A) cyanobacteria
B) archaebacteria
C) chemosynthetic autotrophs
D) heterotrophic bacteria
Correct Answer: D
Solution :
Heterotrophic bacteria are most abundant in nature. Many of them have a significant impact on human affairs. These are helpful in making curd from milk (e.g., Lactobacillus sp.), production of antibiotics (e.g., Streptomyces sp.) and fixing nitrogen in legume roots (e.g., Rhizobium spe).You need to login to perform this action.
You will be redirected in
3 sec