hypodermis in monocotyledonous stem is

Options

A. parenchyma
B. chlorenchyma
C. sclerenchyma
D. collenchyma

Answer

**Step-by-Step Solution:**

1. **Understanding Hypodermis**: The hypodermis is a layer of tissue located just beneath the epidermis in plant stems. It plays a role in providing structural support and can also be involved in storage.

2. **Identifying the Types of Tissues**: The question provides four options: parenchyma, chlorenchyma, sclerenchyma, and polenchyma. We need to determine which of these is present in the hypodermis of a monocotyledonous stem.

3. **Evaluating Parenchyma**: Parenchyma is a type of ground tissue that is found in both primary and secondary phloem. However, it is not typically present in monocot stems. Therefore, parenchyma can be ruled out as an option.

4. **Evaluating Polenchyma**: Polenchyma is a specialized type of parenchyma that is found in the stems and leaf stalks of dicots. It is not found in monocots, so this option can also be ruled out.

5. **Evaluating Chlorenchyma**: Chlorenchyma is a type of parenchyma that contains chloroplasts and is involved in photosynthesis. Similar to the previous options, chlorenchyma is not present in monocots, ruling it out as well.

6. **Evaluating Sclerenchyma**: Sclerenchyma is a supportive tissue that is characterized by thick, lignified cell walls. It is commonly found in monocots, especially in their early stages of development. Therefore, sclerenchyma is present in the hypodermis of monocot stems.

7. **Conclusion**: Based on the evaluation of the options, the hypodermis in monocotyledonous stems is primarily composed of sclerenchyma.

**Final Answer**: The hypodermis in monocotyledonous stem is sclerenchyma.

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