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 of the following is true of the children of a heamophilic man who marries a woman that is not haemophilic and does not carry the trait? Options:
  A) All their sons will be haemophlic
  B) all their daughters will be haemophilic
  C) All their daughters will be carriers
  D) all their sons will be carriers
  Show Answer
  The correct answer is C .
• Question 12: A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the Options:
  A) vivparous mode of reproduction
  B) possession of paired limbs
  C) terrestrial mode of life
  D) possession of a heart
  Show Answer
  The correct answer is A .
• Question 13:

  I. Rattusrattus. Il. Agama agama III. Bufo regularis IV. Tilapiazillii
  The order of evolutionary advancement of the above vertebrates is?

  Options:
  A) I, II, III, IV
  B) I, IV, III, II
  C) II, III, IV, I
  D) IV, III, II, I
  Show Answer
  The correct answer is D .
• Question 14: A feature of the caste system of bees and termites ia that Options:
  A) the workers are sterile
  B) the kings are bigger than the queens
  C) only the worker perform duties
  D) nuptial flight is performed by all members
  Show Answer
  The correct answer is A .
• Question 15:

  

  In the diagram, the type of adaptation shown in the larva is

  Options:
  A) mimicry
  B) countershading
  C) flash colaration
  D) cisruptive colaration
  Show Answer
  The correct answer is D .
• Question 16:

  

  From the diagram above the structure labelled I originates from the

  Options:
  A) liver
  B) kidney
  C) small intestine
  D) stomach
  Show Answer
  The correct answer is B .
• Question 17: Grasses recover quickly from bush fires in the savanna because of their Options:
  A) perennating organs
  B) rapid growth rate
  C) fibrous roots
  D) succulent stems
  Show Answer
  The correct answer is C .
• Question 18:

  

  The parts which function together to bring about hearing are labelled

  Options:
  A) IV, V and VI
  B) I, II, IV and VI
  C) I, II, III and IV
  D) I, II and IV
  Show Answer
  The correct answer is C .
• Question 19: In the mammalian respiratory system, exchange of gases occurs in the Options:
  A) lungs
  B) bronchi
  C) bronchioles
  D) alveoli
  Show Answer
  The correct answer is D .
• Question 20: The flame cells are used for excretion in Options:
  A) Fluke
  B) Nematode
  C) Bacteria
  D) Volvox
  Show Answer
  The correct answer is A .