Natural Science CLEP Prep Practice Exam

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Prepare for the CLEP Natural Science Exam with our comprehensive study materials and practice questions. Test your knowledge and ace the exam by mastering key concepts.

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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What is the main product of photosynthesis?

Oxygen
Water
Glucose
Carbon dioxide

The correct answer is: Glucose

Photosynthesis is the process by which plants use energy from the sun to convert carbon dioxide and water into glucose, a simple sugar, and oxygen as a byproduct. This glucose is the primary product of photosynthesis and serves as the basic building block for the plant's growth and energy. While oxygen is produced during photosynthesis, it is not the main product as it serves more as a waste product. Water and carbon dioxide are also essential components in photosynthesis, but they are not the main product that is produced. This is why the correct answer is C, glucose.