antimicrobial properties of a plant

• Independent variable (AP)

  Type of plant
• Dependent variable (AP)

  the area of zone of inhibition
• Describe a method that can be used to study the antimicrobial properties of a plant extract.

  • grow bacteria in a nutrient agar
  • filter paper discs soaked in plant extract placed on agar keep extract volume controlled use a dish lid
  • incubate for 24 hours and measure the clear zone