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Which one of the following is used as bi...

Which one of the following is used as biological insecticide?

A

Tiger beetle

B

Caterpillar

C

Silk moth

D

Majra poka

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The correct Answer is:
A
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CENGAGE BIOLOGY ENGLISH-MICROBES IN HUMAN WELFARE-ARCHIVES
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  6. Which one of the following is not used in or- ganic farming?

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  7. The common nitrogen-fixer in paddy fields is

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  8. A common biocontrol agent for the control of plant diseases is

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  9. When domestic sewage mixes with river water

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  10. Which one of the following helps in absorp- tion of phosphorus from so...

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  11. Which one of the following is not a biofertlizer

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

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  13. maximum nutritional diversity is found in the rice fields is

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  14. A nitrogen fixing microbe associated with Azolla in rice fields is

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

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  18. monascus purpureus is a yeast used commercially in the production of

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  19. Green revolution in India occurred during

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  21. The domestic sewage in large cities

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