Understanding Photosynthesis Basics

What is the primary purpose of photosynthesis in plants?

• To produce oxygen

• To convert light energy into chemical energy

• To absorb carbon dioxide

• To release water vapor

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Which organelle in plant cells is responsible for photosynthesis?

• Mitochondria

• Nucleus

• Chloroplast

• Ribosome

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What are the main products of the photosynthesis process?

• Glucose and oxygen

• Carbon dioxide and water

• Glucose and carbon dioxide

• Oxygen and water

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Which pigment is primarily responsible for absorbing light during photosynthesis?

• Carotene

• Xanthophyll

• Chlorophyll

• Anthocyanin

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What is the chemical equation for photosynthesis?

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In which part of the chloroplast does the light-dependent reaction occur?

• Stroma

• Thylakoid membrane

• Outer membrane

• Inner membrane

What is the role of water in the photosynthesis process?

• It acts as a source of carbon

• It provides electrons and protons

• It absorbs light energy

• It stores energy

Which gas is absorbed by plants during photosynthesis?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

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What is the name of the cycle in which carbon dioxide is fixed into glucose?

• Krebs cycle

• Calvin cycle

• Glycolysis

• Electron transport chain

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Which of the following factors does NOT affect the rate of photosynthesis?

• Light intensity

• Carbon dioxide concentration

• Oxygen concentration

• Temperature