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 81:

  Conversion of atmosphere carbon into chemical bond energy occurs during the process of?

  Options:
  A) transpiration
  B) photosynthesis
  C) digestion
  D) respiration
  Show Answer
  The correct answer is B .
• Question 82: A surprising fact about sickle cell disease is that it Options:
  A) affects only black people
  B) kills the patient
  C) is hereditary
  D) affects blood cells
  E) weakens the patient
  Show Answer
  The correct answer is C .
• Question 83: Which of the following is true of climax community? Options:
  A) it persists until the enviroment or climate changes
  B) it changes drastically from one year to the next
  C) it is first stage in succession
  D) It is made up of the tallest trees and the smallest
  Show Answer
  The correct answer is A .
• Question 84: Which of the following instruments is used for determining turbidity of water? Options:
  A) Thermometer
  B) secchi disc
  C) rain guage
  D) Hydrometer
  E) Wind vane
  Show Answer
  The correct answer is B .
• Question 85:

  A population is best described as

  Options:
  A) A group of the same species of organisms living together
  B) A group of animals and plants living together
  C) A group of insects and grasses
  D) Different species of wild animals
  Show Answer
  The correct answer is A .
• Question 86:

  The basis of growth involves the following processes except

  Options:
  A) Cell reduction
  B) Cell division
  C) Cell enlargement
  D) Cell differentiation
  Show Answer
  The correct answer is A .
• Question 87: The following are ductless glands except Options:
  A) adrenal
  B) pancreatic
  C) parathyroid
  D) salivary
  Show Answer
  The correct answer is D .
• Question 88: Groundnut is not really a 'nut' in the biological sense because Options:
  A) it is harvested from inside the ground
  B) pericarp is not hard and tough
  C) the fruit is not as hard as coconut
  D) the fruit is not succulent
  E) it is an achene
  Show Answer
  The correct answer is B .
• Question 89:

  Which of the following is the primary organ involved in gas exchange during respiration in humans?

  Options:
  A) Diaphragm
  B) Bronchi
  C) Lungs
  D) Trachea
  Show Answer
  The correct answer is C .
• Question 90: Complex social behaviour and organization are found mostly in Options:
  A) insects
  B) birds
  C) reptiles
  D) mammals
  Show Answer
  The correct answer is D .