You have to first go through the given paragraph and then answer the question by indicating the only one correct option from given choices.
Viruses are ultramicroscopic particles found in nature. A virus is composed of protein and nucleic acid. They cause a wide range of **** in plants and animals. Their study has become so important and detailed that it is treated as a new branch, know is Virology.
Rhinoviruses represent such group of viruses which cause on of the infectious human ailments, the common cold. They infect the nose and respiratory passages but not the lungs. The common cold is characterised by nasal congestion and discharge, sore throat, hoarseness, cough, headache, tiredness and others. Itgenerally lasts for 3 - 7 days.
Another virus is influenza virus. Its infection causes feversneezing and cough.The particles usually multiply in respiratory tract.The genetic material is RNA.
Viruses are studied in
(a) Phycology
(b) Virology
(c) Bryology
(d) Embryology
