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Water-soluble inorganic nutrients go dow...

Water-soluble inorganic nutrients go down into soil horizon and get precipitated an unavailable salts by the process of

A

Fragmentation

B

Leaching

C

Catabolism

D

Humification

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Fragmentation, leaching and catabolism are some of the important steps of decomposition. Study the following statements I , ii and iii regarding these and select the correct option. (i) Detritivores (e.g., earthworm) breakdown detritus into smaller particles. (ii) Water soluble inorganic nutrients go down into soil horizon and get precipitated as unavailable salts. (iii) Decomposers (e.g., bacteria and fungi) secrete digestive enzymes and degrade detritus into simpler inorganic substances.

Select the incorrect statement w.r.t decomposition. (a) Bacterial and fungal enzyme degrade detritus into simpler inorganic substances in a process is called catabolism. (b) Humans is less resistant to microbial action and undergones decomposition at an extremely slow rate. (c) By the process of leaching , watersoluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts. (d) Decomposition is largely an oxygen requiring process.

By the process of leaching ,……..... nutrients go down into the soil horizon and get precipitated .

Inorganic nutrients are present in the soil in the form of

Inorganic nutrients are presents in the soil in the form of

What is the condition for a salt to get precipitated from its saturated solutions?

Soluble inorganic and organic nutrient material, hormones, antibodies, against diptheria, smallpox, scarlet fever, measles etc. can pass from the mother to the foetus, so we can say that placenta act as a –

An aqueous solution of a mixture of two inorganic salts when treated with dilute HCl, gave a precipitate (P) and a filtrate (Q). The precipitate (P) was found to dissolve in hot water. The filtrate (Q) remained unchanged, when treated with H_(2)S in a dilute mineral acid medium. However, it gave a green precipitate (R) H_(2)S in an ammoniacal medium. The precipitate (R) gave a coloured solution (S), when treated with H_(2)O_(2) in an aqueous NaOH medium. The precipitate P contains

An aqueous solution of a mixture of two inorganic salts when treated with dilute HCl, gave a precipitate (P) and a filtrate (Q). The precipitate (P) was found to dissolve in hot water. The filtrate (Q) remained unchanged, when treated with H_(2)S in a dilute mineral acid medium. However, it gave a green precipitate (R) in with H_(2)S in ammoniacal medium. The precipitate (R) gave a coloured solution (S), when treated with H_(2)O_(2) in an aqueous NaOH medium. The coloured solution (S) contains

Under certain conditions soil nutrients get tied up with the biomass of microbes and becomes temporarily unavailable to other organism such incorporation of nutrients is called –

VMC MODULES ENGLISH-ECOSYSTEM-ENABLE
  1. Which of the following is common feature of DFC and GFC?

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  2. Vertical distribution of different species occupying different levels ...

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  3. Water-soluble inorganic nutrients go down into soil horizon and get pr...

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  4. Given imaginary pyramid could be with more than one possibilties are a...

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  5. Which one of the following belongs to more than one trophic levels ?

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  6. Find incorrect statement w.r.t. primary succession :

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  7. Base of the ecological pyramid is occupied by :

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  8. Annual fixation of carbon through photosynthesis in biosphere is :

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  9. Mark the odd one w.r.t. characteristics which determine the percolatio...

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  10. In a forest ecosystem, a much larger fraction of energy flows through ...

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  11. Which of the following is correct statement w.r.t. secondary successi...

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  12. All succession whether taking place in water or on land, proceeds to a...

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  13. Both hydrarch and xerarch successions leads to

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  14. Select an incorrect statement for soil and its formation :

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  15. The proportion of mineral particles of different sizes in soil represe...

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  16. Decomposed organic matter in soil is called :

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  17. Decomposed organic matter in soil is called :

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  18. Select an correct statement for ecological succession :

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  19. Always upright shape of pyramid is in :

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  20. Select an incorrect statement for ecological succession :

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