MCQs of Biology – Pisces

which of the following is the largest class of vertebrates in the number of species ?

Branch of biology dealing with study of fishes is:

In which of the following periods the fishes originated :

The’ Age of Fishes ‘ is:

A fish has no:

An exo- and exoskeleton are found

which is the most distnct character of fishes ?

Which fins are paired in fishes?

A fish differs from whale in having:

Two – chambered heart is a feature of:

Which of the following is characteristic of fishes ?

Peculiarity of fish heart is that it has:

In fishes, the kidney is:

Excretory producers of fishes :

Weberian ossicles are found in:

Which of the following structures of fish is homologous to the lung of frog?

Air bladder is:

Air bladder in a fish does not help in:

Fishes have very poor sense organs for:

Sense organ found only in fishes :

Which one is a true fish?