Question

Write 10 lines on the usefulness of microorganisms in our lives in short

Answer 1

Microorganisms are useful in our lives in the following ways :

(i) Bacteria cause the decay of dead plants and animals.

(ii) Nitrogen fixing bacteria convert the atmospheric nitrogen into nitrates.

(iii) Bacteria are used in the production of vinegar, curd, cheese, etc.

(iv) Bacteria are used in sewage disposal plants.

(v) Scientists have discovered ways to change bacteria so that they produce valuable medical.

(vi)A species of Streptococcus is added to the dough before making bread to bring about the required fermentation.

(vii) Many microbes are used in the derivation of enzymes such as lipase, lactase, protease, peptidase to name a few.

(viii) Some bacterial and fungal species are used in the preparation of steroids that are then injected into the human body for different purposes.

(ix) Not only are microorganisms helpful to our body, they are also helpful to the environment. They help in the secondary treatment stage of sewage treatment.

(x) Certain bacterial and fungal species are used to keep certain insects and pests away from crops.

Answer 2

☆$\red {HELLO\:DEAR}$☆

Uses of microorganisms:

(i) Microorganisms help in the preparation of curd, bread, cake etc.

(ii) They are used to produce alcohol at large scale.

(iii) Yeast is used to prepare vinegar.

(iv) Microorganisms are used to make wines.

(v) They act as cleaning agent and decompose the waste products into manure.

(vi) They destroy the plant and animal dead bodies by decomposing them.

(vii) They increase soil fertility by fixing nitrogen of atmosphere.

(viii) They are used in making medicines like antibiotics and vaccines.

(ix) They are used as preservatives for food items.

(x) They help in various metabolic activities in our body.

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