Karnataka SSLC (Class 10) Our Environment — practice questions
14 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Karnataka SSLC (Class 10) Our Environment in the app →All the interacting organisms in an area together with the non-living components of the environment form a(n)In an ecosystem, green plants are classified asBacteria and fungi that break down the dead remains of organisms are calledA series of organisms feeding on one another forms aIn a food chain, the green plants (producers) occupy theOn average, the percentage of energy that is transferred from one trophic level to the next is aboutThe flow of energy in a food chain isFood chains generally have only three or four steps becauseThe progressive increase in the concentration of harmful, non-degradable chemicals at each higher trophic leveThe ozone layer in the upper atmosphere is important because itThe chemicals mainly responsible for the depletion of the ozone layer areSubstances that are broken down by biological processes are said to beWhich one of the following is a non-biodegradable waste?The maximum concentration of accumulated pesticides in a food chain is usually found in