2. A culture medium is a compound , which has
constituents that are essential for life ,
multiplication and growth of micro-organisms.
1) Nutrients
2) Mineral salts
3) suitable pH
4)Accessory growth factors
3.
4. (A) LIQUID MEDIUM:
1) Peptone water
2) Nutrient Broth
(B) SOLID MEDIUM:
1) Nutrient agar
5. Simple media
Enriched media
Differential media
Selective media
Transport media
6. Consists of only basic substances such as,
nitrogen , carbon , minerals.
EXAMPLES:
Nutrient broth
Nutrient agar
Peptone water
7. Some enriched material like blood and serum is
added to the medium , required for proper
growth of some bacteria
EXAMPLES:
Blood agar
Chocolate agar
8. This type of media is used to differentiate
between two groups of bacteria .
EXAMPLES:
MacConkey’s medium
9. An inhibitory substance is added to the media
which prevents growth of all organisms except
the one for which it is designed.
EXAMPLES:
Loweistein jensen’s
medium
10. A media used to transport specimen to keep
the organism alive
EXAMPLES:
AMIE’s medium