Biology 11 Chapter - 9
Diversity Among Animals - 40
1.
Which one of the following fins is single in bony fishes?
a) Dorsal
b) B and c are correct
c) Pectoral
d) Pelvic
2.
The caudal fin in bony fishes is?
a) Heterocercal
b) Homocercal
c) Isocercal
d) Absent
3.
Which one of the following is not true about bony fishes?
a) No cloaca
b) Ventral mouth
c) Well developed jaws
d) Terminal mouth
4.
Labeo rohita belongs to?
a) Osteichthyes
b) Cephalospidomorphi
c) Chondrichthyes
d) Mixini
5.
Which one of the following is not the property of bony fishes?
a) Operculum absent
b) Terrestrial
c) No swim bladder
d) Operculum present
6.
The function of swim bladder is?
a) Sperm formation
b) Egg formation
c) Bouyancy
d) Reproduction
7.
Heart of bony fishes is?
a) 3 chambered
b) 4 chambered
c) 5 chambered
d) 2 chambered
8.
How many pairs of aortic arches are present in bony fishes?
a) 5
b) 3
c) 4
d) 2
9.
Which one of the following is not the property of bony fishes?
a) Hermaphroditism
b) Paired gonades
c) External fertilization
d) Separate sexes
10.
___ pairs of cranial nerves are present in the brain of bony fishes?
a) 6
b) 8
c) 12
d) 10
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