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Sunday, 16 August 2026
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Biology Past Questions and Answers

Topic: Variation In Population

Jamb Biology Questions - Variation In Population

Question 31:
In a population of living things, the parameters of size, height, weight and colour are examples of
  • A Discontinuous variation
  • B Continuous variation
  • C Physiological variation
  • D Non-heritable variation
View Answer & Explanation
Question 32:
The first four children of a couple were all girls. The probability that the fifth will also be a girl is
  • A 1/5
  • B 1/4
  • C 1/3
  • D 1/2
View Answer & Explanation
Question 33:
Genetic counselling is important when a marriage is planned between a
  • A Rh<sup style='font-size: smaller;'>-</sup> woman and Rh<sup style='font-size: smaller;'> man+</sup>
  • B Rh<sup style='font-size: smaller;'>-</sup> woman and Rh<sup style='font-size: smaller;'>-</sup> man
  • C Rh<sup style='font-size: smaller;'>+</sup> woman and Rh<sup style='font-size: smaller;'>+</sup> man
  • D Rh<sup style='font-size: smaller;'>+</sup> woman and Rh<sup style='font-size: smaller;'>-</sup> man
View Answer & Explanation
Question 34:
Paternity dispute can most accurately be resolved through the use of
  • A Finger printing
  • B Blood group typing
  • C DNA analysis
  • D Tongue-rolling
View Answer & Explanation
Question 35:
One advantage of variation in a species population is that individuals
  • A With favoured traits become dominant
  • B Easily reach their reproductive age
  • C Are easily recognised by mates
  • D Are better adapted to changes
View Answer & Explanation