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 101: Adaptive radiation is illustrated in Options:
  A) modified insect mouthparts
  B) dentition in mammals
  C) wings in birds and bats
  D) appendages in insects
  Show Answer
  The correct answer is A .
• Question 102:

  

  Use the diagram to answer the question. The breeding posture illustrated in the diagram is known as

  Options:
  A) mating
  B) amplexus
  C) courtship display
  D) reproductive swimming
  Show Answer
  The correct answer is B .
• Question 103: An increase in air pressure in the lungs is due to the Options:
  A) increase in the volume of the thoracic cavity
  B) upward movement of he ribs
  C) relaxation of the diaphragm
  D) contraction of the intercostal musles
  Show Answer
  The correct answer is C .
• Question 104: The photosynthetic pigments include Options:
  A) chlorophll and carotenoids
  B) chloroplasts and cytochromes
  C) melanin and haemoglobin
  D) carotenoids and haemoglobin
  Show Answer
  The correct answer is A .
• Question 105: A unique characteristics of the cervical vertebrate is the presence of Options:
  A) large centrum
  B) long transverse processes
  C) zgapophysis
  D) vertebrartarial canal
  Show Answer
  The correct answer is D .
• Question 106: A step in the movement of energy through an ecosystem is a description that best fits the term Options:
  A) food chain
  B) trophic level
  C) pyramid of numbers
  D) food web
  Show Answer
  The correct answer is B .
• Question 107: A limited factor in a plant population near a chemical factory is likely to be Options:
  A) Light
  B) Humidity
  C) wind
  D) pH
  Show Answer
  The correct answer is D .
• Question 108: A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following Options:
  A) Ecosystem
  B) Food chain
  C) Food web
  D) Succession
  E) Community
  Show Answer
  The correct answer is D .
• Question 109: A food substance which produces red colouration with Sudan III contain Options:
  A) protein
  B) sugar
  C) starch
  D) cellulose
  E) fat
  Show Answer
  The correct answer is E .
• Question 110:

  Which of the following is evidence of evolution?

  Options:
  A) All of the above.
  B) Similarities in embryonic development
  C) Fossils of extinct organisms
  D) Homologous structures in different species
  Show Answer
  The correct answer is A .