Which of the following does not have lateral line organs ?
Whale
Tadpole
Aquatic urodeles
Common Indian dog fish
Correct Answer :
A. Whale
Related Questions
Torpedo is a name for
sawfish
seahorse
electric ray
sucker fish
Which of the following is a Shark ?
Dasyatis
Chimaera
Sphyma
Torpedo
Which of the following is not characteristic of chondricthyes ?
Placoid scales
Heterocercal tail fin
Ventrally placed mouth
Operculum
Chondricthyes is not characterised by the presence of
Placoid scales
Ventral mouth
Operculum
Five pairs of gill slits
A homocercal tail is found in
teleosts
sharks
lung fishes
rays
Chondrichthyes differs from Osteichthves in
having gills not covered by operculum
presence of lateral line system
presence of large scales
presence of terminal mouth
Which of the following is not true about bony fishes ?
Five pairs of gills covered with operculum
Homocercal tail
Eight pairs of gills
Any of these
In sharks, the scales are
placoid
cycloid
ctenoid
rhombiod
The saw fish Pristis is a member of the class
Osteichthyes
Chondrichthyes
Dipnoi
Holocephali
Air baldder in fishes does not help in
respiration
excretion
movement
none of these
Heterocercal tail fin is a characteristic of which group of fishes?
cartilaginous fishes
bony fishes
both (a) and (b)
all fishes except sharks
Placoid scales are found in
cartilaginous fishes
bony fishes
lung fishes
paleontological fishes
Homocercal tail fin with symmetrical upper and lower lobes is present in
Scoliodon
Electric ray
Whale
Lung fish
A group of cartilaginous fishes specialised for bottom dwelling is
sharks
whales
lung fishes
rays
Air bladder in fishes does not help in
respiration
sound production
excretion
movement
The pair of fins found near the operculum in bony fishes is known as
anterior fins
ray fins
pectoral fins
paired fins
The flying fish Exocoetus belongs to the class
Dipnoi
Osteichthyes
Cyclostomata
Chondrichthyes
Parental care by males is found in
hippocampus
labeo
anabes
none of these
Fish scales originate from one of the following?
Endoderm
Mesoderm
Ectoderm
Integument
Cod liver oil is a rich source of
vitamin A
iron
calcium
vitamin B complex
A well developed swim bladder is seen in fishes which
live at the bottom of rivers
live in shallow streams
are active swimmers
live in sea water
The oldest living fish is
Coelocanth
Diodon
Sturgeon
Labeo
The tympanum is absent in
dog fish
bony fishes
both (a) and (b)
all fishes
In a fish aquarium green aquatic plants are grown for
Oxygen
Carbon dioxide
Fish food
Decoration
Mermaid purse is
a shell
egg case of skate fishes
a colony of skate fishes
none of these
Water into the gills of fishes passes through
nostrils
mouth
gill slits
swimming bladder
Sea horse is a
mollusc
mammal
star fish
bony fish
Torpedo, the electric ray, could give a shock of about
10 volts
100 volts
50 volts
150 volts
Which fish is famous for cod liver oil ?
Shark
Cod
Amia
Both (a) and (b)
Which of the following fishes lack claspers, used for internal fertilization in cartilaginous fishes ?
Sharks
Stingray
Dogfish
Catfish