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 1: The disaster that would have the least destructive impact on animal life and balance in nature is Options:
  A) chemical pollution
  B) forest fires
  C) oil spillage
  D) grasshopper pests
  Show Answer
  The correct answer is D .
• Question 2: Anaerobic respiration differs from aerobic respiration by the production of Options:
  A) less amount of energy and water
  B) greater amount of energy and alcohol
  C) less amount of energy and alcohol
  D) greater amount of energy and water
  Show Answer
  The correct answer is C .
• Question 3:

  

  An economic importance of the organism represented by IV is that

  Options:
  A) it transmit water borne disease to humans
  B) it is distructive to farm crops
  C) its faeces pollutes drinkng water
  D) it helps in the control of mosquito larvae
  Show Answer
  The correct answer is B .
• Question 4: 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 5: Which of the following is likely to occur in a deciduous forest during the dry season? Options:
  A) New leaves are formed
  B) The trees die off
  C) The undergrowth increases
  D) The ground becomes bare
  Show Answer
  The correct answer is D .
• Question 6: A person with type O blood can donate to a patient with type A because the donor's blood Options:
  A) lacks antigens
  B) lacks anti-A antibodies
  C) lacks anti-B antibodies
  D) has both anti-A and anti-B antibodies
  Show Answer
  The correct answer is A .
• Question 7: The prothallus of fern is equivalent to the gametophyte generation of moss because it Options:
  A) is inconspicuous
  B) has rhizoids
  C) bears sexual organ
  D) is multicellular
  Show Answer
  The correct answer is C .
• Question 8: The most reliable estimate of growth is by measuring changes in Options:
  A) length
  B) volume
  C) surface area
  D) dry weight
  Show Answer
  The correct answer is D .
• Question 9: The primary consumer in the food chain below is ................Green plants → Grasshopper → Lizard → Snake → Hawk Options:
  A) Grass hopper
  B) green plants
  C) hawk
  D) lizard
  Show Answer
  The correct answer is A .
• Question 10: An example of a parasitic protozoan is Options:
  A) Paramecium
  B) Plasmodium
  C) Eughlena
  D) Chlamydomonas
  Show Answer
  The correct answer is B .