Question

Write ten lines on the usefulness of microorganism in our lives

Answer 1

Answer:

1. They are used in cleaning up of environment.

2. They are used for the preservation of pickels and other food items.

3. They help in the decomposition of plants and animals.

4. They are used in biological treatment of sewage.

5. They are used for the large scale production of alcohol, wine and acetic acid.

I know 5 only....

Answer 2

Answer:

a) Lactobacillus causes setting of curd.

(b) Rhizobium helps in nitrogen fixation in soil.

(c) Yeast helps in making fluffy bread and cake.

(d) Some bacteria facilitate retting of jute.

(e) Some bacteria facilitate tanning of leather.

(f) Blue green algae carry out nitrogen fixation.

(g) Penicillium; a fungi; is used to produce antibiotics.

(h) Many microbes carry out decomposition of dead remains of plants and animals.

(i) Yeast causes fermentation which is utilised to produce alcohol.

(j) Processing and ageing of cheese is carried out by microorganisms