Unit 4 STAAR Review (Cellular Energy Conversions)

Which of the following molecules are needed for photosynthesis?

• light and oxygen

• carbon dioxide and oxygen

• water and carbon dioxide

• glucose and oxygen

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NGSS.MS-LS1-6

Which statement explains how consumers depend upon producers for their survival?

• Producers make glucose and carbon dioxide for consumers to use during cellular respiration.

• Producers make glucose and oxygen for consumers to use during cellular respiration.

• Producers require glucose and oxygen that consumers make during cellular respiration.

• Producers require oxygen and carbon dioxide that consumers make during cellular respiration.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which process has oxygen as a product and which has oxygen as a reactant?

• producers; consumers

• consumers; producers

• cellular respiration; photosynthesis

• photosynthesis; cellular respiration

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NGSS.HS-LS1-7

Which statement describes the relationship between the reactants of photosynthesis and the products of cellular respiration?

• The products of cellular respiration are the products of photosynthesis

• The products of cellular respiration serve as the reactants of photosynthesis

• The reactants of cellular respiration are the reactants of photosynthesis

• Cellular respiration and photosynthesis are unrelated

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NGSS.HS-LS2-5

What is the main source of energy in photosynthesis?

• carbon dioxide

• glucose

• light

• oxygen

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NGSS.MS-LS1-6

The concept map below shows the flow of energy and materials in photosynthesis and cellular respiration.

Which molecules are represented in the figure by the number 2?

• H₂O and O₂

• H₂O and CO₂

• sugars and O₂

• sugars and CO₂

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

Which of the following represents the process of photosynthesis?

• C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O

• 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

• 2 H₂O → 2 H₂ + O₂

• 2 H₂ + O₂ → 2 H₂O

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does the following word equation represent?

Glucose + Oxygen --> Carbon Dioxide + Water + Energy

• photosynthesis

• regeneration

• cellular respiration

• transpiration

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

When plants undergo photosynthesis, a reaction produces sugar, oxygen, and water. During respiration, stored energy from the products of photosynthesis is converted to usable energy. In what form is the energy stored prior to use in respiration?

• chemical energy

• kinetic energy

• light energy

• heat energy

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

Cells in the body use oxygen (O₂) for cellular respiration. Which is the result of cellular respiration?

• ATP is produced and carbon dioxide (CO₂) is released

• ATP is consumed and carbon dioxide (CO₂) is released

• ATP is produced and carbon dioxide (CO₂) is absorbed

• ATP is consumed and carbon dioxide (CO₂) is absorbed

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NGSS.MS-LS2-3

NGSS.MS-LS1-3