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 961:
  

  The main function of the structure labelled I is to

  Options:
  A) store food for the young plant
  B) pull the young shoot above the ground
  C) store water for the seedling
  D) protect the young plumule
  Show Answer
  The correct answer is D .
• Question 962: The conversion of excess amino acids into urea occurs in the Options:
  A) Kidney
  B) pancreas
  C) villi
  D) liver
  E) spleen
  Show Answer
  The correct answer is D .
• Question 963: Water in plants is removed as water vapour through the process of Options:
  A) diffusion
  B) osmosis
  C) evaporation
  D) transpiration
  Show Answer
  The correct answer is D .
• Question 964: Oxygen liberated during photosynthesis has been demonstrated to come from Options:
  A) carbondioxide
  B) air
  C) water
  D) chlorophyll
  Show Answer
  The correct answer is C .
• Question 965: The functions of endoplasmic reticulum is Options:
  A) protein synthesis
  B) intracellular transport of materials
  C) digestion and destruction of foreign bodies
  D) production of energy from glucose
  Show Answer
  The correct answer is B .
• Question 966:

  The sequence of the one-way gaseous exchange mechanism in a fish is?

  Options:
  A) mouth --> operculum -> gills
  B) mouth -> gills > operculum
  C) operculum > gills -> mouth
  D) gills -> operculum --> mouth
  Show Answer
  The correct answer is B .
• Question 967:

  

  Which of the following results is to be expected if the set up is left for several hours?

  Options:
  A) decrease in the size of the yam
  B) movement of the salt solution into the water
  C) decrease in the volume of water inside the yam
  D) movement of water from the salt solution into the yam
  Show Answer
  The correct answer is C .
• Question 968: A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted Options:
  A) schistosomiasis
  B) onchocerciasis
  C) poliomyelitis
  D) salmonellosis
  Show Answer
  The correct answer is A .
• Question 969: Which of the following hormones is produced during fright or when agitated? Options:
  A) Insulin
  B) Adrenalin
  C) Thyroxine
  D) Pituitrin
  E) Progesterone
  Show Answer
  The correct answer is B .
• Question 970: A distinguished feature of mammals is the possession of Options:
  A) skin
  B) scale
  C) nail
  D) hair
  Show Answer
  The correct answer is D .