(SC.912.L.18.9)- CELLULAR ENERGY: PHOTOSYNTHESIS

Write the overall (balanced) equation for photosynthesis.

start with Carbon Dioxide

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ALD5

SC.912.L.18.9

What are the reactants in photosynthesis? (Write

the names).

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ALD5

SC.912.L.18.9

What are the products in photosynthesis? (Write

the names).

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ALD5

SC.912.L.18.9

Which of the following are needed for

photosynthesis to take place?

• carbon dioxide, oxygen, chloroplasts, light

• enzymes, sugar, carbon dioxide, water

• water, carbon dioxide, light, enzymes

• oxygen, water, sugar, light

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SC.912.L.18.9

ALD3

Both the reactants and products of photosynthesis contain carbon (C), hydrogen (H), and oxygen (O), but the products contain greater energy than the reactants. How can the products of photosynthesis have greater energy than the reactants?

• because the particles in the products move faster than in the reactants
• because the reaction increased the masses of the nuclei in the products.
• because after the products were exposed to sunlight their electical charges increased.
• because more energy is stored in the chemical bonds of the products than the reactants.

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ADL4

SC.912.L.18.9

Students are studying the rate of photosynthesis in bean plants. Which of the following enviornmental condition changes would MOST directly affect the photosynthetic activity of the plant cells?

• oxygen concentration in the air
• sugar concentration in the water
• carbon dioxide concentratiion in the air
• None of the above

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SC.912.L.18.9

ALD3

The diagram shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.
Which statement describes how photosynthesis and cellular respiration are related?

• Oxygen is a PRODUCT made during cellular respiration and stored during photosynthesis.

• Carbon dioxide and water are REACTANTS for photosynthesis and PRODUCTS for cellular respiration

• Photosynthesis releases the energy that is stored during the process of cellular respiration.
• Glucose is used as a REACTANT during cellular respiration to the PRODUCTS of food that is broken down during photosynthesis.

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SC.912.L.18.9

ADL4

Give two reasons why photosynthesis in plants slows down during the fall then virtually stops during

the winter.

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ALD5

SC.912.L.18.9

If ALL carbon dioxide was removed from a plant’s environment, what would you expect to happen to its

production of high-energy sugars?

(IF YOU CAN'T TELL ME WHY THIS QUESTION GETS NO CREDIT).

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SC.912.L.18.9

ALD5

Global warming is caused by having too many gases such as CO2 in the air. Why might

photosynthesis be helpful in reducing global warming?

(EXPLAIN WHAT IS PRODUCED IN IT'S PLACE AS WELL)

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ALD5