Biology 11 Chapter - 9
Diversity Among Animals - 15
1.
Corals are made up of?
a) potasium sulphate
b) sodium carbonate
c) potasium carbonate
d) calcium carbonate
2.
Coral reefs are formed by?
a) obelia
b) hydra
c) sponges
d) corals
3.
Coral reefs are found in?
a) all of these
b) Florida
c) Australia
d) West indies
4.
Flatworms are included in the phylum?
a) porifera
b) platyhelminthes
c) achelminthes
d) cnidaria
5.
Which one of the following is a habitat of flatworms?
a) freshwater
b) all of these
c) animal liver
d) marine water
6.
Which one of the following is Not true about the flatworms?
a) they are acoelomates
b) they are triploblastic
c) they are true coelomates
d) they are pseudocoelomates
7.
The name platyhelminthes is given to the phylum because they are?
a) aquatic
b) dorsoventrally flatened
c) parasites
d) marine
8.
Excretion in flatworms is by means of?
a) flame cells
b) diffusion
c) malphigian tubes
d) kidneys
9.
Locomotion in planaria is by means of?
a) pseudopodia
b) cilia
c) feet
d) wings
10.
Which one of the following is Not a member of phylum platyhelminthes?
a) sea fan
b) planaria
c) liver fluke
d) tapeworm
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