UPPCS 2020 Pre

एक पारिस्थितिकी तंत्र के विभिन्न घटकों से होकर पोषक तत्वों का गुजरना कहलाता है? The movement of nutrient elements through the various components of an ecosystem is called

Verified Answer
A. जैव-भू-रसायन चक्र / Bio-geo-chemical cycle
B. जैव-भूगर्भिक चक्र / Bio-geological cycle
C. पारिस्थितिक अनुक्रम / Ecological succession
D. जैवीय चक्र / Biological cycle

Explanation:

A biogeochemical cycle is a pathway by which a chemical substance moves through both biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth. It involves the cycling of nutrients like carbon, nitrogen, phosphorus, and water.