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 11: Which of the following is the function of lymph? Options:
  A) Carries hormones round the body
  B) Transports nutrients and oxygen from blood capil
  C) Distributes heat uniformly round the body
  D) conveys amino acids and glucose fromthe small intestine to the liver
  Show Answer
  The correct answer is B .
• Question 12:

  

  In the diagram, the eye defect illustrated is

  Options:
  A) myopia
  B) hypermetropia
  C) astigmaism
  D) cataract
  Show Answer
  The correct answer is B .
• Question 13: Secondary succession is much faster than primary succession because Options:
  A) pioneer colonizers are more in number
  B) soil is already present
  C) secondary seres require less nutrients
  D) species competition is increased
  Show Answer
  The correct answer is A .
• Question 14: When it is cold, the blood vessels of the skin Options:
  A) dilates to increase the amount of blood flowing
  B) constrict to reduced the amount of blood flowing to the skin
  C) dilate to reduce the amount of blood flowing to the skin
  D) constrict to increase the amount of blood flowing to the skin
  Show Answer
  The correct answer is B .
• Question 15: The genetic make-up of an organism is described as Options:
  A) Allele
  B) Chromosome
  C) Phenotype
  D) Genotype
  Show Answer
  The correct answer is D .
• Question 16: The swollen shoot disease of cocoa tree is caused by a Options:
  A) virus
  B) fungus
  C) bacterium
  D) protozoan
  Show Answer
  The correct answer is A .
• Question 17:

  

  The structure responsible for trapping the sun's energy during photosynthesis is

  Options:
  A) 5
  B) 6
  C) 3
  D) 2
  E) 8
  Show Answer
  The correct answer is C .
• Question 18: Which of the following instruments is NOT used in measuring abiotic factors in any habitat? Options:
  A) Microscopic
  B) Thermometer
  C) Hygrometer
  D) Wind vane
  Show Answer
  The correct answer is A .
• Question 19: The average number of individuals of a species per unit area of the habitat is the Options:
  A) population density
  B) population frequency
  C) population size
  D) population distribution
  Show Answer
  The correct answer is A .
• Question 20:

  Which of the following instruments is NOT used in measuring abiotic factors in any habitat?

  Options:
  A) microscope
  B) thermometer
  C) hygrometer
  D) windvane
  Show Answer
  The correct answer is A .