EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three of the following can kill bacteria, but one can only help control it. Which one?
A
Bleach
B
Alcohol
C
high temperatures
D
refrigeration
Explanation: 

Detailed explanation-1: -Some foods need to be kept in the fridge to help stop or slow down bacterial growth and keep them fresh and safe for longer. Generally, the colder the temperature the slower bacteria will grow, but cold temperatures don’t always stop bacteria growing altogether.

Detailed explanation-2: -Proper heating and reheating will kill foodborne bacteria. However, some foodborne bacteria produce poisons or toxins that are not destroyed by high cooking temperatures if the food is left out at room temperature for an extended period of time.

Detailed explanation-3: -HEAT-The easiest, effective way to control microbial growth is to use a FLAME. BOILING-Will not kill bacterial spores, so may not be sterile. AUTOCLAVE-Spores are killed with exposure to autoclave. OVEN-Oven use dry heat.

Detailed explanation-4: -Temperature. High temperature. Moist heat. Autoclaving. Boiling water. Dry heat. Hot air sterilization. Incineration. More items

There is 1 question to complete.