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is called as farmer's best friend....

___is called as farmer's best friend.

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Earthworms
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Why earthworm is called as farmer's friend?

What is called as farmers friend?

Identify the correct statements from the below. (I) Vermicompost is the primary goal of vermiculture. (II) Earthworms play a vital role in maintaining soil fertility. (III) Earth worms are called as "farmer's friends". (IV) Frogs are called as "biological indicators of soil fertility".

Why earthworms has got the names of ''farmer's friends' and bioglogical indicators of soil fertility ?

Assertion (A) : Earthworms are divided into several groups. Reason (R) : They are also known as farmer’s friend

Why plant Breeding is carried out by farmers and scientists?

How can you prevent your best friend from becoming a drug addict who has started taking drug?

FULL MARKS-TRENDS IN ECONOMIC ZOOLOGY-Additional Questions Solved ( Fill in the Blanks.)
  1. is called as farmer's best friend.

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  2. The breakdown of organic matter by the activity of the earthworms and ...

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  3. Humus feeders are ............. worms.

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  4. ......... are the earthworms used for vermicomposting.

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  5. The exotic species of earthworms are...........

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  6. .......... is a liquid collected after the passage of water through a ...

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  7. Vermiwash is obtained from .......... formed by earthworms.

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  8. Production of silk from the silkworm by rearing practices on a commerc...

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  9. The eggs of silkworms after ten days of incubation hatch into larva ca...

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  10. The cultivation of mulberry is called as .......

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  11. The process of killing the cocoons is called .............

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  12. The process of removing the threads from the killed cocoon is called.

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  13. Nosema bombycis causes .......... to silkworms.

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  14. .......... is the viral disease of Bombyx mori caused by BmNPV.

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  15. White muscardine is caused by a fungus............

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  16. Apiculture is the care and management of ............ on a commercial ...

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  17. .......... is the Indian honey bee.

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  18. Apis floera is a rock bee

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  19. ........... is the little bee.

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  20. Apis mellifera is the ........... bee.

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