Biology 11 Chapter - 9
Diversity Among Animals - 33
1.
Notochord persists throughout life. This is about?
a) All lower chordates
b) All higher chordates
c) Some lower chordates
d) Some higher chordates
2.
The group of chordates which have no skull is?
a) Polychaeta
b) Hemichordata
c) Craniata
d) Protochordata
3.
The chordates with skull are known as?
a) Protochordates
b) Prochordates
c) Acraniates
d) Craniates
4.
Which one of the following is a group of protochordates?
a) B and c are correct
b) Hemichordates
c) Cephalochordates
d) Urochordates
5.
The body covering of urochordates is known as?
a) Cuticle
b) Tunic
c) Bone
d) Shell
6.
The memberane lining the tunic in urochordates is known as?
a) Tube feet
b) Tentacle
c) Cuticle
d) Mantle
7.
Ascidia is a?
a) Hemichordate
b) Tunicate
c) Insect
d) Sponge
8.
Nephrocytes in the urochordates are?
a) Excretory organs
b) Locomotory organs
c) Respiratory organs
d) Digestive organs
9.
Which one of the following is not a property of tunicates?
a) Incomplete digestive tract
b) Complete digestive tract
c) Pharyngeal gill slits
d) Open circulatory system
10.
Tunic is the charactristic property of?
a) Tunicates
b) Arachnids
c) Insects
d) Cnidarians
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