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[A] : Biomonitoring is reliable for det...

[A] : Biomonitoring is reliable for determing the pollutants in air , water and soil .
[R] : The living organism reacts to minute changes in the environment .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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[A] : Biomonitoring is reliable for determining the pollutants in air , water and soil . [R] : The living organism reacts to minute changes in the environment .

Assertion:Biomonitoring is reliable for determining the pollutants in air, water and soil Reason:The living organism reacts to minute changes in the environment

Name three pollutants each of air, water and soil.

The act passed for air, water and soil pollution was

Living organisms and water, air and earth collectively form

[A] : Living organisms are like a close system . [R] : Energy in the organisms neither can be lost nor gained from the another environment .

[A] : The importance of ecosystem lies in flow of energy and cycling of materials . [R] : Pollutants do not change the equilibrium of environment .

[A] : Ecology is the study of interrelationship between living organisms and their non-living environment . [R] : The biotic community and non-living environment of an area function together to form an ecosystem .

Fill the table given below with information about how the given air pollutants affect living organisms.

We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?

TRUEMAN BIOLOGY-Ecology -ASSERTION AND REASON
  1. [A] : Plants having capacity to withstand wide range of temperature t...

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  2. [A] : Each food-level in an ecosystem is called trophic level . [R]...

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  3. [A] : Biomonitoring is reliable for determing the pollutants in air ,...

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  4. Assertion (A) : Tropical rain forests are disappearing fast from devel...

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  5. [A] : Leaf butterfly & stick insect show mimicry to dodge their enemi...

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  6. [A] : In a food chain , membrane of successive higher levels are fewer...

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  7. Assertion (A) : Methane component of greenhouse gases contributing to ...

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  8. Assertion: Suspended particulate matter(SPM) is an important pollutant...

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  9. Assertion : Age sex structure of human population in countries like Fr...

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  10. Assertion (A) : Presently, the global atmosphere is warming up. Reas...

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  11. [A] : Ozone depletion at the south pole will threats world's fisheries...

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  12. [A] : Inquilines can not survive without human care . [R] : Cultige...

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  13. [A] : Problems of ecological environment arise from over population....

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  14. [A] : Social forestry programme is grows trees for fuel , fodder & fru...

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  15. [A] : Cultigens (domesticated animals & cultivated plants ) are not in...

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  16. [A] : Population density of indicator organisms show degree of water p...

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  17. [A] : Traffic Jams cause giddiness , reduced vision , exhaustion etc ....

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  18. [A] : Thermal pollution is harmful to fishes . [R] : Heating cause...

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  19. [A] : Stratosphere is an excellent region for air travel . [R] : Be...

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  20. [A] : Using dung as fuel greatly reduces grain production . [R] : Du...

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