Photosynthesis Review

What process makes glucose in plant cells?

• Photosynthesis

• Cellular respiration

• Osmosis

• Transpiration

Answer explanation

Photosynthesis uses light energy to make glucose

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What organelle is responsible for photosynthesis?

• mitochondria

• chloroplast

• ribosomes

• cytoplasm

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Fill in the chemical equation for photosynthesis:

​ (a)   ​ (b)   ​ (c)  

• Carbon dioxide + Water
• -- Light -->
• Oxygen + Glucose
• Water + Oxygen

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What are the round membrane disks inside the chloroplast where the light reactions take place?

• Thylakoids

• Cristae

• Ribosomes

• Cytoplasm

Answer explanation

The thylakoids are membranes containing chlorophyll where the light reactions take place.

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Photosynthesis is broken down into two parts - first the ​ (a)   create ATP and NADPH. Second the ​ (b)   uses carbon dioxide to make ​ (c)   .

• light reactions
• Calvin cycle
• glucose
• water

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Select all that apply: How do plants use the glucose that they make in photosynthesis?

• They break it down for energy

• They use it to make their cell walls

• They use it for locomotion

• They convert it into polypeptides

Answer explanation

Plants use glucose for cellular respiration, just like animals.

Plants also use their glucose to make cellulose to build cell walls.

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Match the following parts of the cell to their functions:

• Thylakoids

• Membrane in the chloroplast where light reactions occur

• Chloroplast

• Green pigment that absorbs light energy

• Stroma

• Organelle responsible for photosynthesis in plants

• Chlorophyll

• Space in the chloroplast where the Calvin Cycle occurs

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Select all that apply: What kinds of organisms can do photosynthesis?

• Plants (with chloroplasts)

• Animals

• Bacteria (with chlorophyll)

• Fungi

Answer explanation

Chloroplasts likely evolved from photosynthetic bacteria - bacteria with chlorophyll in their membranes.

Organisms with chlorophyll or chloroplasts can do photosynthesis.

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Fill in the equation for photosynthesis:

​ (a)   + Water --​ (b)   --> ​ (c)   + Glucose

• Carbon dioxide
• Light
• Oxygen

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Which part of photosynthesis is most similar to the electron transport chain in cellular respiration?

• the Calvin Cycle

• the Light Reactions

• the Citric Acid Cycle

• the Hardy-Weinberg equilibrium