NTA Abhyas NEET2020BotanyBiological ClassificationPractice
Identify A, B, C and D parts in this diagram of bacteriophage.
Options
- AA - Head, B - Sheath, C - Collar, D - Tail fibres
- BA - Head, B - Collar, C - Sheath, D - Tail fibres
- CA - Head, B - Collar, C - Tail fibres, D - Sheath
- DA - Head, B - Sheath, C - Tail fibres, D - Collar
Correct answer
B. A - Head, B - Collar, C - Sheath, D - Tail fibres
Step-by-step solution
Head is the capsular region init the genetic material is present, Tail fibre is 6 in number, it is a part of the tail. Collar represents the junction of head and tail. This T2 bacteriophage has 2 different structures due to which it can be called a binal virus.