Question

Which one of these statements about bacteria is true?

• A. All types of bacteria give food poisoning.
• B. Freezing makes food last longer by killing bacteria.
• C. Bacteria grow fastest when they are warm.
• D. All bacteria need air to survive.

Answer 1

The correct option is C Bacteria grow fastest when they are warm.

At 37°C bacteria start growing but start multiply between 5°C and 63°C.

at room temperature, if the food is left out for any more than two hours. bacterial growth will be rapid. all types of bacteria won't give food poisoning.

Freezing does not kill bacteria only their growth stops.

Some bacteria can survive even without air like in food gravy and sauces.

So, the correct answer is 'Bacteria grow fastest when they are warm'