Home › UP Board Class 10 › science › c10sustainability › The concentration of pesticides like DDT INCREAS…
The concentration of pesticides like DDT INCREASES as we move up the food chain. This phenomenon is called:
ABiological magnification, with toxins concentrating in top predators
BThe 10% Law of energy transfer between trophic levels
CTrophic dilution, with toxins becoming weaker at each step
DOzone-layer depletion, with chemicals reaching the stratosphere
Answer & Solution
Correct answer: A. Biological magnification, with toxins concentrating in top predators
Biological magnification is the increasing concentration of harmful substances (DDT, mercury) as they move up the food chain. Top predators accumulate the highest concentrations.
Related questions
The principle of '3 R's' for environmental conservation refers to:Which of the following is BIODEGRADABLE waste?The international treaty that phased out CFC use to protect the ozone layer is the:The ozone layer protects life on Earth by:According to the 10% Law of energy transfer in a food chain:Which of the following is a DECOMPOSER in a typical ecosystem?Per NCERT, the IMR (Infant Mortality Rate) in INDIA in recent years is approximately what Per NCERT, why is GROWTH alone NOT sufficient for true DEVELOPMENT — per the chapter's arg