Biology CLEP Prep Practice Exam

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Prepare for the Biology CLEP Test with comprehensive flashcards and multiple choice questions. Each question comes with explanations and hints to ensure a full understanding. Boost your exam readiness today!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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An example of an environmental factor that can affect the rate of photosynthesis in a plant is:

Humidity
Oxygen concentration
Air temperature
Amount of light

The correct answer is: Amount of light

Photosynthesis is a process that allows plants to convert sunlight into energy. Light is an essential factor in this process because plants use chlorophyll to absorb light and produce sugars. The other options, humidity, oxygen concentration, and air temperature do play a part in the overall health and growth of plants, but they do not directly affect the rate of photosynthesis. Humidity can affect the plant's ability to retain water and maintain turgidity, while oxygen concentration and air temperature can impact the plant's respiration. Therefore, the amount of light is the most critical environmental factor for the rate of photosynthesis in a plant.