Cellular Respiration and Photosynthesis

How are cellular respiration and photosynthesis related, in terms of energy?

• The energy captured in photosynthesis is used to power cellular respiration.
• The energy transformed in cellular respiration is used to power photosynthesis.
• Photosynthesis and respiration perform the same task in terms of energy transformation
• Energy is not involved in either photosynthesis or cellular respiration.

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In which way are photosynthesis and cellular respiration different?

• Cellular respiration stores ATP, while photosynthesis releases ATP.
• Cellular respiration produces oxygen, while photosynthesis uses oxygen.
• Photosynthesis releases energy, while cellular respiration stores energy.
• Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.

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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 interrelated?

• Oxygen is produced during cellular respiration and stored during photosynthesis.
• Carbon dioxide and water released by cellular respiration are used in photosynthesis.
• Photosynthesis releases the energy that is stored during the process of cellular respiration.
• Glucose is used during cellular respiration to produce food that is broken down during photosynthesis.

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Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

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A potted plant is placed inside a clear, sealed vacuum container that has water pumped into it on a regular basis. The container is placed in the sun and the plant’s growth is monitored. Which statement best describes what will most likely happen to the plant over time?

• The plant will grow faster because it is sheltered from the wind.
• The plant will die because it does not have oxygen for photosynthesis.
• The plant will die because it does not have carbon dioxide for photosynthesis
• The plant will grow at a slower rate because it requires more water.

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Mike has four aquatic plants of the same size and the same species. He submerges the plants in a separate beaker filled with 200 ml of water. She then sets each beaker under a different intensity of light. Mike observes that, of the four plants, the plant in the beaker under the most intense light gives off the most gas bubbles in a 20 minute period.
Which of the following statements best explains Mike’s observations?

• Cells decompose most quickly under the most intense light.
• Water evaporates from plants faster under the most intense light.
• Photosynthesis occurs at the highest rate under the most intense light.
• Gases in the leaves of plants expand most under the most intense light

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Which process takes place in the presence of oxygen and produces nearly 20 times as much as ATP as glycolysis alone?

• photosynthesis
• lactic acid fermentation
• aerobic respiration
• alcoholic fermentation

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Which of the following structure is where photosynthesis occurs in the cell?

• nucleus
• chloroplast
• mitochondria
• endoplasmic reticulum

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If a plant died from lack of food, which structure is most likely missing or damaged?

• flower
• root
• stem
• leaves

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Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?

• Only species Y is aerobic.
• Only species Y is anaerobic
• Both species X and Y are aerobic.
• Both species X and Y are anaerobic.

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