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In Nereis , swarming occurs at night for...

In Nereis , swarming occurs at night for

A

copulation

B

shedding of sperms and ova

C

attaining sexual maturity

D

None of the above

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The correct Answer is:
B
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ARIHANT NEET-ANIMALIA-II (HIGHER INVERTEBRATES) -Chapter Exercises A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. Animals having multiple or numerous setae are included under

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  2. Nereis is differentiated from earthworm on the basis of

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  3. In Nereis , swarming occurs at night for

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  4. Puncturing elements in mouthparts of female Anopheles are

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  5. Which mouthparts occur in female Anopheles , but not in male ?

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  6. Which one of the following genus of insects prefers to breed in clean ...

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  7. Which type of mouthparts , mosquito larva possesses ?

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  8. Which of the following is the respiratory organ in wriggler ?

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  9. What is common between mosquito and cockroach ?

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  10. Male and female adult Culex can be indentified by their

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  11. In Hirudinaria , there are no special organs for

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  12. Which one of the following are not hermaphrodite animals

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  13. Chitinous plates making the exoskeleton in arthropods are called

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  14. The balancing organ equal to our ear in aquatic arthopods as in prawn ...

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  15. The characters like hard exoskeleton , cephalothorax , gills for respi...

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  16. Shrimps , crayfish and lobsters belong to the class

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  17. The common house-cricket , which produces the familiar sound with its ...

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  18. What is the origin of the coelom duct in Nereis ?

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  19. Among annelids , great power of regeneration is observed in

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  20. The animal which does not show any metamorphosis of larval stage is

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