Q.1.
Which one of these animals is not a  Homotherm
Q.2.
Aschelminthes differs from other phyla in possessing
Q.3.
Radial symmetry occurs in
Q.4.
Annelids do not have the following characters
Q.5.
Functional system for specific physiological functions are absent in
Q.6.
Segmentation is first observed in
Q.7.
Which one is not a deuterostome
Q.8.
Body cavity not lined by mesoderm which develops from archenteron is found in
Q.9.
Metameric segmentation is the characteristics of
Q.10.
Group of bilateral symmetrical, triploblastic animals is
Q.11.
Animals having single opening for mouth and anus is
Q.12.
Body cavity is the cavity present between the body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called
Q.13.
Coelomate animals in which blastopore forms anus is
Q.14.
Enterocoelous cavity occurs in
Q.15.
Animals with mesoderm occurring in scattered pouches is