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 291: A farmer x working in a swamp did not eat any food nor drink any water. Which of this diseases can he not contact Options:
  A) Cholera
  B) Bilharzia
  C) River blindness
  D) Malaria
  E) Sleeping sickness
  Show Answer
  The correct answer is A .
• Question 292:

  

  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 293: Which of the following choices correctly describes the composition of the cell membrane? Options:
  A) contains only lipids
  B) contains lipids and protein
  C) contains lipids and cytosol
  D) contains only proteins
  Show Answer
  The correct answer is B .
• Question 294: What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant? Options:
  A) 0 tall : 4 short
  B) 3 tall : 1 short
  C) 2 short : 2 tall
  D) 1 tall : 1 short
  E) 4 tall : o short
  Show Answer
  The correct answer is E .
• Question 295: From evolutionary standpoint , the older a fossil-bearing rocks is, the more likely it is to contain Options:
  A) aves as opposed to amphibians
  B) invertebrates as opposed to vertebrates
  C) angiosperms as opposed to algae
  D) vertebrates as opposed to invertebrates
  Show Answer
  The correct answer is B .
• Question 296:

  Which of the following is an example of an abiotic ecological factor?

  Options:
  A) Temperature
  B) Competition
  C) Predation
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 297:

  

  The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is A .
• Question 298:

  The noticeable adaptation of the animal to it's aquatic habitat is the possession of

  Options:
  A) webbed digits
  B) four limb
  C) wide mouth
  D) large eyes
  Show Answer
  The correct answer is A .
• Question 299: Which of the following helps in the clotting of blood? Options:
  A) Red blood cells
  B) White blood cells
  C) Plasma
  D) Platelets
  Show Answer
  The correct answer is D .
• Question 300: An evidence of the relationship between living organisms and their extinct relatives can best be obtained from Options:
  A) embryology
  B) comparative anatomy
  C) comparative physiology
  D) palaeontology
  Show Answer
  The correct answer is D .