Search SchoolNGR

Friday, 12 June 2026
Register . Login

Biology Past Questions and Answers

Waec Biology Questions

Question 241:
The changing of colour by a chameleon to that of the environment is an example of
  • A Adaptive radiation
  • B Protective coloration
  • C Courtship display
  • D Display of body colour
  • E Territorial behaviour
View Answer & Explanation
Question 242:
The division of labour in social insects is an example of
  • A Structural adaptation
  • B Physiological adaptation
  • C Commensalism
  • D Behavioural adaptation
  • E Hormonal influence
View Answer & Explanation
Question 243:
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by
  • A Migratory birds
  • B Pigeons
  • C Crickets
  • D Winged termites
  • E Bees
View Answer & Explanation
Question 244:
Lamarck's evolution theory could be summarised by the statement that
  • A Only the fittest can survive in a challenging environment
  • B Species that are unable to adapt become extinct
  • C New characteristics do not arise in organisms in time of need
  • D The changing environment imposes structural physiological and behavioural changes in organisms
  • E In a changing and unstable environment nature rejects the weak
View Answer & Explanation
Question 245:
The property of clay soil that prevents it from supporting thick vegetation is its
  • A Possession of chemically weathered granite rocks
  • B Inability to retain much water
  • C Tendency of becoming waterlogged
  • D Porosity and low water retention ability
  • E High capillary spaces between the soil particles
View Answer & Explanation