
Starfish possesses schizocoelom.

Important Questions on Kingdom Animalia
Match the following.
Sub Division | Character | Example | |||
Acoelomata | Coelom is formed by archenteron | Mollusca | |||
Pseudocoelomata | Without a body cavity | Hemichordata | |||
Schizocoelomata | Body cavity should not lined by mesodermal layers | Nematoda | |||
Enterocoelomate | Coelom is formed by splitting of mesoderm | Platyhelminthes |


Which of the following phyla possess body cavity as shown in the diagram below?

Column-I | Column-II | ||
P | Mollusca | i | Pseudocoelom |
Q | Annelida | ii | Radula |
R | Nematoda | iii | Radial symmetry |
S | Echinodermata | iv | Segmentation |
Choose the CORRECT combination.


Observe the shown animals (A), (B), (C) and (D). Choose the correct answer with respect to a common characteristics of two of these animals.

The evolution of an internal body cavity was an important improvement in animal body design in which area?


Which of the following animals has a body wall which can be represented as follows?

A coelom (body cavity) derived from blastocoel is known




The coelom not lined by mesoderm and directly connected to the archenteron is found in

Identify the types of coelom shown in A, B and C and select the option, that shows appropriate pairing of phylum with the type of coelom organisation.




Which of the following is not descriptive of deuterostomes?



