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 1701: The process of soil erosion is usually from Options:
  A) rill → sheet → gully
  B) gully → rill → sheet
  C) sheet → guly → rill
  D) sheet → rill → gully
  E) rill → gully → sheet
  Show Answer
  The correct answer is D .
• Question 1702: Which of the following pairs are the products of sucrose hydrolysis? Options:
  A) Glucose + glucose
  B) Fructose + fructose
  C) Glucose + fructose
  D) Galactose + glucose
  E) Fructose + galactose
  Show Answer
  The correct answer is C .
• Question 1703:

  One of the following is an effect of clay soil on vegetation

  Options:
  A) Supports luxuriant vegetation such as forest
  B) Supports scanty vegetation
  C) Does not support light vegetation
  D) Support arid vegetation
  Show Answer
  The correct answer is A .
• Question 1704: A person whose blood can be donated to all other people, must have the blood group Options:
  A) O
  B) AB
  C) B
  D) A
  E) none of the above
  Show Answer
  The correct answer is A .
• Question 1705: An example of a caryopsis is Options:
  A) Guava
  B) Maize grain
  C) Coconut
  D) Tomato
  Show Answer
  The correct answer is B .
• Question 1706:

  Which of the blood corpusles are irregular and amoeloid in shape

  Options:
  A) Leucocytes
  B) Erythrocytes
  C) Thrombocytes
  D) Plasma
  Show Answer
  The correct answer is A .
• Question 1707:

  Which of the following food substances 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 1708: The pollutants that contribute to the depletion of the ozone layer in the atmosphere are Options:
  A) radioactive materials
  B) oxides of sulphur
  C) oxides of carbon
  D) chlorofluorocarbons
  Show Answer
  The correct answer is D .
• Question 1709: The type of nutrition exhibited when organism lives on the body surface or inside the body of another type of organism is Options:
  A) Holozoic
  B) parasitic
  C) saprohytic
  D) carnivores
  Show Answer
  The correct answer is B .
• Question 1710:

  Which of the following describes an example of fertilization in higher organisms?

  Options:
  A) Fusion of sperm and egg nuclei
  B) Pollen grain landing on a sticky stigma
  C) Ejaculation of the egg and pollen grain
  D) Ejaculation of sperm into the female body
  Show Answer
  The correct answer is A .