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 931:
  

  From the diagram above, the structure labelled I is the

  Options:
  A) incus
  B) malleus
  C) hammer
  D) stapes
  Show Answer
  The correct answer is D .
• Question 932: Haemophilia results from the mutation of the genes Options:
  A) in the sex chromosome
  B) which control skin colour
  C) which control the mechanism for blood-clotting
  D) which control the formation of haemoglobin
  Show Answer
  The correct answer is C .
• Question 933: Which of these is not true? grass in the above food chain Options:
  A) trap all the sunlight
  B) trap a small percent of the sun energy
  C) are primary producers
  D) are eaten by primary consumers
  E) contains chlorophyll
  Show Answer
  The correct answer is A .
• Question 934:

  

  Which of the labelled parts will develop into a new maize plant?

  Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is B .
• Question 935: A trawler on a fishing trip caught a type of animal with hairs on its body. This animal could have been Options:
  A) An amphibian
  B) a reptile
  C) a shark
  D) a mammal
  E) a seagull
  Show Answer
  The correct answer is D .
• Question 936:

  

  Use the diagram above to answer this question.

  The type of protective adaptation exhibited by the animal is

  Options:
  A) disruptive colouration
  B) flash colouration
  C) countershading colouration
  D) warning colouration
  Show Answer
  The correct answer is C .
• Question 937: In the kidney of mammals, the site of ultrafiltration is the Options:
  A) uriniferous tubule
  B) Bowman's capsule
  C) loop of Henle
  D) renal tubule
  Show Answer
  The correct answer is B .
• Question 938: A person whose blood can be donated to all other people, must have the blood group Options:
  A) O
  B) AB
  C) B
  D) A
  E) none of the above
  Show Answer
  The correct answer is A .
• Question 939: A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is Options:
  A) temperature
  B) competition
  C) pH
  D) light
  Show Answer
  The correct answer is B .
• Question 940:

  Which of the following is a plant hormone responsible for promoting cell elongation and growth?

  Options:
  A) Abscisic acid
  B) Gibberellins
  C) Ethylene
  D) Cytokinins
  Show Answer
  The correct answer is B .