Animal Kingdom Ques 26
26. What is common in Whale, Bat and Rat?
[1993]
(a) Absence of neck
(b) Muscular diaphragm between thorax and abdomen
(c) Testes are located outside the abdominal cavity to avoid the high temperature of the body
(d) Presence of external ears
Show Answer
Answer : b
Hints & Solutions
(b) Diaphragm is present in mammals as a muscular seperator between thorax and abdominal region.
BETA
