Bidder's canal in frog is present in

Options

A. Testes
B. Kidney
C. Ovary
D. Brain

Answer

To answer the question regarding the location of Bidder's canal in frogs, we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Understanding Bidder's Canal**: Bidder's canal is a structure found in frogs that plays a role in the reproductive system.

2. **Function of Bidder's Canal**: The primary function of Bidder's canal is to transport sperm from the testes. It is responsible for carrying sperm from the testis to the vasa efferentia.

3. **Identifying the Location**: The question asks where Bidder's canal is located in frogs. The options provided are:
- a) Testis
- b) Kidney
- c) Ovary
- d) Brain

4. **Correct Answer**: Based on the function and anatomical studies of frogs, Bidder's canal is present in the kidney. Therefore, the correct answer is **b) Kidney**.

5. **Conclusion**: Bidder's canal is an important structure in the reproductive system of frogs, specifically located in the kidney.