Microorganisms friends and foe

Who discovered Penicillin?

• Leeuwenhoek

• Alexander Fleming

• Robert Hooke

• Robert Brown

Microorganisms are found in all kind of environment.

• True

• False

3.Chikungunya is caused by mosquito.

• True

• False

Communicable diseases are ____________disease.

• Transmissible

• Infectious

• Both

• None of the above

Biological agent that causes disease or illness to its host is called _______

• Bacteria

• Virus

• Human

• Pathogen

Which carry disease?

• Mosquito

• Dog

• Carriers

• House fly

Amoeba is a

• Virus

• Bacteria

• Protozoa

• Fungi

Scientist who discovered fermentation is

• Alexander Fleming

• John Mendal

• Louis Pasteur

• Edward Jenner

Rhizobium bacteria help in

• Nitrogen fixation

• cause disease

• help in digestion

• None of the above

Which bacteria help in settling of curd?

• Rhizobium

• Lactobacillus

• Vibrio cholerae

• Bacillus