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 201: The loss of soil through erosion can be reduced by Options:
  A) watering
  B) crop rotation
  C) manuring
  D) irrigation
  Show Answer
  The correct answer is B .
• Question 202: The stream-lined shape of fishes is an adaptation for Options:
  A) Securing mates
  B) easy movement
  C) obtaining food
  D) defence and attack
  Show Answer
  The correct answer is B .
• Question 203: Which of the following types of feathers is used for flight in birds? Options:
  A) Quill
  B) Filoplume
  C) covert
  D) Down
  Show Answer
  The correct answer is A .
• Question 204:

  DNA in eukaryotic cells is contained in the

  Options:
  A) central vacuole
  B) nucleus
  C) lysosome
  D) golgi body
  Show Answer
  The correct answer is B .
• Question 205: Germination which results in the cotyledons being brought above ground is called Options:
  A) hypocotyl
  B) epicotyl
  C) epigeal
  D) hypogeal
  E) plumule
  Show Answer
  The correct answer is C .
• Question 206: Which of the following is likely to occur in a deciduous forest during the dry season? Options:
  A) New leaves are formed
  B) The trees die off
  C) The undergrowth increases
  D) The ground becomes bare
  Show Answer
  The correct answer is D .
• Question 207:

  

  What would happen if solution Y is more concentrated than solution X in the figure above?

  Options:
  A) the level of X would rise, Y would fall
  B) the level of X would rise Y would rise
  C) The level of X and Y would stay the same
  D) The level of Y would rise and X would fall
  E) The levels of Y would fall and X would fall
  Show Answer
  The correct answer is D .
• Question 208: The thoracic vertebrae of a mammal is characterized by the Options:
  A) vertebraterial canal
  B) prominent neural arch
  C) prominent transverse
  D) prominent neural spine
  E) prominent centrum
  Show Answer
  The correct answer is D .
• Question 209:

  

  In which of the habitats will plants show xeromorphic features most prominently?

  Options:
  A) X
  B) R
  C) P
  D) Q
  Show Answer
  The correct answer is A .
• Question 210:

  

  The structure labelled III represents the

  Options:
  A) mandible
  B) palp
  C) proboscis
  D) labium
  Show Answer
  The correct answer is C .