Introduction to Bacteriology

The scientific study of micro-organisms is known as:

• pathology

• biology

• bacteriology

• genealogy

Bacteria are one-celled micro-organisms of:

• animal origin

• vegetable origin

• mineral origin

• chemical origin

Pathogenic bacteria are especially numerous:

• on a clean body

• on sterile implements

• in dirty places

• on clean towels

Pathogenic bacteria produce:

• health

• disease

• antitoxins

• beneficial effects

Harmful bacteria are referred to as:

• saprophytes

• pathogenic

• non-pathogenic

• protozoa

Non-pathogenic bacteria are:

• harmful

• germs

• harmless

• disease producing

Pathogenic bacteria are commonly known as:

• antiseptics

• disinfectants

• germs or microbes

• beneficial bacteria

Bacteria are best seen with the aid of:

• a microscope

• a telescope

• regular sunglasses

• sunglasses

Cocci are bacteria with a:

• round shape

• rod shape

• corkscrew shape

• curved shape

Bacilli are bacteria with a:

• corkscrew shape

• round shape

• rod shape

• curved shape