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One of the major difficulties in the bio...

One of the major difficulties in the biological control of insect pests is the

A

The method is less effective as compared with the use of insecticides

B

The predator difficulty of introducing the predator to specific areas

C

The predator develops a preference to other diets and may itself become a pest

D

The predator does not always survive when tranferred to a new environment

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AAKASH INSTITUTE ENGLISH-MICROBES IN HUMAN WELFARE-Assignment (SECTION - C)
  1. Bacillus thuringiensis (Bt) strains have been used for designing novel

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  2. A good producer of citric acid is

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  3. Which one of the following pairs is wrongly matched?

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  4. Gober gas contains mainly

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  5. Which bacteria are utilised in gobar gas plant?

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  6. During anaerobic digestion of organic waste, such as in the producing ...

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  7. A major component of gobar gas is

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  8. Microbe used for biocontrol of pest bufferfly caterpillars is

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  9. Which one of the following is an example .o f carrying out biological ...

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  10. One of the major difficulties in the biological control of insect pes...

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  11. Cochineal insects have proved very useful for the control of

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  12. When a natural predator (living organism) is applied on the other path...

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  13. Farmers have reported 50% higher yields of Rice by using biofertilizer

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  14. Which one of the following microbes forms symbiotic association with p...

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  15. Aquatic fern which is an excellent biofertilizer is

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  16. Yield of Rice is enhanced by

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  17. Which of the following species does not have the ability to fix atmosp...

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  18. The biofertilizers are

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  19. Which of the following is a symbiotic nitrogen fixer

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  20. An alga which can be employed as food for human being is

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