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 131: If the gall bladder of a mammal is damaged, which of the following will be most seriously affected? Options:
  A) Glycolysis
  B) Digestion of starch
  C) Digestion of fats and oil
  D) Digestion of proteins
  Show Answer
  The correct answer is C .
• Question 132: In which part of the human body does the secretion of the growth hormone occur? Options:
  A) Head region
  B) Waist region
  C) Neck region
  D) Gonads
  Show Answer
  The correct answer is A .
• Question 133: The level of organism in spirogyra and volvox is Options:
  A) organ
  B) system
  C) cell
  D) Tissue
  Show Answer
  The correct answer is C .
• Question 134: In the living cells, insufficient oxygen may cause a breakdown of glucose into Options:
  A) fatty acids
  B) lactic acids
  C) glycogen
  D) carbon dioxide
  Show Answer
  The correct answer is B .
• Question 135:

  The change in the genetic make up of an organism resulting in an inheritable characteristics which is new is

  Options:
  A) Mutation
  B) Locus
  C) Hybrid
  D) Diploid
  Show Answer
  The correct answer is A .
• Question 136: Which of the following tissue are made up of dead cells? Options:
  A) Meristematic
  B) Xylem vessels
  C) Cambium
  D) Mesophyll
  E) Palisade
  Show Answer
  The correct answer is B .
• Question 137:

  

  In the diagram, the illustration is a typical example of a plant pollinated by

  Options:
  A) wind
  B) man
  C) insects
  D) birds
  Show Answer
  The correct answer is A .
• Question 138: The hepatic portal vein is unique because it Options:
  A) carries deoxygenated blood
  B) begins and ends with capillaries
  C) is the largest vein in mammals
  D) carries digested food
  E) is the shortest vein in mammals
  Show Answer
  The correct answer is D .
• Question 139: In which of the following plants is swollen shoot disease common? Options:
  A) Groundnut
  B) cocoa
  C) Corn
  D) Cotton
  E) Rubber
  Show Answer
  The correct answer is B .
• Question 140: The increasing order of the particle size in following soil type is Options:
  A) clay → sand → silt →gravel
  B) silt → sand → clay → gravel
  C) clay → silt → sand → gravel
  D) silt → clay → sand → gravel
  Show Answer
  The correct answer is C .