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 1771:

  

  In the diagram, the variation illustration is

  Options:
  A) discontinuous
  B) morphological
  C) physiological
  D) biochemical
  Show Answer
  The correct answer is B .
• Question 1772: Which of the following is likely to encourage inbreeding in plants? Options:
  A) Dioecious
  B) Protandrous
  C) Monoecious
  D) Hermaphrodite
  Show Answer
  The correct answer is C .
• Question 1773: Which of the following vertebrae lacks a centrum? Options:
  A) Atlas
  B) Axis
  C) Thoracic
  D) Lumbar
  Show Answer
  The correct answer is A .
• Question 1774: The relationship between a termite and the protozoam in its intestine is described as Options:
  A) predation
  B) saproplytism
  C) symbiosis
  D) parasitism
  Show Answer
  The correct answer is C .
• Question 1775: A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is Options:
  A) Protein
  B) Oil
  C) Carbohydrates
  D) Fat
  E) Fatty acid
  Show Answer
  The correct answer is A .
• Question 1776:

  Sources of air pollutants are

  Options:
  A) industrial chimneys, burning fossil oils and river dams
  B) sulphurdioxide, acid rain and pesticides
  C) sulphur dioxide, vehicle exhausts, and aerosols
  D) sewage,smoke and old vehicles
  Show Answer
  The correct answer is C .
• Question 1777: Which of the following types of vertebrae occur in equal numbers in the rabbit, rat and man? Options:
  A) Caudal
  B) Thoracic
  C) Lumber
  D) Cervical
  E) Sacral
  Show Answer
  The correct answer is D .
• Question 1778: Which of the vertebra has a projection called odontoid process? Options:
  A) Atlas
  B) Axis
  C) Thoracic
  D) Lumber
  E) Caudal
  Show Answer
  The correct answer is B .
• Question 1779: Example of water-borne and sex linked diseases are Options:
  A) taeniasis and malaria
  B) cholera and gonorrhoea
  C) typhoid and syphilis
  D) dracunculiasis and haemophilia
  Show Answer
  The correct answer is D .
• Question 1780: Most cells in higher animals retain their power of division EXCEPT Options:
  A) lymphocytes
  B) nerve cells
  C) malpighian cells
  D) germ cells
  Show Answer
  The correct answer is B .