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 1891: In a Biuret test , some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive result? Options:
  A) mercurous nitrate
  B) copper sulphate
  C) sodium carbonate
  D) silver nitrate
  Show Answer
  The correct answer is B .
• Question 1892: Oxygen liberated during photosynthesis has been demonstrated to come from Options:
  A) carbondioxide
  B) air
  C) water
  D) chlorophyll
  Show Answer
  The correct answer is C .
• Question 1893:

  Botany is also known as

  Options:
  A) Phytology
  B) Phycology
  C) Pedology
  D) Plantophyta
  Show Answer
  The correct answer is A .
• Question 1894:

  

  Which structure is the glomerulus?

  Options:
  A) 5
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is B .
• Question 1895: 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 1896: Plants of temperate origin can be grown in tropical areas in the vegetation zones of the Options:
  A) rain forest
  B) guinea savanna
  C) sudan savanna
  D) montane forest
  Show Answer
  The correct answer is B .
• Question 1897: Which of the following food substance will produce a brick-red colour when warmed with Benedict's solution? Options:
  A) Glucose
  B) Starch
  C) Egg white
  D) Maltose
  Show Answer
  The correct answer is A .
• Question 1898: Incomplete metamorphosis occurs in the Options:
  A) butterfly
  B) grasshopper
  C) mosquito
  D) housefly
  Show Answer
  The correct answer is B .
• Question 1899: In an ecosystem, animals which feed directly on plants are called Options:
  A) secondary consumers
  B) primary consumers
  C) producers
  D) predators
  Show Answer
  The correct answer is B .
• Question 1900:

  

  From the diagram above the angle between the parts labelled II and III is the

  Options:
  A) bud
  B) node
  C) internode
  D) axil
  Show Answer
  The correct answer is D .