Quiz 4
Quiz by ALBIE JR. S. FIAROQUE
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- Q1
Microorganisms that utilize organic compounds as sole carbon source are called:
Heterotrops
Autotrops
Chemotrops
No correct answer
15s - Q2
Which among the following is essential for the synthesis of nucleic acids and proteins?
Nitrogen
Calcium
Iron
Potassium
15s - Q3
Organisms that strictly require oxygen for growth are called:
Aaerobes
Obligate anaerobes
capnophiles
Facultative anaerobes
15s - Q4
Most medically important bacteria have these characteristics, EXCEPT
neutrophiles
Thermophiles
Mesophiles
Facultative
15s - Q5
If the extracellular salt concentration is increased, what will happen to the bacteria
It will shrink and die
It will remain the same
It will swell and rupture
It will increase in size
15s - Q6
A chemical component of endospore that allow them to survive adverse environmental conditions
Iron
Potassium
Magnesium
Calcium
15s - Q7
Organisms that require high osmotic pressure for optimal growth
Users enter free textType an Answer15s - Q8
Log phase is characterized by endospore activity of the bacteria
falsetrueTrue or False15s - Q9
Gram-positive organisms may become gram-negative organisms in this phase.
Users enter free textType an Answer15s - Q10
Carbon makes up the structural backbone or skeleton of all organic molecules.
truefalseTrue or False15s