NEERI is

Options

A. National Ethological and Ecological Research Institute
B. National Eugenics and Ecological Research Institute
C. National Ecological and Environment Research Institute
D. National Environmental Engineering Research Institute

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Acronym NEERI**: The question asks about the full form of the acronym NEERI. It is important to identify what NEERI stands for.

2. **Analyzing the Options**: The options provided are:
- A) National Ethological and Ecological Research Institute
- B) National Eugenics and Ecological Research Institute
- C) National Ecological and Environmental Research Institute
- D) National Environmental Engineering Research Institute

3. **Identifying the Correct Option**:
- Option A is incorrect because it mentions "Ethological," which is not related to NEERI's focus.
- Option B is incorrect as "Eugenics" does not relate to environmental research.
- Option C is incorrect because while it mentions "Ecological" and "Environmental," it does not specify "Engineering," which is a key aspect of NEERI.
- Option D states "National Environmental Engineering Research Institute," which correctly describes NEERI's focus on environmental engineering.

4. **Confirming the Background of NEERI**: NEERI was established in 1958 in Nagpur, India, under the Ministry of Science and Technology. Its primary focus is on environmental issues, including water supply and sewage disposal.

5. **Conclusion**: After analyzing all the options and confirming the background information, we conclude that the correct answer is:
- **D) National Environmental Engineering Research Institute**.