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 1681:

  

  In the diagram, the variation illustration is

  Options:
  A) discontinuous
  B) morphological
  C) physiological
  D) biochemical
  Show Answer
  The correct answer is B .
• Question 1682:

  Study the diagram of a food chain shown and use it to answer the question.

  P ---> Q ---> R ---> S ---> T

  Which of the following statements best describes the organism designated R? It

  Options:
  A) feeds on S
  B) is a primary consumer
  C) is a producer as well as a consumer
  D) is a secondary consumer
  Show Answer
  The correct answer is D .
• Question 1683: The dorsal and anal fins of fish are used for Options:
  A) Upward movement
  B) Controlling rolling
  C) Downward movement
  D) Steering
  E) Buoyancy
  Show Answer
  The correct answer is B .
• Question 1684:

  

  The diagram is the transverse section of a

  Options:
  A) monocotyledonous stem
  B) dicotyledonous stem
  C) monocotyledonous root
  D) dicotyledonous root
  Show Answer
  The correct answer is D .
• Question 1685: The rate of transpiration of a leafy shoot would be highest under Options:
  A) damp, cold, still air
  B) damp, warm, moving air
  C) dry, warm, moving air
  D) dry, cold, moving air
  E) dry, warm, still air
  Show Answer
  The correct answer is C .
• Question 1686:

  The probability of a baby being a boy or a girl depends on the contribution of the

  Options:
  A) father's sex cells
  B) father's stomatic chromosome
  C) mother's sex cell
  D) mother's X-chromosome
  Show Answer
  The correct answer is A .
• Question 1687: Which of the following invertebrates does NOT possess antennae? Options:
  A) Centipede
  B) Crustacean
  C) Millipede
  D) Insect
  E) Spider
  Show Answer
  The correct answer is E .
• Question 1688: 28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil? Options:
  A) 22.2
  B) 55.6
  C) 75.0
  D) 25.0
  E) 35.7
  Show Answer
  The correct answer is A .
• Question 1689: The prothallus of fern is equivalent to the gametophyte generation of moss because it Options:
  A) is inconspicuous
  B) has rhizoids
  C) bears sexual organ
  D) is multicellular
  Show Answer
  The correct answer is C .
• Question 1690:

  The vessel carrying oxygenated blood to the tissues is

  Options:
  A) Arteries
  B) Ventricles
  C) Aorta
  D) Lung
  Show Answer
  The correct answer is A .