Multiple Choice
Which of the following best describes the primary functions of Photosystem I and Photosystem II in the light-dependent reactions of photosynthesis in plants?
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9. Photosynthesis
Introduction to Photosynthesis
Multiple Choice
Which of the following best describes photosynthesis?
A
A process by which plants absorb nutrients from the soil.
B
A process by which fungi decompose organic matter.
C
A process by which plants convert light energy into chemical energy in the form of glucose.
D
A process by which animals break down food to release energy.
Verified step by step guidance1
Step 1: Begin by understanding the concept of photosynthesis. Photosynthesis is a biological process used by plants, algae, and some bacteria to convert light energy into chemical energy stored in glucose molecules.
Step 2: Identify the key components involved in photosynthesis. These include sunlight, carbon dioxide (CO₂), water (H₂O), and chlorophyll (the pigment in plants that captures light energy).
Step 3: Break down the chemical reaction of photosynthesis. The general equation is: . This shows that carbon dioxide and water, in the presence of sunlight, produce glucose and oxygen.
Step 4: Compare the options provided in the problem. Eliminate incorrect choices by matching the description of photosynthesis to the correct biological process. For example, fungi decomposing organic matter is not photosynthesis, and animals breaking down food is cellular respiration.
Step 5: Select the correct answer: 'A process by which plants convert light energy into chemical energy in the form of glucose,' as this accurately describes photosynthesis.
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