NTA Abhyas NEET2020BotanyBiological ClassificationPractice
In the given diagram of bacteriophage, A - D are labelled. Select the correct information?
Options
- AB - Collar, D - Tail fibres
- BC - Sheath, A - Collar.
- CA - Head, B - Tail fibres
- DA - Head, D - Sheath
Correct answer
A. B - Collar, D - Tail fibres
Step-by-step solution
Bacteriophages are obligate parasites. These remain inactive outside the host (bacteria) but when they enter the host they use the cellular machinery of the host for their own multiplication and then destroy the host.