JAMB Biology 2010 Objective — Question 21

Question 21 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2010 Objective paper, with the correct answer and a full explanation.

The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the

A. sweat glands
B. sebaceous glandsCorrect
C. fatty cells
D. granular layer

Explanation

Sebum, the oily substance that lubricates skin and mammalian hair, is secreted by the sebaceous glands.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Biology 2010 Objective More Biology past papers