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Biological control of agricultural pests...

Biological control of agricultural pests, unlike chemical controls is

A

very expensive

B

polluting

C

self - perpetuating

D

toxic

Text Solution

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The correct Answer is:
C
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ARIHANT NEET-MICROBES IN HUMAN WELFARE -Chapter exercises C ( Medical entrances gallery )
  1. The polluting strength sewage is usually characterized by its:

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  2. Yeast is used in the predection of

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  3. Biological control of agricultural pests, unlike chemical controls is

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  4. BOD refers to:

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  5. During sewage treatment, biogases are produced which includes :

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  6. The term anibiotic was given by

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  7. Which of the following are involved and used for cheese manufacturing

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  8. High value of BOD (Biochemical Oxygen Demand) indicates that:

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

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  10. Relationship between DO and BOD is that they:

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

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

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  13. Match the Column I with Column II

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  14. Match the Column I with Column II

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

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

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

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

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

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

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