| Which of the following statement is/are correct? |
| I. Animals of class-Mammalia have seven cervical vertebrae. |
| II. Homodont type of dentition is a mammalian character. |
| III. All mammals are characterised by viviparity and biconcave red blood cells. |
| IV. Whale is an egg laying mammal. |
A) All of these
B) Only I
C) II, III and IV
D) None of these
Correct Answer: B
Solution :
Mammals without exception are characterised by a muscular diaphragm and milk producing glands. They have heterodyne dentition, Platypus is an example of egg-laying mammals.
You need to login to perform this action.
You will be redirected in
3 sec
