Question

3.
Match the organisms in Column A with their action in
Column B.
А

(i) Bacteria
(ii) Rhizobium
(iii) Lactobacillus
(iv) Yeast
(v) A protozoan
(vi) A virus

B

(a) Fixing nitrogen
(b) Setting of curd
(c) Baking of bread
(d) Causing malaria
(e) Causing cholera
(f) Causing AIDS
(g) Producing antibodies
​

Answer 1

Answer:

i) Bacteria- causing cholera.

ii) Rhizobium- fixing nitrogen.

iii) Lactobacillus- setting curd.

iv) Yeast- baking of bread.

v) A protozoan- causing malaria.

vi) Virus- causing AIDS.

Answer 2

Explanation:

(i) Bacteria. -Causing cholera

i) Bacteria. -Causing cholera(ii) Rhizobium. - Fixing nitrogen

i) Bacteria. -Causing cholera(ii) Rhizobium. - Fixing nitrogen (iii) Lactobacillus-setting of curd

i) Bacteria. -Causing cholera(ii) Rhizobium. - Fixing nitrogen (iii) Lactobacillus-setting of curd(iv) Yeast. - baking of bread

i) Bacteria. -Causing cholera(ii) Rhizobium. - Fixing nitrogen (iii) Lactobacillus-setting of curd(iv) Yeast. - baking of bread(v) A protozoan-Causing malaria

i) Bacteria. -Causing cholera(ii) Rhizobium. - Fixing nitrogen (iii) Lactobacillus-setting of curd(iv) Yeast. - baking of bread(v) A protozoan-Causing malaria(vi) A virus. - causing AIDS

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