The progressive increase in the concentration of harmful, non-degradable chemicals at each higher trophic level is called
Abiological magnification
Beutrophication
Cbiodegradation
Dcalcination
Answer & Solution
Correct answer: A. biological magnification
1. Pesticides and other non-degradable chemicals enter food chains.
2. They accumulate more and more at each higher level — **biological magnification**.
3. As humans are usually at the top, the maximum concentration ends up in us.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch15 'Our Environment', §15.1.1_
Keep practising Our Environment
Browse all Our Environment questions for Karnataka SSLC (Class 10), or explore more Science topics.
Related questions
Rule on these claims about a food chainThe maximum concentration of accumulated pesticides in a food chain is usually found inWhich one of the following is a non-biodegradable waste?Substances that are broken down by biological processes are said to beThe chemicals mainly responsible for the depletion of the ozone layer areThe ozone layer in the upper atmosphere is important because itFood chains generally have only three or four steps becauseThe flow of energy in a food chain is