The concept of gaseous exchange during photosynthesis was established by the experiment using a plant and a bell jar. The experiment was conducted by Jan Ingenhousz in the 18th century. Here are the steps:

1. A plant was placed under a transparent bell jar.
2. The jar was placed in sunlight.
3. Ingenhousz observed that the plant produced bubbles in the presence of sunlight. These bubbles were oxygen.
4. When the jar was placed in the dark, the plant stopped producing bubbles.
5. Ingenhousz concluded that plants take in carbon dioxide and release oxygen in the presence of sunlight, a process now known as photosynthesis.

This experiment established the concept of gaseous exchange during photosynthesis.

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The concept of gaseous exchange during photosynthesis was established by the experiment using a plant and a bell jar. The experiment was conducted by Jan Ingenhousz in the 18th century. Here are the steps:

1. A plant was placed under a transparent bell jar.
2. The jar was placed in sunlight.
3. Ingenhousz observed that the plant produced bubbles in the presence of sunlight. These bubbles were oxygen.
4. When the jar was placed in the dark, the plant stopped producing bubbles.
5. Ingenhousz concluded that plants take in carbon dioxide and release oxygen in the presence of sunlight, a process now known as photosynthesis.

This experiment established the concept of gaseous exchange during photosynthesis.

Knowee AI · Accepted Answer

The concept of gaseous exchange during photosynthesis was established by the experiment using a plant and a bell jar. The experiment was conducted by Jan Ingenhousz in the 18th century. Here are the steps:

1. A plant was placed under a transparent bell jar.
2. The jar was placed in sunlight.
3. Ingenhousz observed that the plant produced bubbles in the presence of sunlight. These bubbles were oxygen.
4. When the jar was placed in the dark, the plant stopped producing bubbles.
5. Ingenhousz concluded that plants take in carbon dioxide and release oxygen in the presence of sunlight, a process now known as photosynthesis.

This experiment established the concept of gaseous exchange during photosynthesis.

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