Harmful Natures Of Microbes

Which of the following pairs of diseases is caused by bacteria?

• Herpes and influenza

• Tetanus and mumps

• Typhoid and smallpox

• Cholera and tetanus

Are there useful micro-organisms in food an beverages and if so what are they?

This disease is caused by a protozoan...

• Influenza

• Syphilis

• Blastomycosis

• Babesiosis

Are all bacteria harmful?

The trophozoite of Entamoeba histolytica feed on...

• only mucosa and submucosa of the colon

• erythrocytes, mucosa and submucosa of the colon

• Only blood

• intestinal food

Microorganisms can prove very harmful to us, as they cause a number of diseases in human, plants and animals.

• True

• False

Human immunodeficiency virus first destroys these cells...

• leucocytes

• B-lymphocytes

• thrombocytes

• helper T-lymphocytes

The motile zygote of Plasmodium is found in...

• Human liver

• Human RBCs

• salivary glands of female Anopheles

• the gut of female Anopheles

Infectious protein is a characteristic of...

• satellite viruses

• viroids

• prions

• gemini viruses

Which of the following gets killed by lysozyme present in saliva and tears?

• some of the fungi

• virus-infected cells

• All viruses

• some of the bacteria