Impact of Light Exposure on Plant Growth Hypotheses

Medium Conflicting Viewpoints Comparing Hypotheses

Researchers conducted a study to understand the impact of light exposure on plant growth. Two hypotheses were proposed:

Hypothesis 1: Plants exposed to continuous light will grow taller than those exposed to regular light/dark cycles.

Hypothesis 2: Plants exposed to regular light/dark cycles will grow taller than those exposed to continuous light due to the necessity of a dark period for physiological processes.

Which hypothesis is supported by the prevailing theories of plant biology regarding photosynthesis and plant growth?

Hypothesis 1, because plants need constant light to maximize photosynthesis.

Hypothesis 2, because the dark period is crucial for cellular respiration.

Both Hypotheses are equally valid and cannot be compared.

Neither Hypothesis is valid because light has no effect on plant growth.

Hint

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