State two economically important uses of:

(a) heterotrophic bacteria

(b) archaebacteria

Asked by Abhisek | 1 year ago |  67

1 Answer

Solution :-

(a) Heterotrophic bacteria:

(i) Saprotrophic bacteria act as natural scavengers as they decompose the dead bodies, organic wastes and release raw materials leading to reuse of organic matter. They also help in sewage disposal, manure production etc.

(ii) Symbiotic bacteria help in atmospheric nitrogen fixation.

(iii) Some bacteria are employed in the production of a number of industrial products like lactic acid, curd, cheese, butter, vinegar etc. iv. Some bacteria are used in the preparation of serum, vaccines, vitamins, enzymes, antibiotics, etc. e.g., Pseudomonas, Xanthomonas, etc.

(b) Archaebacteria:

(i) Archaebacteria are employed in the production of gobar gas from dung and sewage and in ruminants, they cause fermentation of cellulose.

(ii) Some Archaebacteria live in the guts of ruminants such as cows and buffaloes and help in their digestion.

Answered by Pragya Singh | 1 year ago

Related Questions

Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.

Class 11 Biology Biological Classification View Answer

Give a comparative account of the classes of Kingdom Fungi under the following:

(i) mode of nutrition 

(ii) mode of reproduction

Class 11 Biology Biological Classification View Answer