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:

  What is the primary function of the liver in the human body?

  Options:
  A) Regulation of body temperature
  B) Regulation of blood pressure
  C) Production of hormones
  D) Detoxification and metabolism of nutrients and drugs
  Show Answer
  The correct answer is D .
• Question 42: The hereditary materials of the cell is Options:
  A) the R N A
  B) protein
  C) the D N A
  D) carbohydrate
  Show Answer
  The correct answer is C .
• Question 43: Which of the following animals is cold blooded Options:
  A) Cat
  B) Lizard
  C) Whale
  D) Bird
  E) Horse
  Show Answer
  The correct answer is B .
• Question 44: When the solute concentration of the cell and its surrounding medium are the same, the solution is said to be Options:
  A) hypertonic
  B) hypotonic
  C) isotonic
  D) acidic
  Show Answer
  The correct answer is C .
• Question 45: I. High birth rate and high immigration rate II. Low birth rate and high immigration rate II. Low mortality rate and low emigration IV. High mortality rate and high emigration rate. Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements? Options:
  A) II and III
  B) I and III
  C) I and IV
  D) I and II
  Show Answer
  The correct answer is B .
• Question 46: Which of the following causes pollution? Options:
  A) Consumption of canned drink
  B) The addition of fertilizer to farmland
  C) Respiration of living organism
  D) Burning of refuse
  Show Answer
  The correct answer is D .
• Question 47: Which of the following is one of Lamarck's theories? Options:
  A) Some variations are more favourable to existence in a given environment than others
  B) All living organisms are constantly involved in a struggle to existence
  C) The size of a given population remains fairly constant
  D) New species originates through the inheritance of acquired traits
  Show Answer
  The correct answer is D .
• Question 48: One of the following is called emergency hormone in man. Options:
  A) Adrenalin
  B) Prolactin
  C) Testosterone
  D) Thyroxine
  Show Answer
  The correct answer is A .
• Question 49: Lungs hooks are used for respiration in Options:
  A) spiders
  B) insects
  C) millipedes
  D) snails
  Show Answer
  The correct answer is A .
• Question 50: One cubic centimeter of lymph is richer than an equal volume of blood in Options:
  A) erythrocytes
  B) leucocytes
  C) amino acid
  D) glucose
  Show Answer
  The correct answer is B .