Question

Osteichthyes and Chondrichthyes are
similar in which of the following features ?
(a) Presence of opisthonephric kidneys and bony
endoskeleton
(b) Presence of poision stings and electric
organs.
| (c) Presence of 10 pairs of cranial nerves and
absence of neck
(d) Presence of two chambered heart and ctenoid
scales​

Answer 1

Answer:

ANS IS C

Explanation:

HERE IM GIVING U REASONS WHY OTHER OPTIONS CANT BE ANS =

A] BONY ENDOSKELETON IS NOT PRESENT IN CHONDRICHTHYES they have cartilagenous  endoskeleton

B] POISION STINGS AND ELECTRIC STINGS ARE CHARACTERISTIC OF CHONDRICHTHYES NOT OF Osteichthyes

d ] ctenoid  scales are present in Osteichthyes not in ​ Chondrichthyes

​

c]  Presence of 10 pairs of cranial nerves and

absence of neck== both Osteichthyes and Chondrichthyes  have this !