Which of the following is an extant subspecies of tiger?

Options

A. Javan tiger
B. Bengal tiger
C. Caspian tiger
D. Bali tiger

Answer

To determine which of the following is an extant subspecies of tiger, we need to analyze the options provided and identify whether they are still in existence.

### Step-by-Step Solution:

1. **Understand the term "extant":**
- Extant refers to species or subspecies that are currently living and not extinct.

2. **Evaluate the options:**
- **Option A: Java Tiger**
- The Java tiger was native to Indonesia and was declared extinct in the 1970s. Therefore, it is not extant.

- **Option B: Bengal Tiger**
- The Bengal tiger is currently found in regions such as Bangladesh, India, and Bhutan. It is still in existence and is considered an extant subspecies.

- **Option C: Caspian Tiger**
- The Caspian tiger was also native to regions around the Caspian Sea and was declared extinct in the 1970s. Thus, it is not extant.

- **Option D: Bali Tiger**
- The Bali tiger was native to Indonesia and was declared extinct in the 1950s. Therefore, it is not extant.

3. **Conclusion:**
- After evaluating all the options, the only extant subspecies of tiger is the **Bengal tiger**.

### Final Answer:
- The extant subspecies of tiger is **Option B: Bengal Tiger**.