Question

1. Explain the following experiments with a neat labeled diagram.
a. Engelmann's action spectrum experiment.
b. Jon Ingenhousz's aquatic plant experiment.​

Answer 1

Answer:

Theodor Wilhelm Engelmann (14 November 1843 – 20 May 1909) was a German botanist, physiologist, microbiologist, university professor, and musician whose 1882 experiment measured the effects of different colors of light on photosynthetic activity and showed that the conversion of light energy to chemical energy took ...

2)Ingenhousz followed up on this work by placing plants in a transparent container and submerging them in water. He noticed that, following exposure to sunlight, little bubbles appeared on the undersides of the plants' leaves. Bubbles eventually stopped being produced, however, when the plants were placed in the dark.

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