Guard cells are the specialized cells, which are present around stomata (tiny holes/openings on the leaves) in plants.
These cells regulate the opening and closing of stomata, which help in the exchange of gases and loss of water in the atmosphere that is transpiration.
Thus, it can be concluded that guard cells help in controlling the size of stomata.
Answer: Can not get carbohydrates and will die from the lack of energy!
Explanation: The plant will be unable to produce carbohydrates and will die quickly from the lack of energy and because green light is not absorbed by the photosynthetic pigments.
