A.Organic matter
B.Microbes
C.Both (a)
B.Microbes
C.Both (a)
Related Mcqs:
- Humus is:?
- Turbidity in water is due to
- High biological oxygen demand indicates __________.
- Fine organic or inorganic particles suspended in air is called __________?
- Chaplets are made of
- Which of the following is the major source of pollutant hydrogen sulphide?
- Sensory ganslion connected with reflex action is located in:
- Stratum corneum has dead, cornified cells but had these cells been living, the possible disadvantage would be that:
- The biotic factor not involved in the succession:
- It can be concluded on the basis of Miller’s experiment that: