Animal Kingdom Question 123
123. Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
[2011]
(a) Reptilia : possess 3 - chambered heart with one incompletely divided ventricle
(b) Chordata : possess a mouth provided with an upper and lower jaw
(c) Chondrichthyes : possess cartilagious endoskeleton
(d) Mammalia : give birth to young one.
Show Answer
Answer : c
Hints & Solutions
(c) Chondrichthyes are the cartilaginous fish with a flexible skeleton made of cartilage rather than bone.
