Which of the following is a characteristic feature of viruses?

  • A
    Self-replicating and obligate parasites in living cells
  • B
    Ultramicroscopic and can be crystallized
  • C
    They are intermediate between living and non-living
  • D
    All of the above

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Match the following columns:
Column-$I$ (Virus) Column-$II$ (Type of Genetic Material)
$P$. Animal virus $I$. $ssRNA$
$Q$. Plant virus $II$. $dsRNA$ or $dsDNA$ or $ssRNA$
$R$. Bacterial virus $III$. $dsDNA$

Name the method of asexual reproduction in lichens.

The protein coat of a virus is called

The symbiotic association between algal and fungal components is known as .......

What are the fungal components in lichens called?

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