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photoshop1234 [79]
3 years ago
14

Of the following experimental results, which is the best evidence that photosynthesis is more efficient at certain wavelengths o

f light than at others? a. The absorbance spectrum of leaves had high peaks of absorbance in the red and blue regions of the spectrum.
b. Purified photosyntheic pigments were found to absorb light mostly in the red and blue area.

c. When placing motile bacterium dependent on oxygen in suspension with filamentous algae that were illuminated with a projected spectrum, the bacteria were found to cluster around red and blue regions.

d. Chromatography of leaf extracts revealed pigments of different colors.

e. All of the Above
Biology
1 answer:
GarryVolchara [31]3 years ago
5 0

Answer:

The correct answer will be option-C

Explanation:

The plant absorbs the sunlight to perform photosynthesis which helps produce the sugar molecule used by the plants.

The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

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