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 1081: A fresh water plant such as water lily can solve the problem of buoyancy by the possession of Options:
  A) aerenchymarous tissues
  B) dissected leaves
  C) thin cell walls of the epidermis
  D) water-repelling epidermis
  Show Answer
  The correct answer is A .
• Question 1082: The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of Options:
  A) long tail
  B) scaly skin
  C) sharp claw
  D) amniotic egg
  Show Answer
  The correct answer is D .
• Question 1083:

  What are the primary products of photosynthesis?

  Options:
  A) Carbon dioxide and water
  B) Glucose and oxygen
  C) Glucose and carbon dioxide
  D) Oxygen and water
  Show Answer
  The correct answer is B .
• Question 1084: The presence of sunken stomata and the folding of leaves are adaptations to Options:
  A) Prevent entry of pathogens
  B) Reduce water loss
  C) Remove excess water
  D) Prevent guttation
  Show Answer
  The correct answer is B .
• Question 1085: Treatment of a poor soil with lime supplies Options:
  A) Sulphur
  B) Calcium
  C) Phosphorus
  D) Sodium
  E) Nitrogen
  Show Answer
  The correct answer is B .
• Question 1086: Groundnut is not really a 'nut' in the biological sense because Options:
  A) it is harvested from inside the ground
  B) pericarp is not hard and tough
  C) the fruit is not as hard as coconut
  D) the fruit is not succulent
  E) it is an achene
  Show Answer
  The correct answer is B .
• Question 1087: Malaria symptoms are caused by Options:
  A) toxins released into the blood as a result of the destruction of red blood cell
  B) the multiplication of the malaria sporozites in the liver
  C) the invasion of the red blood cells by the trophozoites
  D) the development of merozoites into gametocytes
  Show Answer
  The correct answer is B .
• Question 1088:

  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 1089: Th order in which organic evolution has progressed in plants is Options:
  A) thallophyta, schizophyta, bryophyta, pteridophyta and spermatophyta
  B) schizophyta, thallophyta, bryophyta, pteridophyta and spermatophyta
  C) pteridophyta, spermatophyta, thallophyta, schizophyta and bryophyta
  D) bryophyta, pteridophyta, spermatphyta, thallophyta and schizophyta
  Show Answer
  The correct answer is B .
• Question 1090:

  Which of the following is NOT true of wind-pollinated flowers?

  Options:
  A) A large amount of pollen produced
  B) Light smooth pollen grains
  C) Small inconspicuous flowers
  D) Scented petals
  E) Large pendulous anther
  Show Answer
  The correct answer is D .