Question 1
What pH conditions favor the growth of most bacteria?
◦ pH 5
◦ pH 9
◦ pH 2
◦ pH 7
◦ Bacteria can grow at all ranges of pH.
Question 2
Which of the following conditions will support the greatest diversity of microbes?
◦ moderately moist soil with lots of organic compounds
◦ mostly dry soil with lots of organic compounds and acidic conditions
◦ waterlogged with little mineral content
◦ alternating moist and dry with alkaline conditions
◦ alternating moist and dry soil with high salt content