Question

state two important uses of archaebacteria and heterotrophic bacteria​

Answer 1

Explanation:

Heterotrophic bacteria (b) Archaebacteria. (1) Many bacteria like Lactobacillus helps in the production of curd from milk. (2) They act as decomposers and help in the formation of humus e.g. Pseudomonas.

Answer 2

Two economically important uses are :-

(a)Heterobacteria :

=>These include lactobacilus that converts milk into curd.

=>Many antibiotics are produced from these species of bacteria.

(b) Archaebacteria :

=>It includes Methanogens that helps in the production of Methane gas from the dung of ruminants.

=>Methanogens also helps in formation of biogas and sewage treatments plants.