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 901: Soil fertility can be conserved and renewed by Options:
  A) yearly monocropping
  B) crop rotation and cover crops
  C) bush burning to remove unwanted debris
  D) avoiding artificial manures
  Show Answer
  The correct answer is B .
• Question 902:

  

  In the figure above the cell which controls the opening and closing of stomatal pore is

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is E .
• Question 903: Which of the following is the most complex according to their cellular level of organization? Options:
  A) Heart
  B) Hair
  C) Euglena
  D) Hydra
  Show Answer
  The correct answer is A .
• Question 904: The two keys cation involved in the action potential of nervous transmissions are Options:
  A) Na⁺ an Fe²⁺
  B) Mg²⁺ and K⁺
  C) Na⁺ and K⁺
  D) Fe²⁺ and Mg²⁺
  Show Answer
  The correct answer is C .
• Question 905: Which one of the following is not an excretory product? Options:
  A) Urine
  B) Sweat
  C) Faeces
  D) Salts
  E) Carbon-dioxide
  Show Answer
  The correct answer is C .
• Question 906: The function of the fluid - filled pericadium is to Options:
  A) reduce the friction caused by the pumping movements of the heart
  B) supply the heart with organisms from attacking the heart
  C) prevent disease organism from attacking the heart
  D) reduce the intensity of the pumping
  Show Answer
  The correct answer is A .
• Question 907:

  Which of the following structures in the ear is responsible for transmitting sound vibrations to the auditory nerve?

  Options:
  A) Eardrum
  B) Ossicles
  C) Cochlea
  D) Auditory canal
  Show Answer
  The correct answer is C .
• Question 908:

  

  In the diagram, the species whose distribution is not affected by rainfall is

  Options:
  A) ii
  B) iv
  C) i
  D) iii
  Show Answer
  The correct answer is A .
• Question 909: Which of the following is an example of intraspecific competition? Options:
  A) a lizard and an ant-eater chasing an insect
  B) a worker termite and a soldier in a limited
  C) a hawk and an eagle targeting the same chicken
  D) yam and potato shots growing out through the same window
  Show Answer
  The correct answer is D .
• Question 910:

  

  The parts labelled I and II make up the

  Options:
  A) glomerulus
  B) convoluted tubules
  C) Malpighian body
  D) Bowman's capsule
  Show Answer
  The correct answer is C .