The genetic exchange between bacteria via direct physical contact through a pilus is called: MCQ with Answer and Explanation

The genetic exchange between bacteria via direct physical contact through a pilus is called:
A. Conjugation
B. Mutation
C. Transduction
D. Transformation
Answer: Option A
Solution (By JKSSB Mock Tests)
Conjugation involves the transfer of plasmid or chromosomal DNA from a donor (F+) to a recipient (F-) through a sex pilus. Transformation is uptake of free DNA, transduction is gene transfer by bacteriophage, mutation is a change in DNA sequence. Conjugation is often considered bacterial mating.

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The scientist who proposed the 'indirect fit' model of enzyme action was:
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Correct Answer: Option D


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Correct Answer: Option D


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