Name the cell organelle rich in acid hydrolases.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of a cell organelle that is rich in acid hydrolases. Acid hydrolases are enzymes that function optimally at acidic pH and are involved in breaking down various biomolecules.

2. **Identifying the Organelle**: The organelle that is known for containing a high concentration of acid hydrolases is the lysosome.

3. **Characteristics of Lysosomes**: Lysosomes are membrane-bound organelles found in eukaryotic cells. They are small vesicles that contain a variety of hydrolytic enzymes, including acid hydrolases.

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