Grow a Bacteria Culture (Leaving Cert Agricultural Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary purpose of methylated spirits in this practical?
What is the primary purpose of methylated spirits in this practical?
Sterilising the inoculating loop
What does nutrient agar provide for bacteria?
What does nutrient agar provide for bacteria?
Food for bacterial growth
What colour should the inoculating loop glow when properly sterilised?
What colour should the inoculating loop glow when properly sterilised?
Red-hot
How long should the inoculating loop cool before collecting soil?
How long should the inoculating loop cool before collecting soil?
30 seconds
At what angle should you open the petri dish lid during inoculation?
At what angle should you open the petri dish lid during inoculation?
45 degrees
What is the purpose of Plate B in this experiment?
What is the purpose of Plate B in this experiment?
Control to verify no contamination
What temperature should the incubator be set to?
What temperature should the incubator be set to?
Why are the petri dishes placed upside-down in the incubator?
Why are the petri dishes placed upside-down in the incubator?
Prevents condensation dripping on agar
How do bacterial colonies typically appear on agar?
How do bacterial colonies typically appear on agar?
Small, round, often coloured spots
What does the term 'inoculation' mean?
What does the term 'inoculation' mean?
Introducing microorganisms to medium