Question 124

Match the organisms in Column A with their action in Column B.

Column A

A. Bacteria

B. Rhizobium

C. Protozoa

D. Virus

Column B

I. Fixing Nitrogen

II. Malaria

III. AIDS

IV. Tuberculosis

Choose the correct option from the answers given below.

Tuberculosis is caused by bacteria (IV), and Rhizobium fixes nitrogen in the root nodules of legumes (I). Malaria is caused by a protozoan (II), and AIDS by a virus (III). This is option c.

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