The term biomagnification refers to theThe term biomagnification refers to the

Increase in the concentration of non-degradable pollutants as they pass through the food chain

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Blowing up of environmental issues by man

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Increase in population sizeGrowth of organisms due to food consumption

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Growth of organisms due to food consumption

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Solution

The correct option is A
Increase in the concentration of non-degradable pollutants as they pass through the food chain

An increase in the concentration of toxic materials at each trophic level of a food chain is called biomagnification or biological magnification.

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Q. Biomagnification is the process of chemicals becoming increasingly concentrated in animal tissues as they move up the food chain.

Question 5
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as

(a) eutrophication
(b) pollution
(c) biomagnification
(d) accumulation

Q. Which of the following statements is not correct regarding biomagnification?

(i) Mercury accumulated by an organism cannot be metabolised.
(ii) In the process of biomagnification, concentration of DDT is increased at successive trophic levels.
(iii) Accumulation of cadmium can cause thinning of eggshells in birds.
(iv) DDT accumulation is a major cause of a reduced population of fish-eating birds.
(v) Biomagnification occurs only in the aquatic food chain

Q. Biomagnification refers to an increase in the concentration of the toxicant at successive trophic levels. This happens because

Q. Select the mismatched pair in the following.
(a) Biomagnification- Accumulation of chemicals at the successive trophic levels of a food chain.
(b) Ecosystem- Biotic components of the environment.
(c) Aquarium- A man-made ecosystem.
(d) Parasites- Organisms which obtain food from other living organisms.

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The term biomagnification refers to theThe term biomagnification refers to the

The correct option is A Increase in the concentration of non-degradable pollutants as they pass through the food chain An increase in the concentration of toxic materials at each trophic level of a food chain is called biomagnification or biological magnification.

The correct option is A
Increase in the concentration of non-degradable pollutants as they pass through the food chain

An increase in the concentration of toxic materials at each trophic level of a food chain is called biomagnification or biological magnification.