Question

State two economically important uses of:
a, heterotrophic bacteria
(b) archaebacteria
3. What is the nature of cell-walls in diatoms?​

Answer 1

Heterotrophic bacteria

1.many bacteria like lactobacillus helps in the production of curd from milk.

2.they act as decomposers and help in the formation of humans for e.g pseudomonas

Archaebacteria

1.methane gas is produced from the dung of ruminants by the methanogens.

2.methanogens are also involved in the formation of biogas and sewage treatment.