Wavelength Effect on Photosynthesis Rates

Hard Data Representation Interpreting Experimental Data

A study was conducted to investigate the effect of different wavelengths of light on the rate of photosynthesis in aquatic plants. Researchers placed three different types of aquatic plants in separate tanks, each exposed to specific light wavelengths: Red (640 nm), Blue (450 nm), and Green (520 nm), for a duration of two hours. They measured the rate of photosynthesis by counting oxygen bubbles produced by the plants during this time.

The data collected is as follows:

Red light: 120 bubbles
Blue light: 180 bubbles
Green light: 90 bubbles

Based on these results, which conclusion best explains the effect of light wavelength on the rate of photosynthesis?

Photosynthesis rates are highest under blue light, indicating it is the most effective wavelength for aquatic plants.

Green light promotes the highest rate of photosynthesis, making it the most efficient wavelength.

Red light is significantly more effective than both blue and green light in enhancing photosynthesis.

The rate of photosynthesis is unaffected by light wavelength, as all treatments produced similar results.

Hint

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