Biology 11 Chapter - 9
Diversity Among Animals - 7
1.
Body symmetry in the sea anemone is?
a) bilateral
b) absent
c) trilateral
d) radial
2.
Bilateral symmetry is present in?
a) both of these
b) none of these
c) grade bilateria
d) grade radiata
3.
The symmetry in which the animal is divided into two equal halves in only one plane is known as?
a) none of these
b) trilateral
c) radial
d) bilateral
4.
Which one of the following animal groups is not included in grade bilateria?
a) cnidaria
b) achelminthes
c) arthropoda
d) platyhelminthes
5.
The symmetry in the chordata and hemichordata is?
a) radial
b) absent
c) trilateral
d) bilateral
6.
The animal group in which the larval stages show bilateral and adult stages show radial symmetry is?
a) arthropoda
b) cnidaria
c) echinodermata
d) annelida
7.
The animals in grade bilateria are?
a) diploblastic
b) triploblastic
c) monoblastic
d) tetrablastic
8.
On the basis of body cavity, animals are classified into?
a) coelomates and pseudocoelomates
b) pseudocoelomates and acoelomates
c) coelomates and acoelomates
d) coelomates, pseudocoelomates and acoelomates
9.
Coelom is?
a) a cavity with in the body wall
b) a cavity with in the digestive tube
c) a cavity between body wall and digestive tube
d) a layer of body wall
10.
Bilateral symmetry is an adaptation to?
a) sessile life
b) aquatic life
c) motile life
d) aerial life
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