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: In anaerobic respiration, glucose is converted to one of the following Options:
  A) Carbon dioxide and water
  B) Carbon dioxide only
  C) Carbon dioxide and alcohol
  D) Alcohol and water
  E) water and acetic acid
  Show Answer
  The correct answer is C .
• Question 902: The insects in which the maxillae are modified into a long coiled proboscis is Options:
  A) housefly
  B) butterfly
  C) mosquito
  D) grasshopper
  Show Answer
  The correct answer is B .
• Question 903: If Benedict's solution gives a positive result in a food test, the food contains Options:
  A) sugar
  B) protein
  C) oil
  D) fat
  E) cellulose
  Show Answer
  The correct answer is A .
• Question 904: In the mammal, the autonomic nervous system consists of Options:
  A) sympathetic and parasympathetic system
  B) brain and spinal nerves
  C) brain and cranial nerves
  D) spinal cord and spinal nerves
  Show Answer
  The correct answer is A .
• Question 905: Which of the following organs regulates the amount of amino acids and glucose in the body? Options:
  A) Kidney
  B) Liver
  C) pancreas
  D) Spleen
  E) Stomach
  Show Answer
  The correct answer is B .
• Question 906: Which of the following food substance will produce a brick-red colour when warmed with Benedict's solution? Options:
  A) Glucose
  B) Starch
  C) Egg white
  D) Maltose
  Show Answer
  The correct answer is A .
• Question 907: Which of the following groups of invertebrates reproduces by budding? Options:
  A) Arthropoda
  B) Annelides
  C) Mollusces
  D) Coelenterata
  Show Answer
  The correct answer is D .
• Question 908: The salinity of a brackish enviroment Options:
  A) increases immediately after rain
  B) increase at the end of rainy season
  C) Decrease with increase in micro-organisms
  D) increase during dry season
  Show Answer
  The correct answer is D .
• Question 909:

  

  After 30 minutes, the level of sugar solution in the above figure will

  Options:
  A) rise in x only
  B) rise in Y only
  C) be the same in X and Y
  D) fall in Y
  Show Answer
  The correct answer is B .
• Question 910: Which of the following statements on the mammalian circulatory system is NOT true? Options:
  A) Blood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein
  B) The blood in the hepatic portal vein is the richest in food substance
  C) Blood flow is controlled by valves in the veins
  D) Arteries are generally thicker and larger than veins
  E) Fibrin helps in the formation of blood clot
  Show Answer
  The correct answer is A .