Select the correct statement.

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(D) $1$. Viruses are obligate parasites because they require a living host cell to replicate their genetic material and produce new viral particles.$2

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All of the above.

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(D) $1$. Viruses are obligate parasites because they require a living host cell to replicate their genetic material and produce new viral particles.$2$. Lichens represent a symbiotic association between algae and fungi. The algal component is known as the phycobiont,which is autotrophic and provides food.$3$. The fungal component is known as the mycobiont,which is heterotrophic and provides protection,anchorage,and absorption of minerals for the algae.$4$. Since all three statements are scientifically accurate,the correct option is $D$.

Column-$I$	Column-$II$
$(i)$ Viroid	$(a)$ Ramachandran
$(ii)$ Cell	$(b)$ Leeuwenhoek
$(iii)$ Virus	$(c)$ $T.O. Diener$
$(iv)$ Triple helical structure of collagen	$(d)$ Ivanowsky

Similar Questions

Match the Column-$I$ and Column-$II$:

Column-$I$ Column-$II$

$(i)$ Viroid $(a)$ Ramachandran

$(ii)$ Cell $(b)$ Leeuwenhoek

$(iii)$ Virus $(c)$ $T.O. Diener$

$(iv)$ Triple helical structure of collagen $(d)$ Ivanowsky

Assertion $(S)$: Viruses are considered as a link between living and non-living organisms.
Reason $(R)$: Viruses replicate only when they are inside a host cell,whereas they behave as non-living particles in a free state.

Name the method of asexual reproduction in lichens.

Which of the following is not included in any of the five kingdoms proposed by Whittaker?

What name did Louis Pasteur give to the causative agents of infectious diseases?

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