Biological Classification Question 22
22. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as:
(a) Cyanobacteria
(b) Archaebacteria
(c) Chemosynthetic autotrophs
(d) Heterotrophic bacteria
Show Answer
Answer : d
Hints & Solutions
(d) The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the heterotrophic bacteria. Lactobacillis bacteria convert milk into curd.