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 41: The anaerobic fermentation of a glucose molecule yields Options:
  A) 38 ATP molecules
  B) 2 ATP molecules and alcohol
  C) pyruvic acid and alcohol
  D) water and carbon (IV) oxide
  Show Answer
  The correct answer is B .
• Question 42:

  The part of the ear which contains nerve cells sensitive to sound vibrations is the

  Options:
  A) cochlea
  B) ampulla
  C) tympanum
  D) malleus
  Show Answer
  The correct answer is A .
• Question 43:

  Which of the following options best describes adaptation for survival in organisms?

  Options:
  A) Adaptation is the inherited trait that increases an organism's chances of survival and reproduction in its environment
  B) Adaptation is the process by which organisms acquire new characteristics during their lifetime
  C) Adaptation refers to the ability of an organism to change its environment to better suit its needs
  D) Adaptation involves the development of new traits in response to changes in the environment
  Show Answer
  The correct answer is A .
• Question 44: The maize grain is regarded as a fruit and not a seed because Options:
  A) it has a coleorhiza
  B) it has a coleoptile
  C) of the relatively large endosperm
  D) there is the remain of a style
  E) of the relatively small scutellum
  Show Answer
  The correct answer is D .
• Question 45: The manufacture of carbohydrates by plants takes place only in Options:
  A) the leaves
  B) the green stems
  C) chlorophyllous parts
  D) flowering plants
  Show Answer
  The correct answer is C .
• Question 46: An instrument used in measuring the speed of wind is Options:
  A) a barometer
  B) a wind gauge
  C) a wind vane
  D) an anemometer
  E) a hydrometer
  Show Answer
  The correct answer is D .
• Question 47: Oxygen from the atmosphere reaches the mammalian blood stream through one of the path indicated below. Indicate the correct path, a = mouth, b = trachea, c = bronchiole, d = nostril, e = bronchus, f = alveoli Options:
  A) a → b → e → f → d
  B) b → d → f → e → c
  C) d → b → e → c → f
  D) b → a → f → e → c
  E) f → e → c → d → c
  Show Answer
  The correct answer is C .
• Question 48:

  Floating microscopic heterotrophs are mostly grouped as

  Options:
  A) phytoplankton
  B) zooplankton
  C) microbes
  D) nekton
  Show Answer
  The correct answer is B .
• Question 49: Germination which results in the cotyledons being brought above ground is called Options:
  A) hypocotyl
  B) epicotyl
  C) epigeal
  D) hypogeal
  E) plumule
  Show Answer
  The correct answer is C .
• Question 50:

  Which of the following is true in blood transfusion?

  Options:
  A) A person of blood group AB can donate blood only to another person of blood group AB
  B) Persons of blood groups A and B can donate or receive blood from each other
  C) A person of blood group AB can receive blood only from persons of blood group A or B
  D) A person of blood group O can donate only to a person of blood group O
  Show Answer
  The correct answer is A .