Air bladder in fishes does not help in
respiration
sound production
excretion
movement
Correct Answer :
C. excretion
Related Questions
Chondricthyes is not characterised by the presence of
Placoid scales
Ventral mouth
Operculum
Five pairs of gill slits
Fishes swim in water because they have
lungs
air bladders
cartilaginous skeleton
fins
Chondrichthyes differs from Osteichthves in
having gills not covered by operculum
presence of lateral line system
presence of large scales
presence of terminal mouth
Anandromous fishes are those which
live in sea water and migrate to fresh water rivers and lakes for breeding
live in fresh water and migrate to sea for breeding
both (a) and (b)
none of these
Air bladder in fishes does not help in
respiration
sound production
excretion
movement
Study of sharks and rays is known as
Saurology
Traumatology
Torpedology
Ichthyology
Which of the following is a Shark ?
Dasyatis
Chimaera
Sphyma
Torpedo
In Scoliodon, the thermoreceptors are
ampullae of lorenzini
lateral line system
stato-acoustic organs
neuromast organs
Cod liver oil is a rich source of
vitamin A
iron
calcium
vitamin B complex
The fish used to control spread of malaria is
Pterois
Fistularia
Gambusia
None of these
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
Air baldder in fishes does not help in
respiration
excretion
movement
none of these
A homocercal tail is found in
teleosts
sharks
lung fishes
rays
Torpedo is a name for
sawfish
seahorse
electric ray
sucker fish
Salmon is an example of
anandromous migration
catadromous migration
cartilaginous fish
none of these
Which fish is famous for cod liver oil ?
Shark
Cod
Amia
Both (a) and (b)
Heterocercal tail fin is a characteristic of which group of fishes?
cartilaginous fishes
bony fishes
both (a) and (b)
all fishes except sharks
Which of the following fishes lack claspers, used for internal fertilization in cartilaginous fishes ?
Sharks
Stingray
Dogfish
Catfish
Fillibranch gills are present in
all types fishes
only cartilaginous fishes
only bony fishes
sea dwelling fishes
The tympanum is absent in
dog fish
bony fishes
both (a) and (b)
all fishes
A fish is characterised by the presence of
pharyngeal gills
paired fins
dermal scales
all of these
Parental care is a characteristic of
cat fish
dog fish
flying fish
seahorse
Mermaid purse is
a shell
egg case of skate fishes
a colony of skate fishes
none of these
The flying fish Exocoetus belongs to the class
Dipnoi
Osteichthyes
Cyclostomata
Chondrichthyes
The pair of fins found near the operculum in bony fishes is known as
anterior fins
ray fins
pectoral fins
paired fins
The pair of fins seen on either side of cloaca of fishes are the
pelvic fins
cloacal fins
anal fins
caudal fins
Fish scales originate from one of the following?
Endoderm
Mesoderm
Ectoderm
Integument
Sharks and rays can be distinguished by
the nature of their scales
the position of the mouth
the position of gill slits
the kind of the tail fin
Most venomous fish is
electric fish
saw fish
stone fish
dog fish
In sharks, the scales are
placoid
cycloid
ctenoid
rhombiod