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 881: The following are examples of air borne diseases, except Options:
  A) Chicken pox
  B) Cholera
  C) common cold
  D) Whooping cough
  Show Answer
  The correct answer is B .
• Question 882: When oil is poured into the breeding site of mosquitoes, it Options:
  A) deprives the larvae of water
  B) kills the adults
  C) suffocates the pupae
  D) slows doen egg development
  Show Answer
  The correct answer is C .
• Question 883: The construction of dams may lead to an increase in the prevalence of Options:
  A) typhoid fever, measles and yellow fever
  B) tuberculosis, leprosy and trypanosomiasis
  C) guinea worm, malaria and tuberculosis
  D) malaria, bilharziasis and onchocerciasis
  Show Answer
  The correct answer is D .
• Question 884: In a saprophyte, sex organs are produced in the Options:
  A) Gamotrophyte
  B) Rhizoid
  C) Protonema
  D) Sporopyte
  Show Answer
  The correct answer is C .
• Question 885: I. High birth rate and high immigration rate II. Low birth rate and high immigration rate II. Low mortality rate and low emigration IV. High mortality rate and high emigration rate. Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements? Options:
  A) II and III
  B) I and III
  C) I and IV
  D) I and II
  Show Answer
  The correct answer is B .
• Question 886:

  Which of the following is most advanced in the evolutionary trend of animals?

  Options:
  A) Liverfluke
  B) Earthworm
  C) Snail
  D) Cockroach
  Show Answer
  The correct answer is D .
• Question 887:

  Which of the following factors primarily affects the distribution of organisms in an ecosystem

  Options:
  A) Wind speed
  B) Soil pH
  C) Temperature
  D) Day length
  Show Answer
  The correct answer is C .
• Question 888: Refrigeration, as a method of preservation, has ONE of the following characteristics: Options:
  A) Kills all the bacteria
  B) Kill most of the bacteria
  C) Makes the bacteria inactive
  D) Dries food
  E) Hydrolyses food
  Show Answer
  The correct answer is C .
• Question 889: In a dicot leaf, guard cells differ from other epidermal cells because they Options:
  A) have no definite shape
  B) lack nuclei
  C) are smaller
  D) contain chloroplast
  E) lack vacuole
  Show Answer
  The correct answer is D .
• Question 890:

  

  In the diagram, the organs for attachments to the lining of the host's intestine are labelled

  Options:
  A) ii and iii
  B) iii and iv
  C) i and ii
  D) i and iii
  Show Answer
  The correct answer is A .