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The portion of tigellum below the level ...

The portion of tigellum below the level of cotyledons in dicot enbryo is termed as

A

Scutellum

B

Epiblast

C

Hypocotyl

D

Epicotyl

Text Solution

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The correct Answer is:
To answer the question about the portion of the tegulum below the level of cotyledons in a dicot embryo, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Tegulum**: - The tegulum, also known as the embryo axis, is a crucial part of the dicot embryo. It serves as the main structure from which the cotyledons (seed leaves) arise. 2. **Identifying the Cotyledons**: - Cotyledons are the first leaves that appear during the germination of a seed. In dicots, there are typically two cotyledons. 3. **Locating the Portion Below Cotyledons**: - The question specifically asks for the portion of the tegulum that is located below the level of the cotyledons. 4. **Understanding the Options**: - **Scutellum**: This is a term used for a modified cotyledon found in monocots, so it is not the correct answer. - **Epiblast**: This is a structure found in monocots and does not relate to the dicot embryo, making it an incorrect option. - **Hypocotyl**: This is the part of the stem of the germinating seedling that is located below the cotyledons. This matches our requirement. - **Epicotyl**: This is the portion of the stem above the cotyledons, which is not what we are looking for. 5. **Conclusion**: - Based on the definitions and locations of the structures, the correct answer to the question is **hypocotyl**. ### Final Answer: The portion of the tegulum below the level of cotyledons in a dicot embryo is termed as **hypocotyl**.
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