CBSE Class 9 Biology Nonchordates Coelomates

Q.

The exoskeleton of arthropods is made of



Q.

In which of the following parts the internal organs are present in molluscs?



Q.

Spiny skinned organisms include 



Q.

The locomotory organs of Echinoderms are called



Mollusca and Echinodermata

Explain the characteristics of Coelomate organisms i.e. Arthropods, Molluscs and Echinoderms.