Photosynthesis Practice 1

3. What are the products of photosynthesis?

• Glucose and Chlorophyll

• Water and Light energy

• Glucose and Oxygen

• Carbon dioxide and Water

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5. Why do plants conduct photosynthesis?

• To make light

• To make glucose

• To make mitochondria

• To release carbon dioxide

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10. What is the green pigment that "traps" sunlight?

• Chlorophyll

• Photosynthesis

• Chloroplasts

• ATP

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12. What are the reactants in this reaction?

• carbon dioxide and water

• sugar and oxygen

• sunlight and chlorophyll

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16. What scientific law states that matter cannot be created or destroyed in a chemical reaction?

• Law of Conservation of Energy

• Law of Universal Gravitation

• Law of Conservation of Mass

• Law of Motion

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What is the name of the simple sugar that is produced in photosynthesis?

• Sucrose
• Dextrose
• Glucose
• Lactose

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If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?

• Absorbing of carbon dioxide through the air

• Filtration of water through the soil

• Photosynthesis

• Water absorption through the soil

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Is Glucose (C₆H₁₂O₆) a Reactant or Product of Photosynthesis?

• Product

• Reactant

• Neither

• What's Photosynthesis?

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True or False: In photosynthesis the amount of glucose and oxygen produced equals the amount of water and carbon dioxide used

• false- there is less glucose than the mass of the carbon dioxide and water due to heat loss

• false- there is more glucose than carbon dioxide due to the concentration of atoms

• true due to the Law of Conservation of Matter

• true due to the Atomic Theory

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7. Which of these conditions would decrease the rate of photosynthesis in a plant?

• Above average precipitation (rainfall)

• Increasing the amount of CO₂

• Changing the daylight hours from 14 hrs to 10 hrs

• All of these choices

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