In the following in each set a conservation approach and an example of method of conservation are given
A. In situ conservation - Biosphere Reserve
B. Ex situ conservation - Sacred groves
C. In situ conservation - Seed bank
D. Ex situ conservation - Cryopreservation
Select the option with correct match of approach and method:

Options

A. A and D
B. B and D
C. A and B
D. A and C

Answer

To solve the question regarding the correct match of conservation approaches and methods, we need to analyze each option provided:

### Step-by-Step Solution:

1. **Understanding In Situ Conservation**:
- In situ conservation refers to the conservation of species in their natural habitats. This method allows for the preservation of the ecosystem and the species that live within it.
- **Example**: Biosphere Reserve is a protected area that conserves biodiversity and ecosystems in their natural state.
- **Conclusion**: **In situ conservation - Biosphere Reserve** is a correct match.

2. **Understanding Ex Situ Conservation**:
- Ex situ conservation involves the preservation of species outside their natural habitats. This can include various methods such as zoos, botanical gardens, and seed banks.
- **Example**: Sacred groves are areas of forest that are protected by local communities and are considered sacred. They are a form of in situ conservation, not ex situ.
- **Conclusion**: **Ex situ conservation - Sacred groves** is an incorrect match.

3. **Analyzing Seed Banks**:
- Seed banks are facilities that store seeds for future use, preserving genetic diversity outside of their natural habitat.
- **Conclusion**: **In situ conservation - Seed bank** is an incorrect match, as seed banks are a method of ex situ conservation.

4. **Understanding Cryopreservation**:
- Cryopreservation is a technique used to preserve cells, tissues, or any biological constructs by cooling them to very low temperatures. This method is a form of ex situ conservation.
- **Conclusion**: **Ex situ conservation - Cryopreservation** is a correct match.

5. **Final Evaluation**:
- Now, we summarize the matches:
- A. In situ conservation - Biosphere Reserve: **Correct**
- B. Ex situ conservation - Sacred groves: **Incorrect**
- C. In situ conservation - Seed bank: **Incorrect**
- D. Ex situ conservation - Cryopreservation: **Correct**
- The only correct match is option A.

### Final Answer:
The correct option with the match of approach and method is **A. In situ conservation - Biosphere Reserve**.