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Wednesday, 01 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 21:
JAMB 2013
Which blood cell are involved in the immune response of vertebrates?
SchoolNGR Classroom
  • A Phagoecytes
  • B Lymphocytes
  • C Erythrocytes
  • D Monocytes
View Answer & Explanation
Question 22:
JAMB 2013
The blood circulatory system of vertebrates consists of
SchoolNGR Classroom
  • A Heart, arteries, capillaries and veins
  • B Heart, aorta, capillaries and veins
  • C Heart, aorta, arteries and veins
  • D Heart, vena cava, arteries, and veins
View Answer & Explanation
Question 23:
JAMB 2013
A plant tissue that carries water and mineral salts is the
SchoolNGR Classroom
  • A Cambium
  • B Xylem
  • C Cortex
  • D Phloem
View Answer & Explanation
Question 24:
JAMB 2013
Which of the following helps in the clotting of blood?
SchoolNGR Classroom
  • A Red blood cells
  • B White blood cells
  • C Plasma
  • D Platelets
View Answer & Explanation
Question 25:
JAMB 2013
The part of the mammalian skin involved in excretion is the
SchoolNGR Classroom
  • A Sweat glands
  • B Malpighian layer
  • C Sebaceous gland
  • D Horny layer
View Answer & Explanation

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