Microorganisms Friends and Foe

What are Pathogens ?

• Disease causing microorganisms

• Viral disease causing microorganisms

• Bacterial disease causing microorganisms

• None of the above

Blue green algae fix ........directly from air to enhance fertility of soil

The most common carrier of communicable diseases is

• Housefly

• Ant

• Spider

• Dragonfly

Carrier of Malaria causing protozoan is

• Housefly

• Female Anopheles Mosquito

• Cockroach

• Mosquito

The process of conversion of sugar into Alcohol is callef

• Fermentation

• Infection

• Moulding

• Nitrogen fixation

What is Pasteurisation of milk?

When a disease carrying microbe enters our body, the human body produces Antibodies to fight the invader.

• YES

• NO

• Both wrong but Antibiotics are used

• All Options are correct

Antibiotics should be taken only on the advice is a qualified Doctor.

Microorganisms like Amoeba can live alone, while Fungiand Bacteria may live in Colonies .

• YES

• NO

Microorganisms are classified into major groups ?

• 4

• 3

• 2

• Only Bacteria and Virus