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 1981: The part of the mammalian ear responsible for the maintenance of balance is the Options:
  A) cochlea
  B) pinna
  C) perilymph
  D) vestibular system
  Show Answer
  The correct answer is D .
• Question 1982:

  Spectacles with convex lenses correct long-sightedness by

  Options:
  A) converging the light rays before they enter the eye
  B) diverging the light rays before they enter the eye
  C) reducing the light intensity before it enters the eye
  D) increasing the light intensity before it enters the eye
  Show Answer
  The correct answer is A .
• Question 1983:

  Which of the following is an example of discontinous variatio?

  Options:
  A) The range in height of a pea plant from 30cm to 50cm
  B) Offsprings including two male cats and three female cats
  C) The colour of pear plants grown in the dark
  D) The adult body weight ranging from 50kg to 95kg
  Show Answer
  The correct answer is B .
• Question 1984: In the onion bulb, food is stored in the Options:
  A) stem
  B) lateral buds
  C) cotyledons
  D) outer scale leave
  E) leaf base
  Show Answer
  The correct answer is E .
• Question 1985:

  

  Which of the following results is to be expected if the set up is left for several hours?

  Options:
  A) decrease in the size of the yam
  B) movement of the salt solution into the water
  C) decrease in the volume of water inside the yam
  D) movement of water from the salt solution into the yam
  Show Answer
  The correct answer is C .
• Question 1986:

  A group of organism of different species living in a particular area is described as a

  Options:
  A) colony
  B) community
  C) population
  D) niche
  Show Answer
  The correct answer is B .
• Question 1987: Which of the following instruments is used to measure relative humidity? Options:
  A) Hydrometer
  B) Thermometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is C .
• Question 1988: Plants tend to prevent overcrowding by means of efficient Options:
  A) water uptake
  B) seed germination
  C) pollination
  D) seed dispersal
  Show Answer
  The correct answer is D .
• Question 1989: Blood platelets are important because they are Options:
  A) amoeboid and nucleated
  B) produce antitoxins
  C) produce antibodies
  D) digest harmful bacteria
  E) release thrombin for blood clothing
  Show Answer
  The correct answer is E .
• Question 1990: The level of organism in spirogyra and volvox is Options:
  A) organ
  B) system
  C) cell
  D) Tissue
  Show Answer
  The correct answer is C .