Its turgor pressure decreases. Its atmospheric pressure decreases. Its rate of transpiration increases. Its rate of photosynthesis increases.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement best explains what happens to a leaf when it has lost much-needed water?
Possibilities:
- Its turgor pressure decreases.
- Its atmospheric pressure decreases.
- Its rate of transpiration increases.
- Its rate of photosynthesis increases.

Its turgor pressure decreases.