PART C: DATA ANALYSIS Learners wanted to investigate the effect of different antibioties on the
growth of certain bacterial species. They set up nutrient agar plates as
shown below. They placed sterile discs containing three different
antibiotics on each of the plates.
4
-Teel
clown
Anthetic 1
Antti
1. State a hypothesis for the investigation
(2)
-Filan
Reproo
2. What is an antbloc?
is a type of antimicrobial substance active
against bacterie
10-09
3. What is the function of agar plates?
(2)
yra
y ever
living
4. Mention one precaution that the learners would have taken to
ensure that their results were valid
(2)
O, N₂
5. State the dependent variable
(3)​