Hugo is repeating some of Ingenhousz’s experiments. He observes plants giving off oxygen under some light. He increases the brightness of the light.

Question

What will Hugo observe?

Responses

The plant will give off the same amount of oxygen.
The plant will give off the same amount of oxygen.

The plant will stop giving off any gases.
The plant will stop giving off any gases.

The plant will give off more oxygen.
The plant will give off more oxygen.

The plant will start giving off carbon dioxide.
The plant will start giving off carbon dioxide.

Answer 1

Hugo will observe that the plant will give off more oxygen.

As light intensity increases, the rate of photosynthesis also increases, leading to greater production of oxygen until other factors become limiting (such as carbon dioxide levels or temperature).