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 241: The vitamin which is important in the formation of the retina pigment is Options:
  A) vitamin A
  B) vitamin B
  C) vitamin C
  D) vitamin D
  Show Answer
  The correct answer is A .
• Question 242:

  Which of the following describes the inheritance of traits from parents to offspring?

  Options:
  A) Adaptation
  B) Evolution
  C) Natural selection
  D) Genetics
  Show Answer
  The correct answer is D .
• Question 243: One of the following causes Ebola fever Options:
  A) Bacteria
  B) Fungi
  C) Protozoa
  D) Viruses
  Show Answer
  The correct answer is D .
• Question 244: The dorsal and anal fins of fish are used for Options:
  A) Upward movement
  B) Controlling rolling
  C) Downward movement
  D) Steering
  E) Buoyancy
  Show Answer
  The correct answer is B .
• Question 245:

  

  Use the diagram above to answer this question.

  Which of the organisms represented are notable agricultural pests?

  Options:
  A) ll and IV
  B) l and IV
  C) ll and lll
  D) l and lll
  Show Answer
  The correct answer is B .
• Question 246: The path followed by air as it passes through the lungs in mammals is Options:
  A) trachea → bronchi → bronchioles → alveoli
  B) bronchi → trachea → alveoli → bronchioles
  C) trachea → bronchioles → alveoli
  D) bronchioles → alveoli → bronchi →trachea
  Show Answer
  The correct answer is A .
• Question 247:

  Viviparity refers to the reproductive strategy in which

  Options:
  A) Offspring are produced by internal fertilization
  B) Offspring are produced by external fertilization
  C) Offspring develop and are nourished inside the female's body
  D) Offspring develop and are nourished outside the female's body
  Show Answer
  The correct answer is C .
• Question 248: The response of plants to external stimuli in a non-directional manner is known as Options:
  A) Tactic movement
  B) Phototropism
  C) Geotropism
  D) Nastic movement
  Show Answer
  The correct answer is D .
• Question 249: An instrument that can be used to demonstrate phototropism and geotropism in plants is the Options:
  A) auxanometer
  B) potometer
  C) klinostat
  D) photometer
  Show Answer
  The correct answer is C .
• Question 250: Epiphytes growing on the branches of trees provide an example of the relationship known as Options:
  A) parasitism
  B) commensalism
  C) saprophytism
  D) holophytism
  Show Answer
  The correct answer is B .