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Saturday, 14 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1486:
Which part of the nephron is associated with ultra-filtration?
  • A Distal convoluted tubule
  • B Proximal convoluted tubule
  • C Collecting duct
  • D Bowman's capsule
View Answer & Explanation
Question 1487:
Which of the following conditions would result result in a decrease in the production of antidiuretic hormone?
  • A Abnormally high blood sugar level
  • B Drinking large quantities of water
  • C Increase in osmotic pressure of blood
  • D Period of strenuous exercise
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Question 1488:
Which of the following structures is not essential in a wind pollinated flower?
  • A Anther
  • B Ovary
  • C Stigma
  • D Petal
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Question 1489:
The resolution of a microscope refers to its power to
  • A Increase an object's apparent size
  • B Distinguish clearly between two objects
  • C Scan the surface of an object
  • D Focus on an object
View Answer & Explanation
Question 1490:
The process by which plants manufacture food from carbon dioxide and water using energy from the sun is called
  • A Chemosynthesis
  • B Photosynthesis
  • C Anabolism
  • D Catabolism
View Answer & Explanation