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 121: The difference and similarities among living things account for Options:
  A) diversity
  B) stability
  C) competition
  D) evolution
  Show Answer
  The correct answer is D .
• Question 122:

  

  The function of the part labelled 1 is to

  Options:
  A) secrete a fluid which lubricates the joint
  B) attach muscles to the bones at the joint
  C) bend the bones at the joint
  D) hold the joint in place
  Show Answer
  The correct answer is C .
• Question 123: Which of the following serves as the brain box in man Options:
  A) skeleton
  B) skull
  C) head
  D) spinal column
  Show Answer
  The correct answer is B .
• Question 124: The part of the brain that regulates most biological cycles in humans is Options:
  A) olfactory lobe
  B) optic lobe
  C) medulla oblongata
  D) pineal body
  Show Answer
  The correct answer is C .
• Question 125: The failure of transport and respiratory systems in plants as well as the presence of reddish colour in stems and leaves result from the deficiency of Options:
  A) magnesium
  B) nitrogen
  C) potassium
  D) phosphorus
  Show Answer
  The correct answer is C .
• Question 126: The modification in structure, physiology and behaviour of plant and animal is called ______ Options:
  A) adaption
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is A .
• Question 127: An example of a fruit that develops from a single carpel is Options:
  A) okro
  B) tomato
  C) bean
  D) orange
  Show Answer
  The correct answer is C .
• Question 128: 28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil? Options:
  A) 22.2
  B) 55.6
  C) 75.0
  D) 25.0
  E) 35.7
  Show Answer
  The correct answer is A .
• Question 129: Which of the following groups of diseases are associated with water? I Onchocerciasis II Schistosomiasis III Dracunculiasis IV Elephantiasis V Taeniasis Options:
  A) I, II and III
  B) II, IV and V
  C) II, III and IV
  D) I, II and V
  Show Answer
  The correct answer is A .
• Question 130:

  

  In the experiment, the layer of oil serves to prevent water loss

  Options:
  A) transpiration
  B) evaporation
  C) osmosis
  D) guttation
  Show Answer
  The correct answer is B .