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Read the following statements about 'Hum...

Read the following statements about 'Humus', Choose the best option
(i) Humus is colloidal in nature
(ii) Easily and Quickly decomposed by microbial action
(iii) Reservoir of nutrients
(iv) Dark coloured

A

(i) and (ii) are false

B

Only (iii) and (iv) are true

C

Only (ii) is false

D

All are true

Text Solution

Verified by Experts

The correct Answer is:
C
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TRUEMAN BIOLOGY-ECOSYSTEM -MCQ
  1. Oceans occupy A percent of the earth surface and have a productivity o...

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  2. Bacterial and fungal enzymes degrade the detrius into simple inorganic...

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

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  4. All favour the process of decomposition except

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

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

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

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

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

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

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

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  12. Lichen is pioneer in succession of

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

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  14. The correct sequence of plants in a hydrosere is

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  15. The term Homeostasis in an ecosystem refers to

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  16. Maximum energy amongst ecosystems is contributed by

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

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  18. Which one of the following is one of the characteristics of a biologic...

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  19. The plants convert light into chemical energy with a photosynthetic ef...

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  20. Primary succession is development of communities on

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