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Piyush365
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Asked: 2026-10-15T07:02:12+00:00 In:

Choose the most appropriate option to describe the role of biogeochemical cycles in an ecosystem. (i) To provide food directly to all organisms. (ii) To recycle essential nutrients between biotic and abiotic components. (iii) To create new elements for use by living things. (iv) To remove pollutants and toxins from the organism.

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The correct option is (ii). Biogeochemical cycles continuously circulate and replenish essential elements like carbon, nitrogen and oxygen between living organisms and physical environments, maintaining ecosystem balance and life sustainability.

Class 9 Science Chapter 13 Earth as a System: Energy, Matter and Life Solutions

Chapter 13 Earth as a System: Energy, Matter and Life Question Answer

cbse class 9 science exploration chapter 13 question answerdescribe the role of biogeochemical cycles in an ecosystemearth as a system: energymatter and life solutionsprovide food directly to all organismssolutions – class 9 science exploration chapter 13
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    1. The correct option is (ii) To recycle essential nutrients between biotic and abiotic components. In any ecosystem, essential chemical nutrients are finite. Biogeochemical cycles drive the circular exchange of vital matter—such as water, carbon, nitrogen and oxygen—between living organisms (biotic) and the physical environment of air, water and soil (abiotic), ensuring these essential resources remain perpetually available for life.

       

      For more NCERT Solutions of Class 9 Science Exploration Chapter 13 Earth as a System: Energy, Matter and Life Question Answer (2026-27)

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-13/

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