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Which process is significant in a primar...

Which process is significant in a primary producers for to sustain an ecosystem?

A

Biological magnification

B

Photosynthesis

C

Respiration

D

Water absorption

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Photosynthesis
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KUMAR PRAKASHAN-OUR ENVIRONMENT-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option from those given below each question:)
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  2. Animals that fed on both producer as well as consumer trophic level ar...

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  3. There are more herbivores than carnivores in a food chain because......

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  4. In a food chain deer feeds on plants. Deer is eaten by a lion. Which o...

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  5. Which is possible food chain in pond?

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  6. Which of the following option is correct for decomposers feeding on de...

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  7. In an ecosystem...

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  8. A rat is in which category of consumer animals ?

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  9. Which of the following problem is a result of man-made activities?

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  10. In an ecosystem third trophic level is always occupied by which animal...

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  11. In the agricultural farm with wheat crop. snake. peacock. kite. rat. e...

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  12. Which of the following statement is wrong in case of food chain?

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  13. Which of the following is an example of biodegradable waste?

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  14. Which of the following is an example of non- biodegradable waste? a.F...

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  15. Ecosystem is an interacting system made up of... a.organisms and thei...

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  16. What is being form due to entry of harmful chemical in food chain?

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

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

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

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

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