Q. Identify the group, which includes animals all of which give birth to young ones directly.
A) Dolphin, kangaroo, bat, cat
B) Platypus, penguin, bat, hippopotamus
C) Shrew, bat, kiwi, cat
D) Lion, whale, ostrich, bat
Explanation
Dolphin, kangaroo, bat and cat are mammals, which give birth to young ones directly.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.