Full 2L QBank
General Medicine General d2f1b086

Biological oxygen demand is calculated to know wastes -

A
Organic
B
Inorganic
C
Total solid
D
None
← Previous Question Next Question →

Practice 2,00,000+ NEET PG Questions Free

Timed mock tests, mistake queue analytics, audio lectures & zero attempt limits on i❤️Exams.

Start Free Mock Test Now