Which of the following will be done with a product formed by rDNA technology?

Options

A. Product has to be formulated with suitable preposition.
B. Formulation has to undergo clinical trials.
C. Strict quality control testing is done.
D. All the above

Answer

### Step-by-Step Solution

1. **Understanding rDNA Technology**: Recombinant DNA (rDNA) technology involves combining DNA from different organisms to create new genetic combinations. This technology is widely used in biotechnology, medicine, and research.

2. **Analyzing the Options**:
- **Option 1**: "Product has to be formulated with a suitable proposition."
- This means that the product derived from rDNA technology needs to be formulated properly for its intended use. This statement is correct.

- **Option 2**: "Formulation has to undergo clinical trials."
- Clinical trials are essential for testing the safety and efficacy of products, especially in medicine. This statement is also correct.

- **Option 3**: "Strict quality control testing is done."
- Quality control is crucial in ensuring that the products are safe and effective. This statement is correct as well.

- **Option 4**: "All of the above."
- This option encompasses all the previous statements, indicating that all the mentioned procedures are applicable to products formed by rDNA technology.

3. **Conclusion**: Since all the options (1, 2, and 3) are correct, the best answer is **Option 4: All of the above**.