Search SchoolNGR

Thursday, 02 April 2026
Register . Login

Biology Past Questions and Answers

Waec Biology Questions

Question 51:
The evidence for evolution can be obtained from the following except
  • A Fossil
  • B Anatomy
  • C History
  • D Embryology
  • E Taxonomy.
View Answer & Explanation
Question 52:
The similarity between the bone structure of the arm of a human and the fore-limb of a
rabbit indicates
  • A Adaptive radiation
  • B Continuous variation
  • C A common origin
  • D Convergent evolution
  • E Adaptation to the same environment
View Answer & Explanation
Question 53:
What phenomenon in ecosystem does the diagram illustrate?
  • A Pyramid of numbers
  • B Food web among organisms
  • C Pyramid of energy
  • D Pyramid of biomass
  • E Evolutionary trend in organisms
View Answer & Explanation
Question 54:
Which of the following effects would desertification have on the
ecological balance represented in the diagram above? The calorific
value' of the energy
  • A . 10 x 104k cal obtained from the sun would decrease
  • B 10 x 104k cal obtained from the sun would increase
  • C 6 x 104k cal obtained at level I would increase
  • D 1 x 104k cal obtained at level V would increase
  • E 3.5x 104k cal obtained at level II would increase
View Answer & Explanation
Question 55:
One of the methods of preventing measles is by
  • A Sleeping under mosquito net
  • B Attacking the vectors
  • C Attacking the secondary host
  • D Vaccinating young children
  • E Providing clean water supply
View Answer & Explanation