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 31:

  

  The figure above represents an experiment with two types of soil. The experiment demonstrates

  Options:
  A) soil attraction of water
  B) soil porosity
  C) soil capilarity
  D) draining capacity of soils
  E) soil permeability
  Show Answer
  The correct answer is C .
• Question 32: The difference in structure, morphological and behavior of plant and animal is called Options:
  A) adaptation
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is C .
• Question 33: The vector that transmit trypanosome is the Options:
  A) butterfly
  B) housefly
  C) mosquito
  D) tsetse fly
  Show Answer
  The correct answer is D .
• Question 34: Secondary thickening in dicotyledonous stem is controlled by the Options:
  A) xylem
  B) phloem
  C) cambium
  D) pericycle
  Show Answer
  The correct answer is C .
• Question 35: The path followed by air as it passes through the lungs in mammals is Options:
  A) trachea → bronchi → bronchioles → alveoli
  B) bronchi → trachea → alveoli → bronchioles
  C) trachea → bronchioles → alveoli
  D) bronchioles → alveoli → bronchi →trachea
  Show Answer
  The correct answer is A .
• Question 36:

  

  In the diagram, the organs for attachments to the lining of the host's intestine are labelled

  Options:
  A) ii and iii
  B) iii and iv
  C) i and ii
  D) i and iii
  Show Answer
  The correct answer is A .
• Question 37: Which of the following serves as the brain box in man Options:
  A) skeleton
  B) skull
  C) head
  D) spinal column
  Show Answer
  The correct answer is B .
• Question 38: One significant difference between roots and stem is that Options:
  A) Branch roots originate in the pericycle while stem do not
  B) Stems are always bove the ground while root are always below the ground
  C) Stems are positively geotropic while roots are negatively geotropic
  D) Stem are sometime used for storage while roots are never used
  E) Stems grow in both length and circumference while root grow only in length
  Show Answer
  The correct answer is A .
• Question 39: An example of a filter -feeding animal is Options:
  A) shark
  B) butterfly
  C) whale
  D) mosquito
  Show Answer
  The correct answer is C .
• Question 40: In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the Options:
  A) the primary consumer has more energy than the primary poducer
  B) secondary consumer takes up all the energy contents of the primary consumer
  C) energy is shared equally between the three groups of organism
  D) secondary consumer gets only a small portion of the energy contained in the primary producer
  Show Answer
  The correct answer is D .