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Which of the following are environment f...

Which of the following are environment friendly practices?

A

Carrying cloth-bags to purchases in while shopping.

B

Switching off unnecessary lights and fans

C

Use reusuable razors, nappies and pens.

D

All of the given

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All of the given
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KUMAR PRAKASHAN-OUR ENVIRONMENT-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option from those given below each question:)
  1. What is being form due to entry of harmful chemical in food chain?

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  2. What is formed by interdependent organisms to each other for their nut...

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  3. In food chain. organisms which synthesise carbohydrates by the convers...

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  4. In the food chain comprising of a frog. snake. grass. grasshopper. whi...

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  5. An ecosystem has producers. herbivores and carnivores but without whic...

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  6. Which trophic level has highest energy in an ecosystem? a.Producers ...

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  7. Which trophic level, lowest energy available in an ecosystem? a.Produ...

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  8. Which of the following is wrong statement ? a. All green plants and b...

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  9. What is the role of decomposers in an ecosystem?

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  10. Which of the following constitute a food chain ?

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  11. Which of the following are environment friendly practices?

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  12. When frog uses grasshopper as food, then energy flow occurs from ... ...

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  13. Statement X:Decomposers satisfy their energy requirement directly from...

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  14. Statement X: Reduction in number of prey altimately results in reducti...

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  15. Usually green plants are at first level in an ecosystem because... a....

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  16. Which is the correct statement regarding food chain ? a.All consumers...

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  17. Which organism is more affected by biological magnification problem ar...

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  18. Which of the following groups have only non- biodegradable components?...

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  19. By whom the number of organisms are limited at trophic level of food c...

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  20. In which category does the human beings fall in an ecosystem?

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