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: Which of the following lists of diseases, their causes and transmission is CORRECT? Options:
  A) Cholera, virus, severe diarrhoea, infected water
  B) Malaria, protozoan, high fever, contact with infected person
  C) Syphilis, virus, veneral disease, sexual intercourse
  D) small pox, virus, skin with blister, close contact with infected person
  E) Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite
  Show Answer
  The correct answer is D .
• Question 2:

  The villus in the small intestine is significant because

  Options:
  A) Increases the surface area for absorption
  B) increases the surface area for digestion
  C) assists in mixing digested food
  D) assists in filtering undigested food
  Show Answer
  The correct answer is A .
• Question 3: The gas produced during tissue respiration can be identified by using Options:
  A) calcium hydroxide
  B) copper sulphate
  C) calcium carbonate
  D) sodium hydroxide
  Show Answer
  The correct answer is A .
• Question 4:
  

  The female gamete is represented by

  Options:
  A) I
  B) II
  C) III
  D) Iv
  Show Answer
  The correct answer is C .
• Question 5: The bright coloured eye spots on the wings of moth are an example of Options:
  A) warning colouration
  B) disruptive colouration
  C) crypsis
  D) mimicry
  Show Answer
  The correct answer is D .
• Question 6: Which of the following instruments is used to measure wind speed? Options:
  A) Thermometer
  B) Barometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is D .
• Question 7: Deoxygenation blood flows into the right and left lungs through the Options:
  A) pulmonary vein
  B) vena cava
  C) pulmonary artery
  D) subclavian vein
  Show Answer
  The correct answer is C .
• Question 8: The flame cells are used for excretion in Options:
  A) Fluke
  B) Nematode
  C) Bacteria
  D) Volvox
  Show Answer
  The correct answer is A .
• Question 9: A tapeworm has no alimentary canal because Options:
  A) It is autotrophic
  B) It does not feed
  C) It has no enzymes
  D) Its body absorbs digested food
  E) The suckers on the scolex suck blood
  Show Answer
  The correct answer is D .
• Question 10:

  The change in the genetic make up of an organism resulting in an inheritable characteristics which is new is

  Options:
  A) Mutation
  B) Locus
  C) Hybrid
  D) Diploid
  Show Answer
  The correct answer is A .