Isinglass (gelatine-like transparent substance) is obtained form

Options

A. some snakes
B. some fishes
C. some aves
D. none of these

Answer

### Step-by-Step Solution:

1. **Understanding Isinglass**:
- Isinglass is described as a gelatin-like, transparent substance. It is important to recognize its properties and origin.

2. **Identifying the Source**:
- Isinglass is specifically obtained from the swim bladder of certain fish. The swim bladder is an internal gas-filled organ that helps fish maintain buoyancy.

3. **Recognizing the Fish**:
- The primary source of isinglass is from fish such as sturgeons. These fish are known for their swim bladders, which are processed to extract isinglass.

4. **Usage of Isinglass**:
- Isinglass is commonly used as a clarifying agent in various products, including jellies and glue. Its gelatin-like properties make it useful in these applications.

5. **Analyzing the Options**:
- The options provided were: some snakes, some fishes, some apes, and none of these. Based on the information gathered, the correct option is "some fishes".

6. **Conclusion**:
- Therefore, the correct answer to the question is that isinglass is obtained from some fishes.

### Final Answer:
Isinglass (gelatin-like transparent substance) is obtained from **some fishes**.

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