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 1: The mammalian pancreas is involved with the Options:
  A) digestion of food only
  B) digestion and absorption of food
  C) digestion of food and regulation of blood sugar
  D) digestion of food, production of hormone and the regulation of blood
  E) digestion of food, and the regulation of blood
  Show Answer
  The correct answer is D .
• Question 2: In rhizopus carbohydrate is stored in the form of Options:
  A) Glucose
  B) Paramylon
  C) Glycogen
  D) Starch
  E) Oil
  Show Answer
  The correct answer is C .
• Question 3: The water-retention capacity of a soil indicates its Options:
  A) fertility
  B) capilarity
  C) aeration level
  D) pH level
  Show Answer
  The correct answer is B .
• Question 4: If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal? Options:
  A) Three
  B) Two
  C) One
  D) None
  Show Answer
  The correct answer is D .
• Question 5: The construction of dams may lead to an increase in the prevalence of Options:
  A) typhoid fever, measles and yellow fever
  B) tuberculosis, leprosy and trypanosomiasis
  C) guinea worm, malaria and tuberculosis
  D) malaria, bilharziasis and onchocerciasis
  Show Answer
  The correct answer is D .
• Question 6:

  

  The type of interaction shown is referred to as

  Options:
  A) interspecific competition
  B) intraspecific competition
  C) mutualism
  D) cooperation
  Show Answer
  The correct answer is A .
• Question 7:

  Mass of a crucible = 10g,

  Mass of a crucible and soil before heating =29g

  Mass of a crucible and soil after heating = 18g

  From the information above, determine the percentage of water in the given soil sample?

  Options:
  A) 20%
  B) 25%
  C) 40%
  D) 60%
  Show Answer
  The correct answer is D .
• Question 8: An insect whose economic importance is both harmful and beneficial is the Options:
  A) Tsetsefly
  B) Blackfly
  C) Mosquito
  D) Butterfly
  Show Answer
  The correct answer is D .
• Question 9: Which of the following animals is cold blooded Options:
  A) Cat
  B) Lizard
  C) Whale
  D) Bird
  E) Horse
  Show Answer
  The correct answer is B .
• Question 10: Which of these is not a characteristics of a wind pollinated flowers? Options:
  A) A smaller quantities of sticky pollen produce
  B) Feathery styles of stigmas pendulously hang outrside the flower
  C) small inconspicuous scentless flower
  D) large anthers which are loosley attched to the filament
  E) Light pollen grains produced in large quantities from the anthers
  Show Answer
  The correct answer is A .