1 |
Dolphin is |
Fish
Bird
Mammals
Amphibian
|
2 |
Mammals have only |
Right arotic arch
Left arotic arch
Both left and right arotic arches
No artic arch
|
3 |
Kangaroo belong to sub class. |
Eutheria
Reptilia
Metatheria
Prototheria
|
4 |
The pouched mammals are |
Prototheria
Methatheria
Eutheria
Egg lying mammals
|
5 |
Mammals become dominant in |
Paleozoic period
Mesozoic period
Coenozoic period
Proterozoic period
|
6 |
What is the true sequence of bones in the mammalianear. |
Malleus, incuse and stapes
Incus and stapes
Malleus and stapes
Stapes and malleus
|
7 |
The sub class that has not primitive mammals is |
Prototherian
Eutherian
Megatheria
None of these
|
8 |
Marsupium is the characteristic feature of. |
Dolphin
Opossum
Echidna
duckbill platypus
|
9 |
Prototherian are commonly called. |
Egg laying mammals
placental mammals
Pouched mammals
None of these
|
10 |
One of the following is a fossil fish. |
Cotylosaurs
Veranope
dipnol
Archaeopteryx
|
11 |
Scales in pangolin are actually. |
Modified rings
Modified feathers
spines
Modified hairs
|
12 |
Syrinx is a |
Organ of voice in mammals
Organ of voice in birds
Copulatory organ in birds
Seuse organs in birds
|
13 |
Syrinx is an organ of voice in. |
Amphibians
Birds
Mammals
Reptiles
|
14 |
Voice organs of birds. |
Larynx
Pharynix
syrinx
Vocal cords
|
15 |
the hind limb of birds is modified for. |
Walking
Perching
Running
Flying
|
16 |
The skeleton of birds is light due to. |
<div>Extension of lungs</div>
Air chambers
Air spaces
Air sacs
|
17 |
One of these is an early reptile |
Platy pus
Archaeopterye
Varanope
snake
|