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If temperature is changed and germination time is measured what will germination time be?

Answer and explanation

Correct answer: Dependent variable

Direct answer: Option C, dependent variable. The independent variable is the factor deliberately changed; here it is temperature. The dependent variable is the outcome measured to see the effect of that change; here it is germination time. The reasoning is: change temperature, observe when germination occurs, record the time, and compare the times. Because the time is measured and may depend on temperature, it is the dependent variable. Option A is wrong because a controlled variable is kept constant, not the measured time. Option B is wrong because temperature is the changed factor, so it is independent. Option C is correct because germination time is the measured outcome. Option D is wrong because a safety rule is an instruction, not an experimental variable. Memory cue: “changed cause = independent; measured effect = dependent.”

Related tags

Germination TimeDependent VariableTemperatureHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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