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Friday, 16 October 2026
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Biology Past Questions and Answers

Jamb 1986 Biology Questions

Question 31:
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 32:
Two main distinguishing features of the cervical vertebra are the presence of
  • A Short neural spine and vertebraterial canal
  • B Prozygapophysis and cervical ribs
  • C Large centrum and cervical ribs
  • D Vertebraterial canal and large centrum
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Question 33:
Nastic movement is
  • A Response to light stimulus
  • B Non-directional
  • C Directional
  • D Response to internal stimulus
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Question 34:
Gestation in mammals is the period
  • A Required for growth after birth
  • B Between the formation of the foetus and birth
  • C Of development from zygote to birth
  • D Before the formation of the zygote
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Question 35:
If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal?
  • A Three
  • B Two
  • C One
  • D None
View Answer & Explanation