Experiment: A fungal culture was grown at 10°C, 25°C, and 40°C. Growth diameter was measured every day.Observation: Maximum growth occurred at 25°C; very little at 10°C and 40°C.Question: What can be concluded?
Correct answer: C. There is an optimal temperature for fungal growth.
- A. Fungi grow best at very high temperatures.
- B. Cold promotes fungal reproduction.
- C. There is an optimal temperature for fungal growth.
- D. Temperature has no impact on fungi.
Explanation
The correct answer is 'There is an optimal temperature for fungal growth' because the experiment showed that maximum growth occurred at 25°C, suggesting that this temperature is ideal for fungal growth. The other options are incorrect because they do not align with the observation from the experiment.
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About Scientific Reasoning
Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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