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 1201:

  

  Use the diagram below to answer the question that follow:

  The diagram represents a

  Options:
  A) Hygrometer
  B) Wind vane
  C) Anemometer
  D) Rain gauge
  Show Answer
  The correct answer is C .
• Question 1202: A plant which has a horizontal underground stem is Options:
  A) rhizome
  B) corm
  C) creeper
  D) tuber
  E) bulb
  Show Answer
  The correct answer is A .
• Question 1203:

  

  The process of water loss and intake indicated by the arrow labelled I and II are respectively

  Options:
  A) exhalation and osmosis
  B) urination and diffusion
  C) osmosis and diffusion
  D) evaporation and osmosis
  Show Answer
  The correct answer is D .
• Question 1204: If the pair of alleles for baldness is given as Bb, a female carrier will be denoted by Options:
  A) X^bY^B
  B) X^BX^B
  C) X^BY
  D) X^BbX^b
  Show Answer
  The correct answer is D .
• Question 1205:

  Viruses are pathogens of the following diseases except

  Options:
  A) Tuberculosis
  B) Measles
  C) Small pox
  D) Poliomyelitis
  Show Answer
  The correct answer is A .
• Question 1206: Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat? Options:
  A) Turbidity
  B) Temperature
  C) pH
  D) Salinity
  Show Answer
  The correct answer is D .
• Question 1207: Which of the following protects the essential parts of the flower at bud stage? Options:
  A) Stamens
  B) Sepals
  C) Petals
  D) Carpels
  Show Answer
  The correct answer is B .
• Question 1208: Which of the following can cause shrinkage of living cells? Options:
  A) Hypotonic solution
  B) Isotonic solution
  C) Deionized water
  D) Hypertonic solution
  Show Answer
  The correct answer is D .
• Question 1209: In a population of living things, the parameters of size, height, weight and colour are examples of Options:
  A) discontinuous variation
  B) continuous variation
  C) physiological variation
  D) non-heritable variation
  Show Answer
  The correct answer is B .
• Question 1210:

  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 .