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Saturday, 14 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1636:
Which of the following organs is responsible for the production of insulin?
  • A Spleen
  • B Adrenal gland
  • C Thyroid gland
  • D Pancreas
View Answer & Explanation
Question 1637:
Which of the following actions is NOT a voluntary action?
  • A Stealing
  • B Sneezing
  • C Fighting
  • D Cheating
View Answer & Explanation
Question 1638:
Which of the following parts of the ear does NOT contain endolymph?
  • A Semi-circular canals
  • B Utriculus
  • C Tympanum
  • D Sacculus
View Answer & Explanation
Question 1639:
The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question
The CORRECT order for the test is
  • A I, II, III and IV
  • B I, III, II and IV
  • C II, III,, I and IV
  • D III, I, II and IV
View Answer & Explanation
Question 1640:
The best time to pluck the leaf for the experiment is
  • A After being exposed to sunlight
  • B Three hours after sunset
  • C Before sunrise
  • D Six hours after sunset
View Answer & Explanation