Question:

Which statement is wrong for viruses?

Updated On: Mar 20, 2024
  • All are parasites
  • All of them have helical symmetry
  • They have ability to synthesize nucleic acids and proteins
  • Antibiotics have no effect on them
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The Correct Option is B

Solution and Explanation

In viruses, three architectural forms are found - helical (elongated body, e.g., TMV), cuboidal (short broad body with rhombic, rounded, polyhedral shape e.g,. poliovirus) and binal (with both cuboidal and helical parts e.g., T2 phage).
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Concepts Used:

Biological Classification

The process of grouping living organisms into categories is called biological classification. The most modern 5-kingdom classification was put ahead by an eminent scientist R.H.Whittaker. The five-kingdom classification is based on the criteria like cell structure, mode of nutrition, body form, and reproduction. One of the most important characteristics of this system is that it follows the evolutionary sequence of living organisms. The organisms are classified into distinct taxa or levels like Kingdom, Phylum, Division, Class, Order, Family, Genus, and Species. The 5 kingdoms are as follows:

Biological Classification