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 11:

  

  Which organism in the pyramid functions as a tertiary consumer?

  Options:
  A) Algea
  B) Shark
  C) Tadpole
  D) Tilapia
  Show Answer
  The correct answer is B .
• Question 12: Agglutination is the _______ of the ________ Options:
  A) coagulation, white bloodcell
  B) coagulation, water
  C) white blood cells, red blood cell
  D) coagulation, red blood cell
  Show Answer
  The correct answer is D .
• Question 13: Carbon (IV) oxide content of the atmosphere is least affected by Options:
  A) cutting down and clearing of forests
  B) forest fires
  C) burning of fossil fuels
  D) plant and animal respiration
  Show Answer
  The correct answer is A .
• Question 14:

  

  Which of the following is the correct order of the developmental stages?

  Options:
  A) 1->2->3->4->5
  B) 5->1->3->2->4
  C) 2->1->3->4->5
  D) 5->3->2->1->4
  Show Answer
  The correct answer is D .
• Question 15:
  

  From the diagram above the optimal temperature for breeding cockroaches is

  Options:
  A) 15^oC
  B) 19^oC
  C) 24^oC
  D) 33^oC
  Show Answer
  The correct answer is C .
• Question 16:

  Which of the following is an example of a behavioral adaptation for survival in animals?

  Options:
  A) Sharp teeth
  B) Migration
  C) Wings
  D) Camouflage
  Show Answer
  The correct answer is B .
• Question 17: When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to Options:
  A) group O only
  B) group A only
  C) group AB only
  D) groups A and O
  E) groups AB and O
  Show Answer
  The correct answer is A .
• Question 18: The main function of blood in mammals is to transport Options:
  A) excretory materials from tissues
  B) carbondioxide from lungs to tissues
  C) digested food from all the body tissues
  D) oxygen to the lungs
  Show Answer
  The correct answer is A .
• Question 19:

  

  In the diagram, the species whose distribution is not affected by rainfall is

  Options:
  A) ii
  B) iv
  C) i
  D) iii
  Show Answer
  The correct answer is A .
• Question 20: Growing yam tendrils climb for support. This growth response is Options:
  A) haptotropism
  B) geotropism
  C) phototropism
  D) hydrotropism
  E) chemotropism
  Show Answer
  The correct answer is A .