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What are pesticides?...

What are pesticides?

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What is a perfect pesticide?

What are the applicance used to spray pesticides?

Name some garden pesticides.

How are the pesticides causing destruction to our beautiful nature ?

Do all farmers use the same pesticides for the same crop.

Which living organisms beneficial to crops die along with pests and pesticides?

Did you find any other living organisms dying along with pests due to pesticides? What are they?

Ban al pesticides, this means that

Ban all pesticides, this means that

What steps do you suggets towards prevention from harmful effects of pesticides?

VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
  1. What is bioaccumulation?

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  2. What is Biomagnification?

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  3. What are pesticides?

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  4. What is a perfect pesticide?

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  5. Who introduced 'Ecological pyramids'?

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  6. How can we draw a food chain?

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  7. How many types of ecological pyramids are there in practice? Name them...

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  8. Which process helps to convert the solar energy into suitable form of ...

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  9. What limits the number of trophic levels in a fooc chiain?

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  10. State one reason to justify the position of man at the apex of most fo...

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  11. Which food chains are advantageous in terms of energy?

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  12. Construct a food chain composing the following : Snake, Hawk, Rats, Pl...

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  13. Which of the following will have the maximum concentration of harmful ...

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  14. Prepare two slogans to consere water.

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  15. By taking two plants of your surroundings as examples, explain how the...

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  16. Write any 4 slogans on the necessity of forests and on their conservat...

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  17. How does the given below concepts differs? (a) Bioaccumulation (b)...

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  18. How does the given below concepts differs? (a) Bioaccumulation (b)...

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  19. The biomass of a producers in an ecosystem is calculated as 3500 kgs. ...

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  20. The organisms which are not represented in ecological pyramids are

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