Kaplan Nursing Entrance Practice Exam 2025 – The All-in-One Guide to Exam Success!

Chlorophyll plays a vital role in the process of photosynthesis, the mechanism by which plants, algae, and some bacteria convert light energy into chemical energy. The primary function of chlorophyll is to absorb light energy, particularly in the blue and red wavelengths of the light spectrum. This absorbed light energy is then utilized to convert carbon dioxide and water into glucose and oxygen, effectively providing energy for the plant and contributing to overall energy flow in ecosystems.

While energy storage, water transport, and ATP generation are important processes within plant physiology, they are not the primary role of chlorophyll. Energy storage occurs primarily in the form of glucose or starch after the light energy has been captured and converted. Water transport is managed by other structures within the plant, such as xylem and phloem. ATP generation occurs as part of the light-dependent reactions and the following Calvin cycle, which utilize the energy captured by chlorophyll but is not the direct function of chlorophyll itself.