Home
Current Affairs January 2024

What is the correct answer?

4

The pair of fins seen on either side of cloaca of fishes are the

A. pelvic fins

B. cloacal fins

C. anal fins

D. caudal fins

Correct Answer :

A. pelvic fins


Related Questions

What is the correct answer?

4

Placoid scales are found in

A. cartilaginous fishes

B. bony fishes

C. lung fishes

D. paleontological fishes

What is the correct answer?

4

Which of the following does not have lateral line organs ?

A. Whale

B. Tadpole

C. Aquatic urodeles

D. Common Indian dog fish

What is the correct answer?

4

In a fish aquarium green aquatic plants are grown for

A. Oxygen

B. Carbon dioxide

C. Fish food

D. Decoration

What is the correct answer?

4

Which of the following is a Shark ?

A. Dasyatis

B. Chimaera

C. Sphyma

D. Torpedo

What is the correct answer?

4

Study of sharks and rays is known as

A. Saurology

B. Traumatology

C. Torpedology

D. Ichthyology

What is the correct answer?

4

The flying fish Exocoetus belongs to the class

A. Dipnoi

B. Osteichthyes

C. Cyclostomata

D. Chondrichthyes

What is the correct answer?

4

The pair of fins found near the operculum in bony fishes is known as

A. anterior fins

B. ray fins

C. pectoral fins

D. paired fins

What is the correct answer?

4

A group of cartilaginous fishes specialised for bottom dwelling is

A. sharks

B. whales

C. lung fishes

D. rays

What is the correct answer?

4

A well developed swim bladder is seen in fishes which

A. live at the bottom of rivers

B. live in shallow streams

C. are active swimmers

D. live in sea water

What is the correct answer?

4

A muscular fin, aiding in propulsion is

A. dorsal

B. ventral

C. caudal

D. pelvic

What is the correct answer?

4

Parental care is a characteristic of

A. cat fish

B. dog fish

C. flying fish

D. seahorse

What is the correct answer?

4

Which one of the cartilaginous fishes posses an operculum over the gill ?

A. Trygon

B. Torpedo

C. Chimaera

D. Sphynta

What is the correct answer?

4

Sharks and rays can be distinguished by

A. the nature of their scales

B. the position of the mouth

C. the position of gill slits

D. the kind of the tail fin

What is the correct answer?

4

In sharks, the scales are

A. placoid

B. cycloid

C. ctenoid

D. rhombiod

What is the correct answer?

4

Torpedo, the electric ray, could give a shock of about

A. 10 volts

B. 100 volts

C. 50 volts

D. 150 volts

What is the correct answer?

4

Which fish is famous for cod liver oil ?

A. Shark

B. Cod

C. Amia

D. Both (a) and (b)

What is the correct answer?

4

Rays have

A. a rounded body with ventral gill clefts

B. a flattened body with dorsal gill clefts

C. a flattened body with ventral gill clefts

D. any of these

What is the correct answer?

4

Which of the following is not true about bony fishes ?

A. Five pairs of gills covered with operculum

B. Homocercal tail

C. Eight pairs of gills

D. Any of these

What is the correct answer?

4

The function of swim bladder in fishes is mainly

A. sound production

B. respiratory

C. locomotion

D. hydrostatic

What is the correct answer?

4

Most venomous fish is

A. electric fish

B. saw fish

C. stone fish

D. dog fish

What is the correct answer?

4

In Scoliodon, the thermoreceptors are

A. ampullae of lorenzini

B. lateral line system

C. stato-acoustic organs

D. neuromast organs

What is the correct answer?

4

Air baldder in fishes does not help in

A. respiration

B. excretion

C. movement

D. none of these

What is the correct answer?

4

Homocercal tail fin with symmetrical upper and lower lobes is present in

A. Scoliodon

B. Electric ray

C. Whale

D. Lung fish

What is the correct answer?

4

Torpedo is a name for

A. sawfish

B. seahorse

C. electric ray

D. sucker fish

What is the correct answer?

4

The oldest living fish is

A. Coelocanth

B. Diodon

C. Sturgeon

D. Labeo

What is the correct answer?

4

Fish scales originate from one of the following?

A. Endoderm

B. Mesoderm

C. Ectoderm

D. Integument

What is the correct answer?

4

Anandromous fishes are those which

A. live in sea water and migrate to fresh water rivers and lakes for breeding

B. live in fresh water and migrate to sea for breeding

C. both (a) and (b)

D. none of these

What is the correct answer?

4

A homocercal tail is found in

A. teleosts

B. sharks

C. lung fishes

D. rays

What is the correct answer?

4

Chondrichthyes differs from Osteichthves in

A. having gills not covered by operculum

B. presence of lateral line system

C. presence of large scales

D. presence of terminal mouth

What is the correct answer?

4

A fish is characterised by the presence of

A. pharyngeal gills

B. paired fins

C. dermal scales

D. all of these