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 1201:

  Which of the following is an example of continous variation?

  Options:
  A) Human blood groups
  B) Sex difference in human
  C) Haemoglobin types
  D) Height in humans
  Show Answer
  The correct answer is D .
• Question 1202:

  

  Use the diagram above to answer this question.

  Based on the shape and structure of the beak and feet, the bird represented is likely to feed mainly on

  Options:
  A) flesh
  B) fruits
  C) seeds
  D) nectar
  Show Answer
  The correct answer is A .
• Question 1203: During thunderstorms the energy of lightning discharge causes Options:
  A) oxygen and nitrogen to combine
  B) more carbon dioxide to be formed
  C) nitrites to be converted to nitrates
  D) nitrates to be converted to nitrogen
  E) death
  Show Answer
  The correct answer is A .
• Question 1204: The equation that can be used to summarize the process of anaerobic breakdown of sugar is Options:
  A) C₂H₁₂O₆ 2C₂H₅OH + 2CO₂
  B) 6Co₂ + 6H₂O C₆H₁₂O₆ + 6O₂
  C) C₆H₁₂O₆ + 6O₂ 6CO₂ + 6H₂O + enegy
  D) C₆H₁₂O₆ 2C₂H₅OH + 2CO₂ + energy
  Show Answer
  The correct answer is D .
• Question 1205: In blood transfusion, agglutination occurs when Options:
  A) white blood cells from two individuals meet
  B) two different antibodies meet
  C) two different antigens meet
  D) contrasting antigens and antibodies meet
  Show Answer
  The correct answer is D .
• Question 1206: Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as Options:
  A) Denitrifying bacteria
  B) Nitrifying bacteria
  C) Nitrogen fixing bacteria
  D) Nitrogen freeing bacteria
  E) Nitrogen putrefying bacteria
  Show Answer
  The correct answer is C .
• Question 1207:

  Choose the sequence which represents the correct order of organisms in a food chain

  Options:
  A) Grass, snake, toad, grasshopper, hawk
  B) Grass, grasshopper, toad, snake, hawk
  C) Grass, grasshopper, snake, toad, hawk.
  D) Grass, snake, grasshopper, toad, hawk
  Show Answer
  The correct answer is B .
• Question 1208:

  Which of the following are components of the skeletal system in humans?

  Options:
  A) Cartilage and blood vessels
  B) Ligaments and tendons
  C) Muscles and nerves
  D) Bones and joints
  Show Answer
  The correct answer is D .
• Question 1209: An instrument used in measuring the speed of wind is Options:
  A) a barometer
  B) a wind gauge
  C) a wind vane
  D) an anemometer
  E) a hydrometer
  Show Answer
  The correct answer is D .
• Question 1210: In which of the features do bryophytes differ from pteridophytes? Options:
  A) Absence of flower
  B) Alternation of generation
  C) Dependency on water for reproduction
  D) Presence of vascular system
  Show Answer
  The correct answer is D .