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Thursday, 12 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1011:
Which of the following parts of a cell is not an organelle?
  • A Food vacuole
  • B Mitochondrion
  • C Cell wall
  • D Nucleus
View Answer & Explanation
Question 1012:
The folded portion of mitochondrion is called
  • A Cristae
  • B Cell membrane
  • C Nucleolus
  • D Partition
View Answer & Explanation
Question 1013:
The physical process which occurs when a red blood
cell is placed in distilled water causing it to burst and
break down is known as
  • A Crenation
  • B Plasmolysis
  • C Turgidity
  • D Haemolysis
View Answer & Explanation
Question 1014:
During the process of osmosis a semi-permeable
membrane allows
  • A Only solute molecules to pass through it
  • B Both solute and solvent molecules to pass through it
  • C Only solvent molecules to pass through it
  • D Only gaseous molecules to pass through it
View Answer & Explanation
Question 1015:
Which of the following environmental conditions is ideal
for plant cells to remain turgid?
  • A Hot, dry weather
  • B Windy weather
  • C Cold, dry weather
  • D Cool, humid weather
View Answer & Explanation