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 781:

  

  In the diagram, the association illustrated demonstrates

  Options:
  A) parasitism
  B) commensalism
  C) saprophytism
  D) mutualism
  Show Answer
  The correct answer is D .
• Question 782:

  Which of the following is an example of discontinous variatio?

  Options:
  A) The range in height of a pea plant from 30cm to 50cm
  B) Offsprings including two male cats and three female cats
  C) The colour of pear plants grown in the dark
  D) The adult body weight ranging from 50kg to 95kg
  Show Answer
  The correct answer is B .
• Question 783: In rhizopus carbohydrate is stored in the form of Options:
  A) Glucose
  B) Paramylon
  C) Glycogen
  D) Starch
  E) Oil
  Show Answer
  The correct answer is C .
• Question 784: During blood transfusion, agglutination may occur as a result of the reaction between Options:
  A) contrasting antigens and antibodies
  B) two different antigens
  C) two different antibodies
  D) similar antigens and antibodies
  Show Answer
  The correct answer is A .
• Question 785: The protozoan plasmodium falciparum is transmitted by Options:
  A) female Anopheles mosquitoes
  B) female Aedes mosquitoes
  C) female Culex mosquitoes
  D) Female blackfly
  Show Answer
  The correct answer is A .
• Question 786: The factors that determine the distribution of vegetation zones are Options:
  A) temperature, light, rain and humidity
  B) light, humidity, air and mist
  C) temperature, light, air and humidity
  D) humidity, snow, frost and dew
  Show Answer
  The correct answer is A .
• Question 787: The main function of the swim-bladder is for Options:
  A) Swimming
  B) Detecting sound
  C) Buoyancy
  D) Breathing
  E) Reproduction
  Show Answer
  The correct answer is C .
• Question 788: 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 789:

  The cytoplasm of a cell is considered a very important component because it

  Options:
  A) regulates the amount of energy in the cell
  B) suspends all cell organelles
  C) is the outermost part of the cell
  D) is solely responsible for cell division
  Show Answer
  The correct answer is B .
• Question 790: Which of the following hormonal glands is located on top of the kidney? Options:
  A) Adrenal
  B) gonads
  C) pancreas
  D) thyroid
  Show Answer
  The correct answer is A .