Question

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

A B
(i) Bacteria (a) Fixing nitrogen
(ii) Rhizobium (b) Setting of curd
(iii) Lactobacillus (c) Baking of bread
(iv) Yeast (d) Causing malaria
(v) A protozoan (e) Causing cholera
(vi) A virus (f) Causing AIDS
(g) Producing antibodies

NCERT Class VIII
Science - Main Course Book

Chapter 2. Microorganisms: Friend and Foe

Answer 1

1 g 2 a 3 b 4 c 5 d 6 f