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

Easy

The size of $TMV$ is

A
$17.5 \times 400\, \mathring A$
B
$17.5 \times 300\, \mathring A$
C
$19.5 \times 250\, \mathring A$
D
$19.5 \times 300\, \mathring A$

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Class 11 Questions

Class 11

Biology Questions

Chapter

Biological Classification

Subtopic

Viruses, Viroids, Prions and Lichens

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Give a brief account of viruses with respect to their structure and nature of genetic material. Also,name four common viral diseases.

Difficult

$A$ virus can be considered a living organism because it

Medium

In the majority of lichens,there is an association of:

Identify the given figure.

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