1) Which of the following reproduces only inside a host cell? a) Bacteria b) Amoeba c) Virus d) Fungus 2) A disease in human beings caused by virus is _______. a) (a) typhoid b) dysentry c) (b) influenza d) cholera 3) Pathogenic micro-organisms present in host cells are killed by medicines called a) pain killer b) antibiotics c) antibodies d) vaccines 4) The two micro-organisms which live in symbiotic association in lichens are a) fungus and protozoa b) bacteria and protozoa c) alga and bacteria d) alga and fungus 5) The gas released during the preparation of bread is a) oxygen b) nitrogen c) carbon dioxide d) hydrogen 6) The disease caused by a protozoan and spread by an insect is_________. a) dengue b) polio c) malaria d) measles

Microorganisms

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