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Sunday, 26 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 416:
Blood platelets are important because they are
  • A Amoeboid and nucleated
  • B Produce antitoxins
  • C Produce antibodies
  • D Digest harmful bacteria
  • E Release thrombin for blood clothing
View Answer & Explanation
Question 417:
If a child can receive blood from all donors , he belongs to the blood group
  • A O
  • B A
  • C B
  • D AB
  • E AS
View Answer & Explanation
Question 418:
Which of the following events does NOT occur during anaerobic respiration of glucose?
  • A Muscle cells produce lactic acid
  • B Carbon dioxide is produced
  • C Milk bacteria produce lactic acid
  • D Energy is not produced
  • E Germinating seeds produced alcohol
View Answer & Explanation
Question 419:
Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry
  • A 1, 2, 3
  • B 1, 2, 5
  • C 2, 3, 5
  • D 2, 4, 5
  • E 1, 3, 5
View Answer & Explanation
Question 420:
In mammals, the function of the sebaceous gland is to
  • A Produce sweat
  • B Secrete sodium choride
  • C Secrete water
  • D Produce an oily substance
  • E Manufacture vitamin D for the skin
View Answer & Explanation