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 1: The small masses of nervous tissues in which many neurones have their nuclei are called Options:
  A) dorsal roots
  B) ventral roots
  C) ganglia
  D) synapses
  Show Answer
  The correct answer is C .
• Question 2:

  Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents?

  Options:
  A) both parents possess genes for shortness
  B) the father possesses a gene for shortness
  C) nature makes the child short
  D) the mother possesses a gene for shortness
  Show Answer
  The correct answer is A .
• Question 3: The feature that distinguish the toad or frog from the fish is the absence of Options:
  A) scales
  B) lungs
  C) paired appendages
  D) a tail
  E) skin glands
  Show Answer
  The correct answer is A .
• Question 4: Atmospheric nitrogen is converted to soil nitrogen for plant use by Options:
  A) nitrification and combustion
  B) putrefaction and lightning
  C) lightning and nitrification
  D) combustion and putrefaction
  Show Answer
  The correct answer is B .
• Question 5: 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 6:

  Blood circulation in a mammal is said to be double because

  Options:
  A) It passes twice through the heart in a complete circuit
  B) It moves in both arteries and veins
  C) It circulates in both the hands and other organs
  D) The heart contains auricles and ventricles
  Show Answer
  The correct answer is A .
• Question 7:

  Which of the following statements best describes pollination in plants?

  Options:
  A) Pollination is the process of transferring pollen from the stigma to the anther of a flower
  B) Pollination is the process of transferring pollen from the anther to the stigma of a flower
  C) Pollination is the process of releasing pollen into the air for dispersal
  D) Pollination is the process of seed formation within a flower
  Show Answer
  The correct answer is B .
• Question 8: 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 9: Sex - linked genes are located on Options:
  A) Y - chromosomes
  B) X - and Y - chromosomes
  C) homologous chromosome
  D) X - chromosome
  Show Answer
  The correct answer is B .
• Question 10: Which of the following disease is not sexually transmitted? Options:
  A) Gonorrhea
  B) Herpes
  C) Influenza
  D) Syphilis
  Show Answer
  The correct answer is C .