Multiple Choice
What type of energy does a plant use to convert \( \mathrm{CO_2} \) and \( \mathrm{H_2O} \) into sugar during photosynthesis?
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9. Photosynthesis
Introduction to Photosynthesis
Multiple Choice
Which organelle in plant cells is the primary site of glucose synthesis during photosynthesis?
A
Mitochondrion
B
Nucleus
C
Chloroplast
D
Ribosome
Verified step by step guidance1
Step 1: Understand the process of photosynthesis. Photosynthesis is the process by which plants convert light energy into chemical energy stored in glucose. This process primarily occurs in plant cells.
Step 2: Identify the organelle responsible for photosynthesis. The chloroplast is the organelle in plant cells that contains chlorophyll, a pigment that captures light energy necessary for photosynthesis.
Step 3: Recall the key reactions of photosynthesis. Photosynthesis occurs in two main stages: the light-dependent reactions and the Calvin cycle (light-independent reactions). Both stages take place within the chloroplast.
Step 4: Recognize the role of the chloroplast in glucose synthesis. During the Calvin cycle, carbon dioxide is fixed into organic molecules, ultimately forming glucose. This process occurs in the stroma of the chloroplast.
Step 5: Eliminate other organelles as incorrect answers. The mitochondrion is involved in energy production (cellular respiration), the nucleus houses genetic material, and the ribosome is responsible for protein synthesis. None of these are directly involved in glucose synthesis during photosynthesis.
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