Which of the following statements is true for a secretory cell ?

Options

A. Golgi apparatus is absent
B. Rough Endoplasmic Reticulum (RER) is easily observed in the cell
C. Only Smooth Endoplasmic Reticulum(SER) is present
D. Secretory granules are formed in nucleus.

Answer

To determine which statement is true for a secretory cell, we will analyze each of the provided options step by step.

### Step-by-Step Solution:

1. **Evaluate the first option: "Golgi apparatus is absent."**
- Secretory cells are known for their role in producing and secreting substances such as hormones, enzymes, and mucus. The Golgi apparatus plays a crucial role in modifying, sorting, and packaging these secretory products. Therefore, this statement is **false** because the Golgi apparatus is present in secretory cells.

**Hint:** Remember the role of the Golgi apparatus in secretion.

2. **Evaluate the second option: "Rough endoplasmic reticulum is easily observed in the cell."**
- The rough endoplasmic reticulum (RER) is studded with ribosomes, which gives it a "rough" appearance. It is primarily involved in the synthesis of proteins that are either secreted from the cell or incorporated into the cell's membranes. In secretory cells, the RER is abundant because these cells produce a large amount of protein. Thus, this statement is **true**.

**Hint:** Consider the relationship between protein synthesis and the presence of rough endoplasmic reticulum.

3. **Evaluate the third option: "Only smooth endoplasmic reticulum is present."**
- This statement is incorrect because secretory cells contain both rough and smooth endoplasmic reticulum. The smooth endoplasmic reticulum is involved in lipid synthesis and detoxification processes, but it does not replace the rough endoplasmic reticulum. Therefore, this statement is **false**.

**Hint:** Recall the functions of both types of endoplasmic reticulum in secretory cells.

4. **Evaluate the fourth option: "Secretory granules are formed in the nucleus."**
- Secretory granules are not formed in the nucleus; they are formed in the cytoplasm, particularly in the Golgi apparatus and the endoplasmic reticulum. This statement is also **false**.

**Hint:** Think about where granules are typically processed and formed within the cell.

### Conclusion:
Based on the evaluation of all the options, the correct answer is that the second option, "Rough endoplasmic reticulum is easily observed in the cell," is true for a secretory cell.