A.Primary
B.Secondary
C.Both (a) & (b)
D.None of these
Related Mcqs:
- In case of reciprocating engine mechanism
- The organic matter produced by the photosynthetic activity of green plants is called as __________?
- The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s:
- In an ecosystem, the population of:
- Soil organic matter includes:
- The major effects of soil organic matter are:
- Vascular Cambium initially appears as actively dividing cells between_________________??
- Which of the following horizons has the maximum amount of organic matter??
- A surface horizon, which has very high organic matter, is:
- Which of the following pollutant results from decaying organic matter?