Which of the following pairs is not correct?

Options

A. `{:("E. Haecker",-,"coined the term ,Ecology"):}`
B. `{:("Tansley",-,"Coined the term 'Ecosystem"):}`
C. `{:("R. Mishra",-,"Father of indian Ecology"):}`
D. None of these

Answer

To solve the question "Which of the following pairs is not correct?", we will analyze each option provided in the question to determine if the pairs are accurate or not.

### Step-by-Step Solution:

1. **Identify the Options**: Start by listing the pairs provided in the question. Each pair consists of a name and a term or concept associated with that name.

2. **Evaluate the First Option**:
- The first option states that "E-Haeckel coined the term ecology."
- Research shows that Ernst Haeckel, a German zoologist, indeed coined the term "ecology."
- Therefore, this pair is correct.

3. **Evaluate the Second Option**:
- The second option states that "Tansley coined the term ecosystem."
- Arthur Tansley, an English botanist, is credited with coining the term "ecosystem" in 1935.
- Thus, this pair is also correct.

4. **Evaluate the Third Option**:
- The third option states that "R. Mishra is the father of Indian ecology."
- Professor Ramdev Mishra is recognized as the father of Indian ecology.
- Therefore, this pair is correct as well.

5. **Evaluate the Fourth Option**:
- The fourth option states "None of these."
- Since all previous pairs are correct, this option indicates that there are no incorrect pairs listed.

6. **Conclusion**: Since all the pairs mentioned in the first three options are correct, the answer to the question "Which of the following pairs is not correct?" is option number 4, which states "None of these."

### Final Answer:
The correct answer is option 4: None of these.

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