Q. Sub classes for class-Mammalia are
A) Eutheria and Metatheria
B) Ornithorhynchus and Pleurorhynchus
C) Hemiechinus and Macropus
D) Theria and Prototheria
Explanation
Class-Mammalia is divided into sub-class-Theria and Prototheria. Eutheria and Metatheria are infraclass under sub-class-Theria. Hemiechinus is the generic name for hedge hog. Macropus is the generic name for kangaroo and Ornithorhynchus is the generic name for duck-bill platypus
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.