Bioaccumulation is the accumulation within one organism. Biomagnification is the increase in concentration of a substance as it moves up the food chain.
Statement I : Bioaccumulation is a process of progressive accumulation of heavy metals and pesticides in an organism. Statement II : Large fishes of the pond are found to have higher concentration of pesticides than planktons of the same pond.
Asked in UPSC CDS 1 2018 · Topic: Pollution (Persistent Organic Pollutants (POPs) and Heavy Metal Pollution: Characteristics, sources, biomagnification, effects, relevant conventions.)
More Environment and Ecology questions
- Who is the author of the book "Silent Spring" ?
- Mercury is a toxic substance that severely contaminates land, water, air and the food chain. Which among the following is/are source(s) of mercury pollution? I. Pesticides II. Dental amalgam fillings III. Fluorescent lamp IV. Coal-based thermal power plants
- The term Biomagnification refers to :
- India ratified the Stockholm Convention for protecting human health and the environment from persistent organic pollutants in :
- हमेशा रहने वालिे प्रदूषिकों से मानव स्वास्थ्य और पयार्मावरण की सुरक्षा के ͧलिए भिारत ने स्टिॉकहोम सम्मेलिन में संशोधन कब ͩकया ?
- खतरनाक व्यथर्मा पदाथर्थों का सीमा पार पǐरगमन और उनके Ǔनपटिान से सम्बǔन्धत वैǔश्वक समझौते को क्या कहा जाता है ?
- In context of environment, the term "dirty dozen" refers to : 12 ozone layer depleting substances 12 persistent organic pollutants 12 most harmful greenhouse gases 12 most degraded ecosystems Select the correct answer using the codes given below :
- Which pollution is responsible for "Knock- Knee-Syndrome" ?