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Organisms and Populations — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations1 Mark
MCQ
Biosphere is:
  • A
    A component in the ecosystem.
  • B
    Composed of the plants present in the soil.
  • C
    Life in the outer space.
  • D
    Composed of all living organisms present on earth which interact with the physical environment.
✓

Answer

  1. Composed of all living organisms present on earth which interact with the physical environment.

The thin zone of interaction of hydrosphere, atmosphere and troposphere; where living beings are found; is called biosphere.

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