Testes are internal and canines are premolar are absent in one of the following ?

Options

A. Rabbit
B. Elephant
C. Whale
D. Goat

Answer

To solve the question "Testes are internal and canines and premolars are absent in one of the following?", we will analyze each option provided:

1. **Understanding the Question**: We need to identify which animal has internal testes and lacks canines and premolars.

2. **Analyzing the Options**:
- **Option A: Rabbit**: Rabbits have external testes and possess both canines and premolars. Therefore, this option does not fit the criteria.
- **Option B: Elephant**: Elephants have internal testes. They do not have canines and premolars in the traditional sense; instead, their incisors develop into tusks, and they have a specific dental formula that does not include these types of teeth. This option fits the criteria.
- **Option C: Whale**: Whales have internal testes, but they do possess teeth that can be categorized as canines and premolars, depending on the species. Therefore, this option does not fit the criteria.
- **Option D: Goat**: Goats have external testes and possess canines and premolars. Therefore, this option does not fit the criteria.

3. **Conclusion**: Based on the analysis, the only animal that has internal testes and lacks canines and premolars is the elephant.

**Final Answer**: The correct answer is **Option B: Elephant**.