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 541: Which of the following relates to edaphic factors? Options:
  A) The structure of the earth's surface
  B) The influence of living organisms on each other
  C) Temperature, rainfall and humidity
  D) The influence of soils on plant and animals
  Show Answer
  The correct answer is D .
• Question 542: Which of the following can cause shrinkage of living cells? Options:
  A) Deionized water
  B) Hypotonic solution
  C) Isotonic solution
  D) Hypertonic solution
  Show Answer
  The correct answer is D .
• Question 543: The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of Options:
  A) thick skin
  B) pentadactyl limb
  C) tail
  D) epidermal structure
  Show Answer
  The correct answer is B .
• Question 544: The loud cry made by a brooding hen when a predator is around is meant to Options:
  A) alert the poultry attendants
  B) attract cocks to come and fight the predator
  C) advertise the boundaries of its territory to intruders
  D) warn its chicks and other chickens of impending danger
  Show Answer
  The correct answer is D .
• Question 545: The part of the mammalian brain responsible for maintaining balance is Options:
  A) Medulla oblongata
  B) Cerebellum
  C) Optic lobe
  D) Cerebrum
  E) Olfactory lobe
  Show Answer
  The correct answer is B .
• Question 546:

  What is autotrophic nutrition?

  Options:
  A) Nutrition in which organisms obtain food by breaking down complex organic compounds.
  B) Nutrition in which organisms obtain food from other organisms
  C) Nutrition in which organisms obtain food by consuming both plants and animals
  D) Nutrition in which organisms produce their own food using energy from the sun or inorganic substances
  Show Answer
  The correct answer is D .
• Question 547: Which of the following pairs of organ is located in the anterior half of the mammalian body cavity? Options:
  A) Kidneys and lungs
  B) Heart and ovary
  C) Lungs and heart
  D) Kidneys and heart
  Show Answer
  The correct answer is C .
• Question 548:

  Which of the following is NOT regarded as a pollutanton land or in the air?

  Options:
  A) Smoke
  B) Nitrogen
  C) Noise
  D) Sulphur dioxide
  Show Answer
  The correct answer is B .
• Question 549: If the blood is too concentrated, more water is absorbed from Options:
  A) 5
  B) 4
  C) 3
  D) 1
  Show Answer
  The correct answer is B .
• Question 550: The movement of the whole organism to an external stimulus is termed Options:
  A) tropism
  B) a taxis
  C) a nastic movement
  D) a phototropic movement
  Show Answer
  The correct answer is B .