Question 9 (1 point)
Difference between liquid and solid growth media is:
Question 9 options:
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Higher proportion of nutrients in solid growth media |
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Higher proportion of agar in liquid growth media |
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Higher proportion of nutrients in liquid growth media |
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Presence of agar in liquid growth media |
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Higher proportion of agar in solid growth media |
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Presence of agar in solid growth media |
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Question 10 (1 point)
Why do we recommend working quickly with agar containing growth
media bottle?
Question 10 options:
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Because agar solidifies at and below 40ºC |
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Because agar solidifies at and below 25ºC |
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Because agar melts at and above 40ºC |
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Because agar solidifies at and above 40ºC |
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Question 11 (1 point)
The sterilizing agent in an autoclave is:
Question 11 options:
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Water at 121ºC and 15 p.s.i pressure |
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Water at 100ºC and 15 p.s.i pressure |
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Steam at 100ºC and 15 p.s.i pressure |
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Steam at 121ºC and 15 p.s.i pressure |
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Question 12 (6 points)
Classify the methods as sterilization or disinfection
methods:
Question 12 options:
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