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: Euglene is an autotrophic organism because it Options:
  A) has flagella
  B) has plant and animal features
  C) is found in water
  D) can manufacture its food
  E) move fast
  Show Answer
  The correct answer is D .
• Question 12:

  The temporary union of two organisms and the exchange of micronuclear elements is called

  Options:
  A) Conjugation
  B) Binary fusion
  C) Extrapolation
  D) Interexchange
  Show Answer
  The correct answer is A .
• Question 13: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is Options:
  A) temperature
  B) competition
  C) pH
  D) light
  Show Answer
  The correct answer is B .
• Question 14: In mammals, the exchange of nutrients and metabolic products occurs in the Options:
  A) lungs
  B) oesophagus
  C) trachea
  D) lymph
  Show Answer
  The correct answer is D .
• Question 15: If a nursing mother is not producing enough milk, her hormonal system is probably deficient in Options:
  A) prolactin
  B) testosterone
  C) thyroxin
  D) insulin
  Show Answer
  The correct answer is A .
• Question 16:

  For growth to occur in organisms, the rate of

  Options:
  A) anabolism must exceed that of catabolism
  B) catabolism must exceed that of anabolism
  C) food storage must be low
  D) food storage must be high
  Show Answer
  The correct answer is A .
• Question 17: 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 18: A characteristic that can possibly be shared by both living and non living organisms is Options:
  A) locomotion
  B) irritability
  C) increase in biomass
  D) increase in size
  Show Answer
  The correct answer is C .
• Question 19: Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air Options:
  A) 4, 3, 2, 1
  B) 4, 3, 1, 2
  C) 3, 1, 4, 2
  D) 1, 2, 3, 4
  E) 3, 1, 2, 4
  Show Answer
  The correct answer is B .
• Question 20: Which of the following will not allow osmosis to take place Options:
  A) pig's bladder
  B) cellophane
  C) parchment paper
  D) transparent polythene
  E) cow's bladder
  Show Answer
  The correct answer is D .