Biology 11 Chapter - 9
Diversity Among Animals - 32
1.
Glomerulus in hemichordates is ?
a) Excretory organ
b) Reproductive organ
c) Respiratory organ
d) Digestive organ
2.
Which one of the following is true about hemichordates?
a) Freshwater habitat
b) Internal fertilization
c) No larval stage
d) External fertilization
3.
The foul smell produced by the hemichordates provide them?
a) Protection
b) Locomotion
c) Respiration
d) Sensory function
4.
The representative members of phylum chordata are called as?
a) Chordates
b) Sponges
c) Acorn worms
d) Hemichordates
5.
Which one of the following is not a chordate animal?
a) Mammal
b) Lancelet
c) Fish
d) Saccoglossus
6.
Tunicates are included in they phylum?
a) Arthropoda
b) Chordata
c) Hemichordata
d) Echinodermata
7.
Which one of the following is a prominent character of all chordates?
a) All of these
b) Centeral nervous system
c) Notochord
d) Gill slits
8.
In adult chordates, the notochord is replaced by?
a) Brain
b) Skull
c) Vertebral column
d) Heart
9.
Which one of the following is not the function of notochord?
a) Support
b) Axial endoskeleton
c) Area for muscle attachment
d) Reproduction
10.
The nerve cord in chordates is?
a) Lateral
b) Dorsal
c) Sub ventral
d) Ventral
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