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Question

The biosphere is made of:


A

Living beings and their remains

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B

Living beings, lithosphere, hydrosphere, and atmosphere

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C

Living beings and lithosphere

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D

Living beings, lithosphere, and hydrosphere.

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Solution

The correct option is B

Living beings, lithosphere, hydrosphere, and atmosphere


The correct option is - Option B: Living beings, lithosphere, hydrosphere, and atmosphere

Explanation of the correct option

  1. The biosphere is the portion that has the capability of supporting living organisms.
  2. It consists of four components:
    • Land(Lithosphere),
    • Water(Hydrspere),
    • Air(Atmosphere), and
    • Living organisms.

Explanation of the wrong options

Option A) Living being and their remains constitute the Lithosphere and Lithosphere is only a constituent of the Biosphere

Option C) For the successful sustaining of living organisms, the other two(Atmosphere and Hydrosphere) constituents of the biosphere are required along with the lithosphere

Option D) Atmosphere (Air) is also required for sustaining life in a Biosphere

Therefore, the correct option is - Option B: Living beings, lithosphere, hydrosphere, and atmosphere


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