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What can be observed to determine plant growth?

Answer and explanation

Correct answer: Height over time

The direct answer is C: height over time. Plant growth means a measurable increase or other change in size as time passes. To investigate it, first choose a fixed starting point, such as the soil level, then measure the plant with the same ruler at regular intervals and compare the readings. If the height rises, this is evidence of growth. Option A, flower beauty, is subjective and may change without showing the whole plant’s growth. Option B, pot colour, describes the container, not the plant. Option C is correct because height is measurable and comparing it over time shows change. Option D, the gardener’s choice, is an opinion and provides no measurement. Use the exam cue: growth is shown by measurable change with time.

Related tags

Plant GrowthHeight Over TimeObservationScientific Questions And ObservationsExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScienceClass 9 Mcq

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