NEET Biology question

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

(A)Chordata – possess a mouth provided with an upper and lower jaw
(B)Chondrichthyes – possess cartilaginous endoskeletonCorrect
(C)Mammalia – give birth to young ones
(D)Reptilia – possess 3-chambered heart with one incompletely divided ventricle

Answer: (B)

Solution

Every member of class Chondrichthyes possesses an exclusively cartilaginous endoskeleton without exception. Chordata includes jawless forms (lampreys), so a jawed mouth is not universal; monotreme mammals

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-106257