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 211: The major cause of global warning is the Options:
  A) burning of fossil fuel
  B) construction of dams
  C) use of electricity
  D) exploration of space
  Show Answer
  The correct answer is A .
• Question 212:

  In plants, respiration occurs in

  Options:
  A) The stomata and lenticel only
  B) Mesophyll cells only
  C) All living cells
  D) The root only
  Show Answer
  The correct answer is C .
• Question 213:

  Animals are said to gregarious when

  Options:
  A) they survive adverse conditions of cold weather
  B) they transmit information from one individual to another
  C) they are of the same species moving together in a group
  D) they give an alarm to alert others to show the normal protective behaviour of the group when danger threatens
  Show Answer
  The correct answer is C .
• Question 214:

  Plants which can survive in extremely dry places are called

  Options:
  A) Mesophytes
  B) Xerophytes
  C) Hydrophytes
  D) Angiosperms
  Show Answer
  The correct answer is B .
• Question 215: The response of plants to external stimuli in a non-directional manner is known as Options:
  A) Tactic movement
  B) Phototropism
  C) Geotropism
  D) Nastic movement
  Show Answer
  The correct answer is D .
• Question 216:

  The longest bone in the body is the

  Options:
  A) humerous
  B) femur
  C) scapula
  D) tibia
  Show Answer
  The correct answer is B .
• Question 217: A pyramid of numbers can be defined as Options:
  A) the number of plants and animals in an ecosystem
  B) an arrangement of organism according to their habitat
  C) the numerical relationships of a food chain
  D) the number of plants and animals in a population
  E) the total number of species and general in a community
  Show Answer
  The correct answer is C .
• Question 218: The two normal types of sex chromosomes are Options:
  A) XXY and XYY
  B) XX and XYY
  C) XY and XXY
  D) XXand XY
  Show Answer
  The correct answer is D .
• Question 219: 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 220:

  Which of the following blood vessels carries oxygenated blood away from the heart?

  Options:
  A) Arteries
  B) Venules
  C) Capillaries
  D) Veins
  Show Answer
  The correct answer is A .