Microbial Techniques

Question 1

sterile

Answer 1

a term used to describe something that is free from living microorganisms and their spores

Question 2

nutrient medium

Answer 2

a substance used for the culture of microorganisms, which can be in liquid form (nutrient broth) or in solid form (usually nutrient agar)

Question 3

nutrient broth

Answer 3

a liquid nutrient for culturing microorganisms, commonly used in flasks, test tubes or bottles

Question 4

liquid culture

Answer 4

growing microorganisms in a nutrient broth in a flask or test tube rather than on an agar plate

Question 5

nutrient agar

Answer 5

a jelly extracted from seaweed and used as a solid nutrient for culturing microorganisms, commonly used in Petri dishes

Question 6

selective medium

Answer 6

a growth medium for microorganisms containing a very specific mixture of nutrients, so only a particular type of microorganism will grow on it

Question 7

inoculation

Answer 7

the process by which microorganisms are transferred into a culture medium under sterile conditions