The Living World Question 244
Question: Assertion : Atavism is the reappearance of disappeared ancestral characters. Reason : Third molars and hair on body are examples of atavism.
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: C
Solution:
Atavism is the appearance of certain ancestral characters which had either disappeared or were reduced.
There are present some examples of atavism in human being, viz., the power of moving pinna in some persons, greatly developed canine teeth, exceptionally long dense hairs, short tail in some babies and presence of additional mammae in some individuals.
Third molars and hair on the body are examples of vestigial organs.
BETA
