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Sun is the only source of energy for all...

Sun is the only source of energy for all the ecosystems on Earth , except

A

Some shallow South American lakes

B

Rocky sea coast of Scotland

C

Deep sea hydro-thermal ecosystems

D

All of the above

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The correct Answer is:
C
Sun is the only source of energy for all the ecosystems on Earth, except deep sea hydro-thermal ecosystem.
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A2Z-ECOSYSTEM-Section A: Topicwise Questions (topic 4:energy Flow)
  1. Sun is the only source of energy for all the ecosystems on Earth , exc...

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  2. Of the incident solar radiation PAR is

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  3. Which of the following organisms fix sun's radiant energy to make food...

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  4. Ecosystems follows

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  5. The unidirectional flow of energy from sun to producers and then to co...

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  6. In a terrestial ecosystem , major producers are

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  7. Primary producers in an aquatic ecosystem are

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  8. Detritus food chain begins with the

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  9. Primary producers or herbivores in aquatic ecosystem are

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  10. Some common herbivore in terrestrial ecosystem are

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  11. Based on the source of their nutrition or food, organism occupy a spec...

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  12. Match the columns I and II and choose the correct combination from the...

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  13. Birds and fishes belong to tropic level

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  14. Cow and zooplanktons lies at tropic level

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  15. For their energy demnds, organisms at each tropic level depend on thos...

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  16. The standing crop of any tropic level is measured as the

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  17. The biomass of a species is expressed in terms of

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  18. Measurement of biomass is more accurate in terms of

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  19. Which one of the following has the largest population in a food chain ...

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  20. The second tropic level in the lake is

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