The thin and continuous wall layer of pollen is

Options

A. exine
B. intine
C. germ pore
D. endothecium

Answer

**Step-by-Step Solution:**

1. **Understanding Pollen Structure**: Pollen grains are the male gametes in flowering plants and are covered by two layers.

2. **Identifying the Layers**: The two layers of the pollen grain are:
- The inner layer, which is thin and continuous.
- The outer layer, which is thicker and discontinuous.

3. **Naming the Inner Layer**: The thin and continuous inner layer of the pollen grain is known as **Entine**.

4. **Composition of Entine**: The entine is primarily composed of pectin and cellulose, making it pactin and cellulose in nature.

5. **Identifying the Outer Layer**: The outer layer of the pollen grain is called **Exine**. It is thicker and has pores known as germ pores, which facilitate the process of fertilization.

6. **Conclusion**: Therefore, the answer to the question "The thin and continuous wall layer of pollen is" is **Entine**.

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