Ascaris is characterized by |
|
a) |
Absence of true coelom but presence of metamerism |
b) |
Presence of neither true coelom nor metamerism |
c) |
Presence of true coelom and metamerism |
d) |
Presence of true coelom and metamerism (metamerisation) |
Ascaris is characterized by |
|
a) |
Absence of true coelom but presence of metamerism |
b) |
Presence of neither true coelom nor metamerism |
c) |
Presence of true coelom and metamerism |
d) |
Presence of true coelom and metamerism (metamerisation) |
(b)
Body of Ascaris is elongate, cylindrical gradually tapering at both ends. There is no metameric segmentation. In Ascaris, between body wall and visceral organs is a spacious fluid filled cavity. This cavity is not true coleom as it is not lined by coelomic epithelium, has no relations with reproductive and excretory organs and develops from blastocoel.