Increase in concentration of the toxican...

Increase in concentration of the toxicant at successive trophic levels is known as

Biogeochemcial cycling

biomagnification

Biodeterioration

Biotrasnformation.

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Increase in concentration of the toxicent at successive trophic levels is known as

Increase in concentration of toxic substances at successive trophic levels due to their accumulations, it is called -

Assertion : Heavy metals and persistent pesticides pass into the food chain and increase in amount per unit weight of the organism at successive trophic levels. Reason : Heavy metals and persistent pesticides can be easily metabolised by the organism's body.

What are trophic levels?

Assertion : Pyramid of energy shows energy accumulation pattern at different trophic level . Reason : There is a graual increase in the energy content at successive trophic level from producer to consumer .

Second trophic level in a lake is

[A] : There is a gradual increase in the energy content at successive trophic level from producer to consumers . [R] : Pyramid of energy does not show energy accumulation pattern at different trophic levels .

[A] : There is a grudual increase in the energy content at successive trophic level from producer to consumers . [R]:When one organism benefits the other in a chain , it is called commensalism .

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ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-II

Which one of the following is an example of mutualism ?
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Which of the following is true:-
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Cryopreservation of gametes of threatened species in viable and fertil...
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High value of BOD (Biochemical Oxygen Demand) indicates that
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The UN Conference of Parties on climate change in the year 2011 was he...
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Rachel Carson's famous book "Silent Spring" is related to
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Most animals are tree dwellers in a
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In which of the following both pairs have correct combination?
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Vertical distribution of different species occupying different levels ...
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The mass of living material at a trophic level at a particular time is...
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In an ecosystem the rate of production of or- ganic matter during phot...
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Secondary Succession takes place on/ in
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The following graph depicts changes in two populations (A and B) of he...
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Most animals that live in deep oceanic wa- ters are
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An association of individuals of different species living in the same ...
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Eutrophication of water bodies leading to killing to fishes is mainly...
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Acid rain is caused by increase in the atmo- ,spheric concentration of
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Increase in concentration of the toxicant at successive trophic levels...
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Which of the following is not a cause for loss of biodiversity
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The figure is showing relative constibution of various green house gas...
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