NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

VIRUSES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
SELECT ALL THAT APPLY.Which of the following are reasons for why viruses are considered to be non-living?
A
They are not cellular.
B
They cannot reproduce on their own.
C
They cannot make proteins.
D
They have multiple cells.
Explanation: 

Detailed explanation-1: -Viruses are not made out of cells, they can’t keep themselves in a stable state, they don’t grow, and they can’t make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

Detailed explanation-2: -The ability to reproduce is a living characteristic that is observed in viruses. Viruses use the cellular components of the host cell which it infects to reproduce. A genetic material is present inside the viruses like other living organisms.

Detailed explanation-3: -All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms. (This requirement is why viruses are not considered living: they are not made of cells.

Detailed explanation-4: -Solution: ∙ Viruses are classified as both living and non-living organisms because they exhibit both living and non-living features. ∙ They behave like non-living organisms in the open air, but when they enter the body of a living organism, they take on the characteristics of a living organism and begin reproducing.

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