(C) Viruses are considered to be at the border of living and non-living organisms. They lack their own metabolic machinery,including the enzymes requi

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(C) Viruses are considered to be at the border of living and non-living organisms. They lack their own metabolic machinery,including the enzymes required for protein synthesis,energy production,or replication. They rely entirely on the host cell's machinery to perform these functions. Therefore,enzymes are not found in viruses.

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

Medium

Enzymes are $NOT$ found in ......... .

A
Fungi
B
Algae
C
Viruses
D
Cyanobacteria

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Class 11

Biology Questions

Chapter

Biological Classification

Subtopic

Viruses, Viroids, Prions and Lichens

The number of capsomeres in a $T_4$ bacteriophage is:

Easy

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Match the following columns.

Column $I$ Column $II$

$(A)$ $DJ$ Ivanowsky $(i)$ Viroids

$(B)$ $MW$ Beijerinck $(ii)$ Crystallised virus

$(C)$ $WM$ Stanley $(iii)$ Contagium vivum fluidum

$(D)$ $TO$ Diener $(iv)$ Mosaic disease of tobacco

Column $I$	Column $II$
$(A)$ $DJ$ Ivanowsky	$(i)$ Viroids
$(B)$ $MW$ Beijerinck	$(ii)$ Crystallised virus
$(C)$ $WM$ Stanley	$(iii)$ Contagium vivum fluidum
$(D)$ $TO$ Diener	$(iv)$ Mosaic disease of tobacco