Animal Kingdom Question 833
Assertion : The duck-billed Platypus and the spiny ant-eater, both are egg-laying animals yet they are grouped under mammals. [AIIMS 2005] Reason : Both of them have three cervical vertebrae and 12 pairs of cranial nerves. [AIIMS 2005]
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: A
Solution:
The duck billed platypus and the shiny anteater are primitive oviparous mammals, not reptiles, and are included in subclass Prothothereia of class Mammalia.
Both of them have 12 pairs cranial nerves and 8 cervical.
BETA
