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 861:

  Use the diagram to answer the question

  The neural arch is labelled

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is B .
• Question 862: The breaking down of food in the alimentary canal is called Options:
  A) digestion
  B) egestion
  C) excretion
  D) ingestion
  Show Answer
  The correct answer is A .
• Question 863: The mineral nutrient that easily gets leached out of the soil is Options:
  A) phosphorus
  B) calcium
  C) magnesium
  D) nitrate
  Show Answer
  The correct answer is D .
• Question 864:

  

  In the diagram, the genotypic ratio of the offspring of the cross is

  Options:
  A) 1:2
  B) 1:2:1
  C) 1:1:1:1
  D) 3:1
  Show Answer
  The correct answer is B .
• Question 865: In a food chain, each succeeding level in a forward direction represents Options:
  A) an increase in the number of individuals
  B) a decrease in the number of individuals
  C) an increase in the biomass of individuals
  D) a gain in the total energy being transferred
  Show Answer
  The correct answer is C .
• Question 866:

  Deamination occurs in the?

   

  Options:
  A) Kidney
  B) Pancreas
  C) Spleen
  D) Liver
  Show Answer
  The correct answer is D .
• Question 867: The translucency spot in food test shows the presence of Options:
  A) fats
  B) starch
  C) water
  D) protein
  Show Answer
  The correct answer is A .
• Question 868: The removal of a man’s pancreas by surgical operation can affect only the digestion of Options:
  A) Starch
  B) Starch, protein and fats
  C) Oils and fats
  D) Proteins
  E) Carbohydrates and fats
  Show Answer
  The correct answer is B .
• Question 869:

  

  The gas occupying the space labelled I is

  Options:
  A) carbon (IV) oxide
  B) nitrogen
  C) hydrogen
  D) oxygen
  Show Answer
  The correct answer is D .
• Question 870:

  Swollen, bleeding gums are another common sign of which vitamin?

  Options:
  A) Vitamin K
  B) Vitamin B
  C) Vitamin C
  D) Vitamin D
  Show Answer
  The correct answer is C .