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 111: When the mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to black-red. This indicates the presence of Options:
  A) reducing sugar
  B) fatty acid
  C) sucrose
  D) amino acid
  Show Answer
  The correct answer is A .
• Question 112: Which of the structure listed below is peculiar to the axis vertebra? Options:
  A) Odontoid process
  B) Anterior zygapophysis
  C) Posterior zygapophysis
  D) Lateral spine
  E) Centrum
  Show Answer
  The correct answer is A .
• Question 113: During blood transfusion, agglutination may occur as a result of the reaction between Options:
  A) contrasting antigens and antibodies
  B) two different antigens
  C) two different antibodies
  D) similar antigens and antibodies
  Show Answer
  The correct answer is A .
• Question 114:

  Which of the following statements best describes courtship behaviors in animals?

  Options:
  A) Courtship behaviors are solely performed by males to establish dominance within a social group
  B) Courtship behaviors involve displays and rituals performed by both males and females to attract a mate
  C) Courtship behaviors are primarily performed by females to attract males for mating
  D) Courtship behaviors are aggressive interactions between males competing for a female mate
  Show Answer
  The correct answer is B .
• Question 115: Strong short and concical beak to pick and crush seeds is an adaptive feature of Options:
  A) duck
  B) owl
  C) weaver bird
  D) hawk
  Show Answer
  The correct answer is C .
• Question 116: An association between bacteria and root nodules of legume is called Options:
  A) Commercialism
  B) mutualism
  C) parasitism
  D) saprophytism
  Show Answer
  The correct answer is B .
• Question 117:

  

  The diagram is the transverse section of a

  Options:
  A) monocotyledonous stem
  B) dicotyledonous stem
  C) monocotyledonous root
  D) dicotyledonous root
  Show Answer
  The correct answer is D .
• Question 118: A surprising fact about sickle cell disease is that it Options:
  A) affects only black people
  B) kills the patient
  C) is hereditary
  D) affects blood cells
  E) weakens the patient
  Show Answer
  The correct answer is C .
• Question 119: The manufacture of carbohydrates by plants takes place only in Options:
  A) the leaves
  B) the green stems
  C) chlorophyllous parts
  D) flowering plants
  Show Answer
  The correct answer is C .
• Question 120: In which of the following Nigeria states can montane vegetation be found? Options:
  A) Taraba
  B) Enugu
  C) Bauchi
  D) Plateau
  Show Answer
  The correct answer is A .