Growth and Nutrition of Bacteria - Section 1 | Multiple Questions and Answers

11.	The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to the organism's requirements is a statement of

	A.	Liebig's law of the minimum
	B.	Shelford's law of tolerance
	C.	Quorum sensing
	D.	Heisenberg's principle of uncertainty

12.	The growth is normally expressed as __________ in turbidimetric measurement

	A.	Cells per ml
	B.	cfu/ml
	C.	optical density
	D.	mg N2 /ml

13.	Which of the following organisms typically get their carbon for biosynthesis from carbon dioxide?

	A.	Glucose-fermenting bacteria (fermentation)
	B.	Anaerobic, glucose-respiring bacteria (anaerobic respiration)
	C.	Aerobic, glucose-respiring bacteria (aerobic respiration)
	D.	Ammonia-oxidizing bacteria (chemolithotrophic bacteria)

14.	An organism that expends energy to grow in a habitat with a low water activity in order to maintain internal solute concentrations to retain water is

	A.	osmotolerant
	B.	acidophile
	C.	aerotolerant anaerobe
	D.	alkalophile