Class 11 Biology Biological Classification Viruses, Viroids, Prions and Lichens

Medium

In the given figure,what do $X$ and $Y$ represent respectively?

A
Collar and Tail
B
Head and Tail
C
Head and Collar
D
Collar and Tail fiber

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Class 11 Questions

Class 11

Biology Questions

Chapter

Biological Classification

Subtopic

Viruses, Viroids, Prions and Lichens

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