The figure given below shows the structure of | vedclass

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(A) The given diagram represents a bacteriophage,which is a virus that infects bacteria.It possesses a tadpole-like structure consisting of a head and

Vedclass · Accepted Answer

$A$-Head,$B$-Sheath,$C$-Collar,$D$-Tail fibres

Vedclass · Answer

(A) The given diagram represents a bacteriophage,which is a virus that infects bacteria.It possesses a tadpole-like structure consisting of a head and a tail.The head contains the genetic material,typically $DNA$.The tail consists of a hollow core surrounded by a contractile tail sheath.At the base of the tail,a base plate is present to which the tail fibres are attached.Based on the provided diagram:$A$ points to the Head.$B$ points to the Sheath.$C$ points to the Collar.$D$ points to the Tail fibres.Therefore,the correct identification is $A$-Head,$B$-Sheath,$C$-Collar,$D$-Tail fibres.

Particles/Microorganisms	Diseases
$(i)$ Viroid	$(a)$ $\text{CJD}$
$(ii)$ Virus	$(b)$ Citrus canker
$(iii)$ Bacteria	$(c)$ Potato spindle tuber disease
$(iv)$ Prion	$(d)$ Mumps

The figure given below shows the structure of a bacteriophage. Identify its parts labelled as $A, B, C$ and $D$.

Similar Questions

Assertion $(A)$: The capsid of a virus is made up of many small subunits called capsomeres.
Reason $(R)$: Viruses exhibit active and living behavior in a virus-free state.

Which of the following statements is incorrect?

Viral genome incorporated and integrated with bacterial genomes is referred to as:

Match the column $I$ with column $II$:

Particles/Microorganisms Diseases

$(i)$ Viroid $(a)$ $\text{CJD}$

$(ii)$ Virus $(b)$ Citrus canker

$(iii)$ Bacteria $(c)$ Potato spindle tuber disease

$(iv)$ Prion $(d)$ Mumps

Which of the following is a sub-viral agent smaller than a virus?

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