Question

If more carbon dioxide was made

available to a plant, what would be the
effect on the rate of photosynthesis?
A. The rate would be unaffected.
B. The rate would increase.
C. The rate would decrease.

Answer 1

Answer:

B. The rate would increase

Step-by-step explanation:

For land plants, water availability can function as a limiting factor in photosynthesis and plant growth. If the level of carbon dioxide in the atmosphere increases, more carbon dioxide could enter through a smaller opening of the stomata, so more photosynthesis could occur with a given supply of water.

Answer 2

B. The rate would increase.

Step-by-step explanation:

Increased carbon dioxide concentration increases the rate at which carbon is absorbed into the carbohydrate in an independent reaction, so the level of photosynthesis usually increases.

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