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Ecosystems — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems1 Mark
MCQ
The utilization of elements and compounds in nature and their subsequent return to the environment is called:
  • A
    Life cycles
  • B
    Cyclic pathway
  • ✓
    Material cycles
  • D
    Recycling
✓

Answer

Correct option: C.
Material cycles
The utilisation of elements and compounds in nature and their subsequent return to the environment is called material cycles. It is also called as a biogeochemical cycle.
In biology, a life cycle is a series of changes in form that an organism undergoes, returning to the starting state.
Recycle is the conversion of waste into useful forms.
Cyclic pathways tend to use the last product they create to re$-$begin the cycle.

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