NEET UG Ecosystem — practice questions
18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG Ecosystem in the app →An ecosystem is visualised as a functional unit of:How many aspects make the components of an ecosystem function as a unit?The raw material for decomposition is known as:Vertical distribution of species occupying different levels is called:Gross primary productivity minus respiration losses gives which quantity?The place an organism occupies in a food chain is known as its:Which process begins the detritus food chain?In an aquatic ecosystem, which food chain is the major route for energy flow?What fraction of energy is transferred to each trophic level from the one below?Decomposition is described as a process that largely requires:The mass of living material at a trophic level at a particular time is called the:What proportion of photosynthetically active radiation do plants capture?In most ecosystems the pyramids of number, energy and biomass are:Why is the pyramid of biomass in the sea generally inverted?How many steps are named in the process of decomposition?Which decomposition step releases inorganic nutrients from the humus?The annual net primary productivity of the whole biosphere is approximately:Although oceans cover about seventy per cent of the surface, their productivity is only: