Question

Jams, jellies, preserves, honey, and other foods with high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. This is because bacteria that encounter such an environment ____.
A) undergo death as a result of water loss from the cell
B) are unable to metabolize the glucose or fructose, and thus starve to death
C) are obligate anaerobes
D) are unable to swim through these thick and viscous materials

Answer 1

The correct answer is (A)

Explanation:

• The reason why jam, jellies are preserved with high sugar content because it makes the jam and jellies free from bacteria or other microorganisms.

• Bacteria when goes into the environment which had a high sugar content, gets killed, which happens due to the loss of water from the cell.
• This is the reason why, not even jams and jellies had a high sugar content but pickle also had a high salt content so as to preserve it from bacteria.