AIIMS2006Biology-Animal Kingdom
AIIMS 2006 Biology Mammals MCQ Question
Type: MCQ-conceptual-Easy-Class 11
All mammals without any exception are characterized by
A
viviparity and biconcave red blood cells
B
extra-abdominal testes and a four chambered heart
C
heterodont teeth and 12 pairs of cranial nerves
D
a muscular diaphragm and milk producing glands
Correct Answer
Option D
Detailed Explanation
All mammals are characterized by a muscular diaphragm and milk producing glands.
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