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 411: All the sons of a colour-blind woman will be coloured blind regardless of the state of the father because Options:
  A) the egg determines the phenotype of the son
  B) sons inherit the sex chromosome of their mothers
  C) the father's sex chromosomes is weaker in sons
  D) sex-linked traits express dominance in females
  Show Answer
  The correct answer is D .
• Question 412:

  When the original king and queen of termites die, they are replaced by

  Options:
  A) the king and queen of another colony
  B) some adult reproductives from the same colony
  C) some adult workers which are specially fed to breed
  D) developing nymphs nurtured as secondary reproductives
  Show Answer
  The correct answer is D .
• Question 413: Which of the following animals has homodont dentition? Options:
  A) Rat
  B) Man
  C) Lizard
  D) Pigeon
  Show Answer
  The correct answer is C .
• Question 414:

  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 .
• Question 415: In which part of a leguminous plant can you find bacteria like Azotobacter? Options:
  A) Spongy mesophyll of leaf
  B) At the nodes
  C) At the internodes
  D) In nodules
  E) Palisade mesophyll of leaf
  Show Answer
  The correct answer is D .
• Question 416: A group of organisms of the same kind inhabiting the same environment is called Options:
  A) ecosystem
  B) habitat
  C) population
  D) species
  Show Answer
  The correct answer is D .
• Question 417: The rate of transpiration is NOT affected by Options:
  A) the weight of the stomata pores
  B) humidity
  C) temperature
  D) the size of the stomata pores
  Show Answer
  The correct answer is A .
• Question 418: The dry indehiscent, winged fruit formed from one one carpel is known as Options:
  A) Schizocarp
  B) Caryopsis
  C) Samara
  D) Nut
  E) Follicle
  Show Answer
  The correct answer is C .
• Question 419:

  

  Use the diagram to answer the question that follows:

  The instrument is used to measure

  Options:
  A) atmospheric pressure
  B) relative humidity
  C) direction of wind
  D) speed of wind
  Show Answer
  The correct answer is D .
• Question 420: In man, the ability to roll the tongue is a variation classified as Options:
  A) anatomical
  B) physiological
  C) structural
  D) morphological
  Show Answer
  The correct answer is B .