How are viroids different from viruses?
- AViroids contain protein coat but lack $RNA$.
- BViroids are larger than viruses.
- CViroids lack a protein coat and contain free $RNA$ of low molecular weight.
- DViroids contain $DNA$ instead of $RNA$.
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Similar Questions
Read the following statements carefully and identify correct statements $w.r.t.$ Lichens:
$a.$ The association cannot tolerate air pollution,especially due to sulphur dioxide.
$b.$ Lichens are annuals and their growth is slow.
$c.$ The fungal partner mostly belongs to Ascomycetes.
$d.$ Soredia are most efficient means of asexual reproduction.
$e.$ Orchids seldom occur without this association.
$f.$ Foliose lichens are pioneers of succession in a water body.
$a.$ The association cannot tolerate air pollution,especially due to sulphur dioxide.
$b.$ Lichens are annuals and their growth is slow.
$c.$ The fungal partner mostly belongs to Ascomycetes.
$d.$ Soredia are most efficient means of asexual reproduction.
$e.$ Orchids seldom occur without this association.
$f.$ Foliose lichens are pioneers of succession in a water body.
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View SolutionWhat name did Louis Pasteur give to the causative agents of infectious diseases?
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View SolutionWhat is the cause of 'Mad Cow' disease in England?
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View SolutionLichens indicate ........ in the habitat.
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