Biology 11 Chapter - 9
Diversity Among Animals - 5
1.
Which one of the following structures is found between the germ layers of diploblastic animals?
a) endoderm
b) ectoderm
c) mesoderm
d) mesoglea
2.
Which one of the following is present in diploblastic animals?
a) centeral nervous system
b) specialized organs
c) transport system
d) reproductive system
3.
The digestive system of diploblastic animals is?
a) vestigial
b) rudimentary
c) tube like
d) sac like
4.
The symmetry in diploblastic animals is?
a) trilateral
b) bilateral
c) radial
d) absent
5.
Which one of the following animal groups is diploblastic?
a) annelida
b) arthropoda
c) cnidaria
d) mammalian
6.
How many germ layers are present in triploblastic animals?
a) 3
b) 5
c) 4
d) 2
7.
The germ layers of triploblastic animals are?
a) ectoderm, mesoderm and endoderm
b) mesoderm and endoderm
c) ectoderm and endoderm
d) ectoderm and mesoderm
8.
Which one of the following organ systems is the fate of ectoderm?
a) muscular
b) integumentary
c) skeletal
d) digestive
9.
Which one of the following is not derived from mesoderm?
a) muscular system
b) skeletal system
c) reproductive system
d) lining of digestive tract
10.
The nervous system is derived from?
a) ectoderm
b) mesoderm
c) endoderm
d) mesoglea
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