A scientist performs an experiment by placing petroleum jelly on plant leaves, which blocks the leaves’ stomata. Which result would the scientist observe? (1 point)

Answer 1

The scientist would observe that the leaves with petroleum jelly covering their stomata would show reduced gas exchange. This would likely lead to decreased rates of photosynthesis, as carbon dioxide (CO2) cannot enter the leaf easily, and oxygen (O2) cannot exit. Consequently, the leaves may also exhibit signs of water stress, as transpiration would be hindered, leading to potential water accumulation or reduced moisture loss. In summary, the result would be decreased photosynthesis and possibly wilting or stress in the plant.