photosynthesis and cellular respiration mastery test has 5 questions

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Photosynthesis

9th -  10th  , photosynthesis & cellular respiration, 6th -  8th  , microscope parts and function, 8th -  11th  .

Photosynthesis and Cellular respiration

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• 1. Multiple Choice Edit 1 minute 1 pt 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.
• 2. Multiple Choice Edit 1 minute 1 pt 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.
• 5. Multiple Choice Edit 1 minute 1 pt Two test tubes were filled with a solution of bromthymol blue. A student exhaled through a straw into each tube, and the bromthymol blue turned yellow. An aquatic green plant was placed into each tube, and the tubes were corked. One tube was placed in the dark, and one was placed in direct sunlight. The yellow solution in the tube in sunlight turned blue, while the one in the dark remained yellow. Which statement best explains why the solution in the tube placed in sunlight returned to a blue color? Oxygen was produced by photosynthesis. Carbon dioxide was removed by photosynthesis. Carbon dioxide was produced by respiration. Oxygen was removed by respiration.
• 6. Multiple Choice Edit 1 minute 1 pt Which gas is removed from the atmosphere during photosynthesis? hydrogen oxygen nitrogen carbon dioxide
• 7. Multiple Choice Edit 1 minute 1 pt 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.
• 8. Multiple Choice Edit 1 minute 1 pt 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
• 9. Multiple Choice Edit 1 minute 1 pt Which of the following are the reactants of photosynthesis? water and glucose glucose and carbon dioxide carbon dioxide and water oxygen and water
• 10. Multiple Choice Edit 1 minute 1 pt 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
• 11. Multiple Choice Edit 1 minute 1 pt If a plant died from lack of food, which structure is most likely missing or damaged? flower root stem leaves
• 13. Multiple Choice Edit 1 minute 1 pt 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.

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

The cells will never run out of oxygen if the weightlifter is breathing.

As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

• 16. Multiple Choice Edit 1 minute 1 pt What function does ATP carry out in living things? aids in protein folding and coiling used to capture and transfer energy identifies DNA start sequences for transcription helps maintain the fluidity of cell membranes
• 17. Multiple Choice Edit 1 minute 1 pt Which process do the animals in the food web use to convert energy from food into ATP? cellular respiration osmosis photosynthesis transcription
• 18. Multiple Choice Edit 1 minute 1 pt Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music. Which component is missing from Carmen’s experiment? a question a hypothesis a control group a description of the experiment
• 19. Multiple Choice Edit 1 minute 1 pt Which of the following equations best represents photosynthesis? C + O 2  + H 2 O = CO 2  +HOH 6CO 2  + 6H 2 O = C 6 H 12 O 6  + 6O 2 6C + 6 H 2 O = C 6 H 12 O 6 C 6 H 12 O 6  = 6CO 2  + 6H 2 O
• 21. Multiple Choice Edit 1 minute 1 pt One of the principal compounds that living things use to store energy is DNA ATP H20 CO2
• 22. Multiple Choice Edit 1 minute 1 pt 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
• 23. Multiple Choice Edit 1 minute 1 pt What are the reactants in the equation for cellular respiration? oxygen and lactic acid carbon dioxide and water glucose and oxygen water and glucose
• 24. Multiple Choice Edit 1 minute 1 pt What happens during photosynthesis? Heterotrophs consume ATP. Heterotrophs produce ATP. Autotrophs consume carbohydrates. Autotrophs produce carbohydrates.
• 25. Multiple Choice Edit 1 minute 1 pt What is the correct equation for cellular respiration? 6O 2 + C 6 H 12 O 6 -> 6CO 2 + 6H 2 O + Energy 6O 2 + C 6 H 12 O 6 + Energy -> 6CO 2 + 6H 2 O 6CO 2 + 6H 2 O -> 6O 2 + C 6 H 12 O 6 + Energy 6CO 2 + 6H 2 O + Energy -> 6O 2 + C 6 H 12 O 6
• 26. Multiple Choice Edit 1 minute 1 pt Organisms that cannot make their own food and must obtain energy from external sources are called autotrophs heterotrophs thylakoids plants

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Photosynthesis And Cellular Respiration Quiz Questions And Answers

Do you know photosynthesis makes energy and respiration use it, thus supporting life? With this photosynthesis and cellular respiration quiz, you can test your knowledge. What do you know about the process of photosynthesis and all the components needed for the process to go through swiftly? Here, we have got a few questions for your understanding and practice. Take up the quiz below and get to know for sure. All the best, and do not forget to share the quiz with your friends.

What is one of the reactants (substrates) for cellular respiration?

Carbon dioxide

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What are the products of photosynthesis?

Sugar + glucose

Sugar + oxygen

Water + energy

In the process of  photosynthesis, light energy transforms CO2 and water into __________________________

H2O, CO2, and ATP

C6H12O6 and O2

C6H12O2 and H2O

In cellular respiration, what is the correct equation:

602+C6H12O6+energy -> 6CO2+6H2O

6CO2+6H2O+energy->6O2+c6H12O6

6O2+c6H12O6->6CO2+6H2O+ATP

6O2 + C6H12O6 + energy -> 6CO2 + 6H2O + ATP

 How much ATP does aerobic respiration produce?

