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Oceans occupy A percent of the earth sur...

Oceans occupy A percent of the earth surface and have a productivity of B percent of the productivity of the whole biosphere
Choose the option which fits best for A & B in order

A

50, 50

B

70, 10

C

70, 30

D

30, 70

Text Solution

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The correct Answer is:
C
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TRUEMAN BIOLOGY-ECOSYSTEM -MCQ
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  2. Edaphic factor refers to

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  3. Oceans occupy A percent of the earth surface and have a productivity o...

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  4. Bacterial and fungal enzymes degrade the detritus into simple inorgani...

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  5. Read the following statements about 'Humus', Choose the best option ...

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  6. All favour the process of decomposition except

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  7. Sun is the only source of energy for the given ecosystems except

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  8. In a terrestrial ecosystem the large fraction of energy flows through

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  9. Choose how many out of the given list are omnivores- Rabbit, Sparrow, ...

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  10. Choose the option which gives the correct order of the organisms in th...

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  11. Go through the following Statements (i) A trophic level represents o...

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  12. All are true for ''Climax community'' except

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  13. Choose the area which will take minimum time for succession.

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  14. Lichen is pioneer in succession of

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  15. Choose the correct combination of labelling of the zones in water in a...

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  16. Which one of the following types of organisms occupy more than one tro...

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  17. The correct sequence of plants in a hydrosere is

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  18. The term Homeostasis in an ecosystem refers to

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  19. Maximum energy amongst ecosystems is contributed by

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  20. The biomass available for consumption by the herbivores and the decomp...

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