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During waste water treatment, trickling ...

During waste water treatment, trickling filter is used for :

A

primary treatment

B

secondary aerobic tretment

C

secondary anacrobic treatment

D

tertiary treatment

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The correct Answer is:
B
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ARIHANT NEET-MICROBES IN HUMAN WELFARE -Chapter exercises C ( Medical entrances gallery )
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  2. High value of BOD (Biochemical Oxygen Demand) indicates that:

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  3. Which one of the following insecticides is of plant origin

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  4. Relationship between DO and BOD is that they:

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  5. During waste water treatment, trickling filter is used for :

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  6. Which one of the following organsims is not used as biocontrol agent ?

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  7. Match the Column I with Column II

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  8. Match the Column I with Column II

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  9. Which one of the following plant functions as symbiotic nitrogen-fixin...

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  10. Which of the following can be controlled by using biopesticides ?

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  11. An organisam used as a biofertiliser for raising solybean crop product...

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  12. Which one of the following is not a bioferiliser ?

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  13. Ethanol is commercially produced through a particular species of:-

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  14. Some blue green algae are used as biofertilizers because they

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  15. Milk is converted into curd by :

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  16. Probiotics are

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  17. Vnegar ir produced by acetic acid bacteria through

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  18. A compound which is produced by an organism and inhibits the growth of...

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  19. Brandy is generally a product of

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  20. Rhizohium Clostridium and Azotobacter are

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