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.