1. Tardigrade
  2. Question
  3. Biology
  4. Read the following statements and select the incorrect ones. (i) Circulatory system in arthropods is of closed type. (ii) Parapodia in annelids help in swimming. (iii) Phylum Mollusca is the second largest animal phylum. (iv) Aschelminthes are dioecious.

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Q. Read the following statements and select the incorrect ones.
(i) Circulatory system in arthropods is of closed type.
(ii) Parapodia in annelids help in swimming.
(iii) Phylum Mollusca is the second largest animal phylum.
(iv) Aschelminthes are dioecious.

KEAMKEAM 2012Animal Kingdom

Solution:

Circulatory system in arthropods is of open type, i.e., blood flows in irregular spaces called lacunae. It does not flow in definite blood vessels.