Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 31:

  The system of classification in which there are seven hierarchies from kingdom to species was introduced by?

  Options:
  A) Felix Dujardin
  B) Carolus Linneus
  C) Theodore Schwann
  D) Charles Darwin
  Show Answer
  The correct answer is B .
• Question 32:

  Tall trees with buttress roots and evergreen leaves are characteristics features of?

  Options:
  A) temperate grass land
  B) Southern Guinea Savanna
  C) tropical rain forests
  D) Northern Guinea savanna
  Show Answer
  The correct answer is C .
• Question 33: Which of the following factors can bring about competition in population? Options:
  A) dispersion
  B) emigration
  C) drought
  D) mortality
  Show Answer
  The correct answer is C .
• Question 34: Which of the following is TRUE of the process of conjugation in paramecium? Options:
  A) Micronucleus disintegrates
  B) Each ex-conjugant divides only once
  C) Macronucleus undergoes division
  D) Each micronucleus divides twice
  Show Answer
  The correct answer is D .
• Question 35: If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome Options:
  A) X
  B) XY
  C) XX
  D) YY
  E) Y
  Show Answer
  The correct answer is A .
• Question 36:

  Which of the following organs can be considered vestigial in humans but functional in other mammals

  Options:
  A) The liver
  B) Appendix
  C) Rectum
  D) Stomach
  Show Answer
  The correct answer is B .
• Question 37: Which of the following characters is NOT sex-linked? Options:
  A) River blindness
  B) Baldness
  C) Haemophilia
  D) Colour blindness
  Show Answer
  The correct answer is A .
• Question 38:

  Deamination occurs in the?

   

  Options:
  A) Kidney
  B) Pancreas
  C) Spleen
  D) Liver
  Show Answer
  The correct answer is D .
• Question 39: A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller? Options:
  A) 100%
  B) 75%
  C) 50%
  D) 25%
  Show Answer
  The correct answer is C .
• Question 40: The Southern Guinea Savanna differs from the Northern Guinea Savanna in that it has Options:
  A) lower rainfall and shorter grasses
  B) less grasses and scattered trees
  C) more rainfall and taller grasses
  D) less arboreal and burrowing animals
  Show Answer
  The correct answer is C .