Question

Which of the following is vestigial in humans

• A. Mammary glands in males
• B. Knee bones
• C. Nictitating membrane
• D. Ear pinna

Answer 1

The correct option is C Nictitating membrane

A survey of the therapeutic writing has demonstrated the case that the male nipple is vestigial or atavistic to be false.

Its similarity to the nictitating layer of different creatures prompted the possibility that it may be the remnant of such a structure, which is still seen in an eye in gorillas. Despite the fact that the purpose behind the departure of a nictitating layer in people in hazy.

So, the correct option is 'Nictitating membrane'.