State PCS PYQPrelims 2020

UPPCS · প্রশ্ন 79

The movement of nutrient elements through the various components of an ecosystem is called

  1. Bio-geo-chemical cycle
  2. Bio-geological cycle
  3. Ecological succession
  4. Biological cycle
উত্তর দেখান ও ব্যাখ্যা

উত্তর: (A) Bio-geo-chemical cycle

ব্যাখ্যা

The cycling of nutrients (C, N, P, S) between living organisms and the physical environment is called the biogeochemical cycle.