Ecosystems

Which ecosystem has the highest net primary productivity?

Which one of the following has the largest population in a food chain?

Secondary productivity is defined as:

In the phosphorus cycle, the major reservoir is:

The correct representation of the food chain in a lake is:

The 10% law of energy transfer was given by:

In an ecosystem, the weights of organisms at each successive trophic level form a pyramid known as:

Which of the following ecosystems has the highest gross primary productivity?

The process of mineralization by microorganisms helps in the release of:

Detritus food chain begins with:

Match List I with List II — A. Productivity, B. Net primary productivity, C. Gross primary productivity, D. Secondary productivity — with I. Gross primary productivity minus respiration losses, II. Rate of formation of new organic matter by consumers, III. Rate of biomass production, IV. Rate of production of organic matter during photosynthesis ( NEET 2026)

Match List I with List II — A. Decomposition, B. Detritus, C. Mineralisation, D. Humification — with I. Accumulation of dark coloured amorphous colloidal substance, II. Release of inorganic nutrients by the activity of microbes in soil, III. Breaking down of complex organic matter into inorganic substances, IV. Dead remains of plants and animals including fecal matter ( NEET 2026)

Ecological pyramids represent the relationship between the organisms at different trophic levels and they are generally inverted for: ( NEET 2026)