NEET Previous Year Question
Given below is the diagram of a bacteriophage. In which one of the options all four parts A, B, C and D are correct?
Topic: NEET PYQ
Answer: C. Full step-by-step solution below.
- AA: Tail fibres, B: Head, C: Sheath, D: Collar
- BA: Sheath, B: Collar, C: Head, D: Tail fibres
- CA: Head, B: Sheath, C: Collar, D: Tail fibres
- DA: Collar, B: Tail fibres, C: Head, D: Sheath
Correct answer: C
Solution
(c) In a typical bacteriophage structure:• Head contains genetic material
• Sheath is the contractile tail part
• Collar connects head and tail
• Tail fibres help in attachment to host bacteria
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