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 1441: After a meal of yam has been digested, the highest concentration of glucose is to be found in the Options:
  A) hepatic artery
  B) pulmonary vein
  C) hepatic portal vein
  D) posterior vena cava
  Show Answer
  The correct answer is C .
• Question 1442:
  

  Which of the following structure is associated with aerobic respiration?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 1443: Which of the following statement is NOT correct with respect to inhalation in mammals? The Options:
  A) intercostal muscles contract
  B) diaphragm is raised
  C) ribs are raised
  D) Pressure of the thoracic cavity decreases
  Show Answer
  The correct answer is B .
• Question 1444: In the kidney, both useful substances and wastes are removed from the blood by Options:
  A) Filtration
  B) selective absorption
  C) dialysis machine
  D) excretion
  Show Answer
  The correct answer is A .
• Question 1445: In mammals, the exchange of nutrients and metabolic products occurs in the Options:
  A) lungs
  B) oesophagus
  C) trachea
  D) lymph
  Show Answer
  The correct answer is D .
• Question 1446: Unlike auxins, gibberellins Options:
  A) induces the formation of adventitious roots
  B) do not affect leaf and fruit abscission
  C) cannot stimulate stem elongation
  D) are quite effective as herbicides
  Show Answer
  The correct answer is B .
• Question 1447:

  

  The aim of the experiment is to demonstrate

  Options:
  A) that in mammal gaseous exchange takes place in the lungs
  B) the part played by the pleural cavity and diaphragm in respiration
  C) that a large amount of oxygen is absorbed by the lungs
  D) the presence of carbon (IV) oxide in the exhaled air
  Show Answer
  The correct answer is B .
• Question 1448: The anaerobic fermentation of a glucose molecule yields Options:
  A) 38 ATP molecules
  B) 2 ATP molecules and alcohol
  C) pyruvic acid and alcohol
  D) water and carbon (IV) oxide
  Show Answer
  The correct answer is B .
• Question 1449: The vector for the malaria parasite is a Options:
  A) female edes mosquito
  B) female Anopheles mosquito
  C) female culex mosquito
  D) female culex mosquito
  Show Answer
  The correct answer is B .
• Question 1450: The vacuole of a plant cell is Options:
  A) a large empty space
  B) smaller than that of animal cell
  C) filled with air
  D) an ordinary vacuum
  E) surrounded by a membrane
  Show Answer
  The correct answer is E .