Question

Assertion All reptiles have three-chambered heart.
Reason Reptilian heart is moere advance than avian heart.
A. Both Assetion and Reason are true and Reason is the correct exp lanation of Assertion
B. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C. Assertion is true, but Reason is false
D. Reason is true, but Assertion is false

Answer 1

Correct Answer - D
Crocodile, alligator and Gavialis have four-chambered heart with two aauricles. Avian and mammalian hearys are most advaned. They possess completely four-chambered heart. There is separation of oxygenated and deoxygented blood and there is a complaete double blood circulation.