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Q.

Select the correct combination of an animal, the type of its circulatory system and its excretory organs.

 AnimalCirculatory SystemExcretory Organs
1.WuchereriaAbsentFlame cells
2.AsteriasOpen typeProboscis gland
3.NereisClosed typeNephridia
4.SalamandraOpen typeKidneys

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a

1

b

2

c

3

d

4

answer is C.

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Detailed Solution

Nereis is an annelid. Annelids have closed circulatory system; nephridia are the excretory organs. 

Flame cells are absent in Wuchereria (Aschelminthes).

Excretory organs are absent in Asterias (Echinodermata). Proboscis gland occurs in hemichordates.

The circulatory system of vertebrates (e.g., Salamandra) is of closed type.

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Select the correct combination of an animal, the type of its circulatory system and its excretory organs. AnimalCirculatory SystemExcretory Organs1.WuchereriaAbsentFlame cells2.AsteriasOpen typeProboscis gland3.NereisClosed typeNephridia4.SalamandraOpen typeKidneys