Q. Ornithorhynchus is an example of
A) Dinosaur
B) Monotreme mammal
C) Marsupial mammal
D) Eutherian mammal
Explanation
Ornithorhynchus anatinus (Duck-billed platypus) is a monotreme mammal, which belongs to sub-class-Prototheria (primitive egg laying mammals), order-Monotremata (living prototherians).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.