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 1681:

  The greatest amount of energy would be obtained by the Oxidation of 100kg of

  Options:
  A) Meat
  B) Butter
  C) Sugar
  D) Biscuit
  Show Answer
  The correct answer is B .
• Question 1682:

  An ecological instrument used to measure wind direction is?

  Options:
  A) Secchi disc
  B) wind vane
  C) anemometer
  D) slope gauge
  Show Answer
  The correct answer is B .
• Question 1683: Which scenario would cause a covalent bond to form? Options:
  A) Two atoms share electrons so they can fill their outer shells
  B) The constant motion of electrons and the creation of charge imbalances bonds two molecules together
  C) A hydrogen atom with a slight positive charge is attracted to a negative charge of another molecule or atom
  D) One atom loses one or more electrons and the other atom gains one or more electrons
  Show Answer
  The correct answer is A .
• Question 1684: A germinating seed requires oxygen which is essential for Options:
  A) converting carbonhydrate into glucose
  B) Transporting energy from part of the plant to another
  C) The production of energy by oxidising essential carbonhydrate
  D) hydrolysis of protein
  E) The formation of water molecules within the germinating seed
  Show Answer
  The correct answer is C .
• Question 1685: Starting from the skull end the vertebrate are arranged in the following order Options:
  A) axis, atlas, cervical, thoracic and lumber
  B) atls, cervical, axis, thoracic and lumber
  C) atlas, axis, thoracic, cervical and lumber
  D) atlas, axis, cervical, thoracic and lumber
  E) atlas, thoracic, cervical, axis and lumber
  Show Answer
  The correct answer is D .
• Question 1686: The process of soil erosion is usually from Options:
  A) rill → sheet → gully
  B) gully → rill → sheet
  C) sheet → guly → rill
  D) sheet → rill → gully
  E) rill → gully → sheet
  Show Answer
  The correct answer is D .
• Question 1687: Which of the following elements is essential for the formation of haemoglobin? Options:
  A) Sodium
  B) Potassium
  C) Calcium
  D) Iron
  Show Answer
  The correct answer is D .
• Question 1688: The movement of blood between the heart and all other parts of the body besides the lung is known as Options:
  A) systemic circulation
  B) closed circulatory system
  C) pulmonary circulation
  D) single circulation system
  Show Answer
  The correct answer is A .
• Question 1689:

  

  What is the name of the structure labelled 2?

  Options:
  A) Odontoid process
  B) Olecranon process
  C) Patella
  D) Condyle
  Show Answer
  The correct answer is B .
• Question 1690:

  

  In the diagram, the function of the correcting lens is to

  Options:
  A) diverge incoming rays
  B) converge incoming rays
  C) reflect incoming rays
  D) screen incoming rays
  Show Answer
  The correct answer is B .