question_answer 23)

    Viruses are non-cellular organisms, but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong to? (a)Monera                          (b) Protista                         (c) Fungi                               (d) None of these

Answer:

                  (d) In five kingdom classification of Whittaker, non-cellular organisms like viruses and viroids are not mentioned. Viruses did not find a place in classification since they are not truly 'living' and hence, they are considered as non-cellular. Monera includes all unicellular prokaryotes called bacteria in which viruses can not be included Protista includes all eukaryotic unicellular plant and animals and fungi are heterotrophic /parasitic, cellular organism devoid of chlorophyll.