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Saturday, 17 October 2026
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Biology Past Questions and Answers

Jamb 2002 Biology Questions

Question 16:
The supporting tissue in xylem is most poorly developed in
  • A Mangrove swamp plants
  • B Grassland plants
  • C Submerged water plants
  • D Desert plants
View Answer & Explanation
Question 17:
The addition of lime to clayed soil serves to
  • A Aid water retention
  • B Close up the texture
  • C Prevent water logging
  • D Improve capillary action
View Answer & Explanation
Question 18:
The excessive use of agro-chemicals could lead to the pollution of
  • A The lithosphere
  • B The atmosphere
  • C Fresh water
  • D Space
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Question 19:
In a population study using the transect method, a student is likely to record the highest number of species in
  • A A tropical rain forest
  • B A guinea savanna
  • C A sahel savanna
  • D An estuarine swamp
View Answer & Explanation
Question 20:
In his theory of evolution, Darwin implied that
  • A The struggle for existence among living organisms is sporadic
  • B The most successful organisms are those that best adapt to their environment
  • C Organs of the body which are not regularly used by an organism will disappear
  • D Any traits acquired by an organism during its lifetime can be passed on its offspring
View Answer & Explanation