Biology 11 Chapter - 9
Diversity Among Animals - 29
1.
The skeleton of echinoderms is?
a) Absent
b) Endoskeleton
c) Hydrostatic skeleton
d) Exoskeleton
2.
The echinoderms are called as spiny skinned animals because of?
a) Coelom
b) Dual symmetry
c) Spine in thier skeleton
d) Marine habitat
3.
The body of the cake urchin is?
a) Star shaped
b) Globular
c) Biscuit like
d) Elongated
4.
Which one of the following is not an echinoderm?
a) Brittle star
b) Sea urchin
c) Star fish
d) Tsetse fly
5.
Sea lily belongs to the phylum?
a) Nematoda
b) Arthropoda
c) Molluska
d) Echinodermata
6.
Water vascular system is the charactristic of?
a) Insects
b) Arachnids
c) Echinoderms
d) Mollusks
7.
Madreporite is the part of?
a) Digestive system
b) Water vascular system
c) None of these
d) Locomotory system
8.
Which one of the following is a locomotory organ?
a) Flame cells
b) All of these
c) Tube feet
d) Malphigian tubes
9.
Which one of the following is true about echinoderms?
a) External fertilization
b) Hermaphrodite
c) Radial symmetry
d) Internal fertilization
10.
Which one of the following exhibit autotomy and regeneration?
a) All of these
b) Sea urchin
c) Star fish
d) Sea lily
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