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Thursday, 01 October 2026
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Biology Past Questions and Answers

Topic: Skin

Jamb Biology Questions - Skin

Question 1:
In the mammalian skin, melanin and keratin are contained in the
  • A Sebaceous gland
  • B Sweat gland
  • C Subcubaneous layer
  • D Malpighian layer
View Answer & Explanation
Question 2:
The skin, through the sweat glands, function as
  • A An excretory organ
  • B A respiratory organ
  • C A sensory organ
  • D A protective organ
View Answer & Explanation
Question 3:
The sweat gland is the structure labelled
  • A I
  • B II
  • C III
  • D IV
View Answer & Explanation
Question 4:
The part of the mammalian skin involved in temperature regulation is the
  • A Sweat gland
  • B Hair papilla
  • C Hair follicle
  • D Sebaceous gland
View Answer & Explanation
Question 5:
What will happen wen two equal sized pieces of unripe pawpaw labelled X and Y are dropped into equal volumes of concentrated salt solution and distilled water respectively?
  • A Pawpaw X will become turgid
  • B Both will increase in size
  • C Pawpaw Y will become turgid
  • D Both will decrease in size
View Answer & Explanation