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Sunday, 15 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 2001:
The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;
Number in the habitat
Organism
habitat W habitat Y
Plankton 126 0
Antelope 0 51
Water flea 10 0
Tilapia 23 0
Lion 0 6
Frog 6 0
Grass 0 250




The number of lions and antelops in habitat Y shows that the lion
  • A Is the prey while the antelope is the predator
  • B Is the predator while the antelope is the prey
  • C And the antelope are preys to each other
  • D And the antelopes are predators
View Answer & Explanation
Question 2002:
The diagram below is an illustration of a part of a flower. Study it and answer the question below.

The part labeled II is the
  • A Unfused stigma
  • B Fused style
  • C Fused ovaries
  • D Unfused anther
View Answer & Explanation
Question 2003:
The reagent used in testing for carbon (IV) oxide is
  • A Copper sulphate solution
  • B Lime water
  • C Hydrochloric acid
  • D Sodium hydroxide solution
View Answer & Explanation
Question 2004:
Oxygen comes out of the stomata during photosynthesis through the process known as
  • A Diffusion
  • B Transpiration pull
  • C Osmosis
  • D Active transport
View Answer & Explanation
Question 2005:
The first stable product of photosynthesis is
  • A Starch
  • B Fructose
  • C Glucose
  • D Sucrose
View Answer & Explanation