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 flippers of a whale and the fins of a fish are examples of Options:
  A) divergent evolution
  B) coevolution
  C) continous variation
  D) convergent evolution
  Show Answer
  The correct answer is D .
• Question 2:

  Which of the following statements best describes courtship behaviors in animals?

  Options:
  A) Courtship behaviors are solely performed by males to establish dominance within a social group
  B) Courtship behaviors involve displays and rituals performed by both males and females to attract a mate
  C) Courtship behaviors are primarily performed by females to attract males for mating
  D) Courtship behaviors are aggressive interactions between males competing for a female mate
  Show Answer
  The correct answer is B .
• Question 3:

  

  Which of the following features can be used to identify the figure above?

  Options:
  A) Position of 7
  B) its circular nature
  C) Number of 5
  D) Presence of 3
  E) width of 2
  Show Answer
  The correct answer is A .
• Question 4:

  

  Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

  Options:
  A) transportation
  B) water culture
  C) diffusion
  D) osmosis
  Show Answer
  The correct answer is D .
• Question 5:

  

  From the diagram above, The bile is stored in the part labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is B .
• Question 6: In the honey bee colony, the drones are Options:
  A) sterile males with reduced mouth parts
  B) sterile males with well-developed mouth parts
  C) fertile males with reduced mouth parts
  D) fertile males with well-developed mouth parts
  Show Answer
  The correct answer is D .
• Question 7:

  

  The part labelled I and II constitute the

  Options:
  A) Crown
  B) neck
  C) root
  D) gum
  Show Answer
  The correct answer is A .
• Question 8: Which of the following can cause shrinkage of living cells? Options:
  A) Hypotonic solution
  B) Isotonic solution
  C) Deionized water
  D) Hypertonic solution
  Show Answer
  The correct answer is D .
• Question 9: In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the Options:
  A) the primary consumer has more energy than the primary poducer
  B) secondary consumer takes up all the energy contents of the primary consumer
  C) energy is shared equally between the three groups of organism
  D) secondary consumer gets only a small portion of the energy contained in the primary producer
  Show Answer
  The correct answer is D .
• Question 10: Sex - linked genes are located on Options:
  A) Y - chromosomes
  B) X - and Y - chromosomes
  C) homologous chromosome
  D) X - chromosome
  Show Answer
  The correct answer is B .