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 1921: Which of the following pairs are social insects? Options:
  A) Termite and locust
  B) Ants and wap
  C) Cockroach and bee
  D) Termite and bee
  Show Answer
  The correct answer is D .
• Question 1922: 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 1923:

  

  The part labelled IV is the

  Options:
  A) albumen
  B) germinal disc
  C) yolk
  D) air space
  Show Answer
  The correct answer is B .
• Question 1924: The addition of lime to clayed soil serves to Options:
  A) aid water retention
  B) close up the texture
  C) prevent water logging
  D) improve capillary action
  Show Answer
  The correct answer is D .
• Question 1925: Which of the following diseases is NOT caused by a virus? Options:
  A) Rinderpest
  B) Maize rust
  C) Newcastle diseases
  D) Swine fever
  E) Cassava mosaic diseases
  Show Answer
  The correct answer is B .
• Question 1926: Which of following movements occur during exhalation? Options:
  A) The diaphragm and intercostal muscles relax
  B) The thoracic cavity increases in volume
  C) The diaphragm and intercostal muscles contract
  D) The diaphragm contracts and the intercostal muscle relax
  Show Answer
  The correct answer is A .
• Question 1927:

  A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contracted

  Options:
  A) schistosomiasis
  B) onchocerciasis
  C) poliomyelitis
  D) salmonellosis
  Show Answer
  The correct answer is A .
• Question 1928: The vilius in the small intestine is significant because it Options:
  A) increase the surface area for absorption
  B) increase 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 1929: Which of the following is an example of discontinuous variation observed in man? Options:
  A) Skin colours
  B) Tongue rolling
  C) Body weight
  D) Height
  Show Answer
  The correct answer is B .
• Question 1930: Which of the following is not a characteristics of snail? Options:
  A) Bilateral symmetry
  B) Chitinous exoskeleton
  C) Muscular foot
  D) soft unsegmented body in mantle
  Show Answer
  The correct answer is B .