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 221: Which of the following is a plant excretory product? Options:
  A) Oil
  B) Cytokinin
  C) Resin
  D) Amino acids
  Show Answer
  The correct answer is C .
• Question 222: The soil with highest water-retaining capacity is Options:
  A) Clayey Soil
  B) Stoney soil
  C) Sandy soil
  D) Loamy Soil
  Show Answer
  The correct answer is A .
• Question 223:

  

  Which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 224: A mammal with red fur and long ears was crossed with another having white fur and short ears. If the offspring had a red fur and short ears, the Options:
  A) character are linked
  B) character are not linked
  C) parents are related
  D) parents are not related
  Show Answer
  The correct answer is A .
• Question 225: When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the Options:
  A) non-illuminated side of the shoot
  B) illuminated side of the shoot
  C) upper side of the shoot
  D) lower side of the shoot
  Show Answer
  The correct answer is A .
• Question 226: Peripherals arrangement of vascular tissues in dicots is a characteristic of the internal structure of the Options:
  A) leaf
  B) petiole
  C) stem
  D) root
  Show Answer
  The correct answer is C .
• Question 227:

  The movement of Euglena towards the source of light is a?

  Options:
  A) tropic movement
  B) tactic movement
  C) nastic movement
  D) kinetic movement
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  The correct answer is B .
• Question 228: Viruses are considered to be living organisms because they Options:
  A) possess transmittable characters
  B) move from one place to another
  C) respond to stimulation
  D) ingest food materials
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  The correct answer is A .
• Question 229: An organism which lives on the remain of dead plant is Options:
  A) An endoparasite
  B) Saprophyte
  C) Commensal
  D) Symbiont
  E) ectoparasite
  Show Answer
  The correct answer is B .
• Question 230: Example of a fish that aestivates is Options:
  A) shark
  B) croaker
  C) lung fish
  D) cat fish
  Show Answer
  The correct answer is C .