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Now-a-days use of DDT as insecticide is ...

Now-a-days use of DDT as insecticide is banned because

A

bioaccumulation

B

biomagnification

C

uselessness

D

toxicity

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The correct Answer is:
B
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-MULTIPLE CHOICE QUESTIONS -Organisms and Environment - I
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  2. The major reservoir of carbon on Earth is:

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  3. Now-a-days use of DDT as insecticide is banned because

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  4. The permanent removal of forests and woodlands is called ………. .

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  5. Abundance of phosphate, causing algal overgrowth, resulting in depleti...

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  6. Guano deposits are rich in ……… .

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  7. The pattern of ecosystem in which density and distribution of species ...

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  8. The overgrowth of algae due to phosphate can take up oxygen in water a...

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  9. An international treaty known as Montreal Protocol was signed to contr...

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  10. A fine powder of recycled modified plastic is known as

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  11. Detritivores break down detritus into smaller particles. This process ...

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  12. Ozone depletion is occurring widely in the strato-sphere, it leads to ...

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  13. The partially decomposed organic matter is formed by a process called ...

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  14. World environment day is

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  15. ENERGY FLOW

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  17. In a food chain, the herbivores are represented by

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  18. The energy enters the ecosystem through

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  19. Which of the following harmful radiation is absorbed by ozone layer of...

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