Question

Please describe 2 types of physical and 2 types of chemical control of microbes, providing an example of each.

Answer 1

Control of microbes :-- As we know that how bacterial world can be beneficial as well as nuisance elements for us.

Most famous physical type of control of mibrkbes are :--

1. Temperature :-- When we are diseases then suggestion given us that just drink boiled water.

Boiling temperature will destroy the bacterial cells with 95% effecient way. Boiling water like activity has daily application in human life.

2. Dessication :-- Dessication means Drying , if we are drying something and no water is there it means no bacterium is there. Water supports life. If water absent means pause in growth and life. Bacteria will not show growth in absence of water. Dessication is the way of control.

Chemical control :--

1. Antibiotics :-- These are the bacteria killers. They kill bacteria. Ex. Penicillin, Amoxicillin etc. Penicillin destroy the cell wall of bacteria.

2. Disinfectants :-- They are used to microbes from inanimate objects like any metal surfaces at home, to clean floor just added to the water to which it is to be cleaned.

Examples are Phenols, bleach, chlorine compunds , quartnary amonium salts.

Note :-- UV rays is non chemical disinfectant.