Microorganisms (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which nutrients do microorganisms increase in soil?
Which nutrients do microorganisms increase in soil?
Nitrates and phosphates
What are beneficial microorganisms in intestines called when added to our diet?
What are beneficial microorganisms in intestines called when added to our diet?
Probiotics
Which is an example of a bacterial disease?
Which is an example of a bacterial disease?
Tuberculosis
What does a microbiome consist of?
What does a microbiome consist of?
All microorganisms in an environment
How does a baby initially acquire its microbiome?
How does a baby initially acquire its microbiome?
Birth canal and breast milk
How many cells are in the human microbiome?
How many cells are in the human microbiome?
About 100 trillion ()
What do bacteria in intestines break down during digestion?
What do bacteria in intestines break down during digestion?
Complex carbohydrates and dietary fibre
Which vitamins do intestinal bacteria produce?
Which vitamins do intestinal bacteria produce?
B1, B9, B12 and K
What happens during the lag phase of microbial growth?
What happens during the lag phase of microbial growth?
Numbers stay constant, adapting occurs
What characterises the log phase of growth?
What characterises the log phase of growth?
Number doubles each generation
What causes the stationary phase in microbial growth?
What causes the stationary phase in microbial growth?
Lack of resources or unsuitable conditions
Which growth phase do industries maintain microorganisms in for maximum activity?
Which growth phase do industries maintain microorganisms in for maximum activity?
Log phase