Photosynthesis and Cellular Respiration Quiz (20questions)

What is the main pigment involved in photosynthesis?

• Hemoglobin

• Chlorophyll

• Melanin

• Keratin

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Which organelle is responsible for carrying out photosynthesis in plant cells?

• Mitochondria

• Chloroplast

• Nucleus

• Ribosome

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What is the correct chemical equation for photosynthesis?

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Which process occurs in the mitochondria of cells?

• Photosynthesis

• Cellular respiration

• Protein synthesis

• DNA replication

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What is the main function of xylem in plants?

• Transporting sugars

• Transporting water and minerals

• Storing food

• Producing seeds

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Which of the following best describes the function of phloem?

• Absorbs sunlight

• Transports water from roots to leaves

• Transports sugars from leaves to other parts of the plant

• Provides structural support

What is the main purpose of cellular respiration?

• To produce oxygen

• To convert glucose into usable energy (ATP)

• To absorb sunlight

• To make proteins

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Which of the following is a product of cellular respiration?

• Glucose

• Oxygen

• Carbon dioxide

• Water vapor only

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Which step of cellular respiration produces the most ATP?

• Glycolysis

• Krebs cycle

• Electron transport chain

• Fermentation

Which of the following best explains why plants are important to ecosystems?

• They provide shelter for animals only.

• They produce oxygen and food through photosynthesis.

• They absorb carbon dioxide and release nitrogen.

• They only provide shade.

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