Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Find the correctly matched pair.
A
Birds - Oxygenated and deoxygenated blood gets mixed up in the single ventricle
B
Mammals - Blood flows in two pathways
C
Single 
Blood flows at a high pressure circulation
Blood flows at a high pressure circulation
D
Crocodile - Incomplete double circulation
Text Solution
Verified by ExpertsThe correct answer is:
B
Pair in option is correctly matched. Other incorrect pairs can be corrected as Birds have complete double circulation, i.e. there is no mixing of Oxygenated and deoxygenated blood. Single circulation is less efficient, blood flows at low pressure. In crocodile also, there is no mixing of pure and impure blood. It has complete double circulation.
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