and Intine. We need to identify which structure they belong to. 2. **Identifying the Options**: The options provided are: - a) Embryo sac - b) Pollen grain - c) Stigma - d) Seed 3. **Analyzing the Terms**: - Exine and Intine are terms related to the structure of pollen grains. - Exine refers to the outer layer of the pollen grain wall, while Intine refers to the inner layer. 4. **Confirming the Structure**: - Pollen grains are microscopic structures that contain both Exine and Intine as their layers. - The Exine is made of a tough material that helps protect the pollen grain, while the Intine is composed of cellulose and pectin. 5. **Conclusion**: Based on the definitions and the structure of pollen grains, the correct answer is that Exine and Intine are parts of the **pollen grain**. **Final Answer**: Exine and Intine are parts of **pollen grain**. ---
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the parts known as Exine and Intine. We need to identify which structure they belong to. 2. **Identifying the Options**: The options provided are: - a) Embryo sac - b) Pollen grain - c) Stigma ...
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