An example of ex situ conservation is

Options

A. National Park
B. Seed bank
C. Sanctuary
D. Sacred Grove

Answer

To solve the question "An example of ex situ conservation is," we need to analyze the provided options and understand the concepts of ex situ and in situ conservation.

### Step-by-Step Solution:

1. **Understand the Types of Conservation**:
- Conservation of biodiversity can be classified into two main types: ex situ conservation and in situ conservation.
- **Ex situ conservation** refers to the conservation of living organisms outside their natural habitats. This includes practices like maintaining species in zoos, botanical gardens, or seed banks.
- **In situ conservation** involves conserving species in their natural habitats, such as national parks, wildlife sanctuaries, and biosphere reserves.

2. **Analyze the Options**:
- **Option 1: National Park** - This is an example of in situ conservation as it preserves species in their natural environment.
- **Option 2: Seed Bank** - This is an example of ex situ conservation as it involves storing seeds outside their natural habitat.
- **Option 3: Sanctuary** - Similar to national parks, this is also an example of in situ conservation.
- **Option 4: Sacred Grove** - This is another example of in situ conservation, as it refers to areas preserved for their ecological and cultural significance.

3. **Identify the Correct Answer**:
- From the analysis, the only option that represents ex situ conservation is **Option 2: Seed Bank**.

### Final Answer:
The correct answer is **Seed Bank**.

---