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Biology Past Questions and Answers

Waec Biology Questions

Question 621:
The genotypic ratio of 1 : 2 : 1 in the offspring of a hybrid cross illustrates the law of
  • A Use and disuse
  • B Dominance
  • C Segregation
  • D Linkage
View Answer & Explanation
Question 622:
Which of the following scientists was involved with organic evolution?
  • A Mendel
  • B Larmarck
  • C Morgan
  • D Pasteur
View Answer & Explanation
Question 623:
Which of the following traits may not be important in marriage counselling
  • A Sex-determination
  • B Sickle-cell anaemia
  • C Rhesus factor
  • D Colour of skin
View Answer & Explanation
Question 624:
In fishes, the brooders return to their parents mouth for
  • A Feeding
  • B Respiration
  • C Breeding
  • D Protection
View Answer & Explanation
Question 625:
According to Charles Darwin’s Theory of Evolution, natural selection involves the survival of the
  • A Weakest
  • B Most populous
  • C Youngest
  • D Fittest
View Answer & Explanation