Biology 11 Chapter - 9
Diversity Among Animals - 47
1.
How many occipital condyle(are present in the skull of mammals?
a) One
b) Three
c) Four
d) Two
2.
Pinna is called the?
a) External ear
b) Middle ear
c) Internal ear
3.
Pinna is the charactristic of?
a) Mammals
b) Reptiles
c) Amphibians
d) Birds
4.
Incus, maleus and stapes are the bones of?
a) Ear of birds
b) Ear of mammals
c) Legs of birds
d) Legs of reptiles
5.
Which one the following kinds of teeth are present in mammals?
a) Deciduous
b) Permanent
c) Both of these
d) None of these
6.
Heart of mammals is?
a) 3 chambered
b) 2 chambered
c) 4 chambered
d) 5 chambered
7.
Milk teeth are present in?
a) Humans
b) Crocodiles
c) Fishes
d) Birds
8.
Mammals have?
a) Only left aortic arch
b) Only right aortic arch
c) Both left and right aortic arches
9.
Which one of the following has non-nucleated rbcs?
a) Mammals
b) Fishes
c) Birds
d) Reptiles
10.
The voice box of mammals is?
a) Pharynx
b) Syrinx
c) Incus
d) Larynx
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