PSLE Science: Fungi and Bacteria Quiz

What was the main focus of the experiment conducted by David with the bread slices?

• To see how different types of bread affect mold growth.

• To test the effect of light exposure on bread mold.

• To observe the impact of different water amounts on bread mold formation.

• To determine the effect of temperature on bread mold growth.

How many days did it take for mold to form on bread slice P when no water was added?

• 6 days

• 4 days

• 14 days

• 10 days

What pattern was observed as the amount of water sprinkled on the bread increased?

• The bread dried out completely.

• The bread remained mold-free.

• The number of days for mold to form increased.

• The number of days for mold to form decreased.

Based on the pattern observed, how many days should it take for mold to form on bread slice R?

• 16 days

• 12 days

• 6 days

• 2 days

Which option was identified as the correct prediction for the number of days needed for mold to form on bread slice R?

• Option 4: 16 days

• Option 2: 2 days

• Option 1: 6 days

• Option 3: 12 days