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 8th Science Chapter 2 Microorganisms: Friend and Foe

Answer 1

Bacteria - Causing Cholera
Rhizobium - Fixing Nitrogen
Lactobacillus - Setting of Curd
Yeast - Baking of bread
A protozoan - Causing Maleria
A Virus - Causing AIDS
Vaccine - Producing Antibodies

Answer 2

Dear Student,

◆ Answer -

Organisms in Column A are matched with their action in Column B as follows -

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

Thanks dear. Hope this is useful for you...