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Monday, 22 June 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 741:
A-person who fails to detect the bitter taste of a substance swallowed, is more likely to have
  • A Dead taste buds on the tongue
  • B Avoided the substance from contacting the back of his/her tongue
  • C Fewer taste buds on the tongue
  • D Swallowed the substance without any water
View Answer & Explanation
Question 742:
Which of the following solutions is suitable for removing chlorophyll in a green leaf?
  • A Million’s reagent
  • B Methylated spirit
  • C Benedict solution
  • D Fehling’s solution
View Answer & Explanation
Question 743:
Which of the following is not promoted by high wind speed?
  • A Rill erosion
  • B Weathering of parent rock
  • C Breeding of plant
  • D Opening of stomata
View Answer & Explanation
Question 744:
Micro-organisms which break down dead organisms and absorb their contents are called
  • A Decomposers
  • B Consumers
  • C Parasites
  • D Commensals
View Answer & Explanation
Question 745:
The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the
  • A Carnivores
  • B Herbivores
  • C Scavengers
  • D Autotrophs
View Answer & Explanation