Select the wrong pair.

Options

A. Oparin – Probiont
B. Spallanzani – Approve abiogenesis
C. Haldane – Hot dilute soup
D. Fox – Microspheres

Answer

To solve the question of selecting the wrong pair from the given options, we will analyze each pair one by one.

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Operon**: This term typically refers to a functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter.
- **Probiont**: This refers to a primitive form of life that is not a true cell. It is a precursor to the first cells.
- **Splanzini**: Likely refers to Francesco Redi, Lazzaro Spallanzani, and Louis Pasteur, who conducted experiments that disproved the theory of spontaneous generation (abiogenesis).
- **Abiogenesis**: This is the hypothesis that life can arise from non-living matter.
- **Haldane**: Refers to J.B.S. Haldane, who proposed the "hot dilute soup" theory regarding the origin of life.
- **Hot Dilute Soup**: This concept refers to the early Earth’s environment where life could have originated from simple organic compounds.
- **Fox Microspheres**: Refers to structures discovered by Sidney Fox that are considered protobionts and are formed from lipids.

2. **Analyze Each Pair**:
- **Operon, Probiont**: This pair seems correct as operons are related to genetic regulation, while probionts are primitive life forms.
- **Splanzini, Approved Abiogenesis**: This pair is incorrect because Spallanzani, along with others, actually disproved abiogenesis, meaning he did not approve of it.
- **Haldane, Hot Dilute Soup**: This pair is correct as Haldane is known for the hot dilute soup theory.
- **Fox, Microsphere**: This pair is also correct as Sidney Fox is known for his work on microspheres.

3. **Conclusion**:
- The wrong pair is **Splanzini, Approved Abiogenesis** because Spallanzani did not approve of abiogenesis; he rejected it.

### Final Answer:
The wrong pair is **B: Splanzini, Approved Abiogenesis**.