Which is the correct equation for photosynthesis.

6H2O + 6CO2 -> ATP+C6H12O6 + 6O2

6CO2+6H2O -> C6H12O6+6O2

C6H12O6+ATP -> 6H2O+C6 

C6H12O6+6O2 -> 6CO2+6H2O

What molecule does aerobic respiration use that anaerobic respiration is missing?

Cellular respiration occurs in which cell type.

Plant cells only

Animal cell only

Both plants and animal cell

All but plant cells

What molecules belong in the box of the diagram?

1 transpiration; 2 respiration

1 chemosynthesis; 2 photosynthesis

1 respiration; 2 photosynthesis

1 photosynthesis; 2 respiration

In cellular respiration, energy can be released by breaking down which molecule? 

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2.8: Cellular Respiration and Photosynthesis

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How do trees help you breathe?

Recall that trees release oxygen as a byproduct of photosynthesis. And you need oxygen to breathe. Do you know why? So your cells can perform cellular respiration and make ATP.

Connecting Cellular Respiration and Photosynthesis

Photosynthesis and cellular respiration are connected through an important relationship. This relationship enables life to survive as we know it. The products of one process are the reactants of the other. Notice that the equation for cellular respiration is the direct opposite of photosynthesis :

• Cellular Respiration: C 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O
• Photosynthesis: 6CO 2 + 6H 2 O → C 6 H 12 O 6 + 6O 2

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration. We breathe in that oxygen, which is carried through our blood to all our cells . In our cells, oxygen allows cellular respiration to proceed. Cellular respiration works best in the presence of oxygen. Without oxygen, much less ATP would be produced.

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.

• The equation for cellular respiration is the direct opposite of photosynthesis.
• The exchange of carbon dioxide and oxygen thorough photosynthesis or cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.

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Use the resource below to answer the questions that follow.

• Photosynthesis and Respiration at http://www.youtube.com/watch?v=JEnjph9miK4 (3:46)

• What is needed for photosynthesis to occur? Be specific.
• What is needed for cellular respiration to occur?
• What is ATP?
• Do autotrophs need to carry out cellular respiration? Why or why not?
• How are the equations for photosynthesis and cellular respiration related?
• What keeps atmospheric oxygen and carbon dioxide at stable levels?

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5.1: Photosynthesis

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The energy that is harnessed from photosynthesis enters the ecosystems of our planet continuously and is transferred from one organism to another. Therefore, directly or indirectly, the process of photosynthesis provides most of the energy required by living things on earth. Photosynthesis also results in the release of oxygen into the atmosphere. In short, to eat and breathe, humans depend almost entirely on the organisms that carry out photosynthesis.

• 5.1.1: Overview of Photosynthesis All living organisms on earth consist of one or more cells. Each cell runs on the chemical energy found mainly in carbohydrate molecules (food), and the majority of these molecules are produced by one process: photosynthesis. Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food.
• 5.1.2: The Light-Dependent Reactions of Photosynthesis How can light be used to make food? It is easy to think of light as something that exists and allows living organisms, such as humans, to see, but light is a form of energy. Like all energy, light can travel, change form, and be harnessed to do work. In the case of photosynthesis, light energy is transformed into chemical energy, which autotrophs use to build carbohydrate molecules. However, autotrophs only use a specific component of sunlight .
• 5.1.3: The Calvin Cycle Carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.
• 5.1.4: Glycolysis ATP functions as the energy currency for cells. It allows cells to store energy briefly and transport it within itself to support endergonic chemical reactions. The structure of ATP is that of an RNA nucleotide with three phosphate groups attached. As ATP is used for energy, a phosphate group is detached, and ADP is produced. Energy derived from glucose catabolism is used to recharge ADP into ATP. Glycolysis is the first pathway used in the breakdown of glucose to extract energy.
• 5.1.5: Citric Acid Cycle and Oxidative Phosphorylation The citric acid cycle is a series of chemical reactions that removes high-energy electrons and uses them in the electron transport chain to generate ATP. One molecule of ATP (or an equivalent) is produced per each turn of the cycle. The electron transport chain is the portion of aerobic respiration that uses free oxygen as the final electron acceptor for electrons removed from the intermediate compounds in glucose catabolism.
• 5.1.6: Fermentation If NADH cannot be metabolized through aerobic respiration, another electron acceptor is used. Most organisms will use some form of fermentation to accomplish the regeneration of NAD+, ensuring the continuation of glycolysis. The regeneration of NAD+ in fermentation is not accompanied by ATP production; therefore, the potential for NADH to produce ATP using an electron transport chain is not utilized.
• 5.1.7: Connections to Other Metabolic Pathways Metabolic pathways should be thought of as porous—that is, substances enter from other pathways, and other substances leave for other pathways. These pathways are not closed systems. Many of the products in a particular pathway are reactants in other pathways.

Thumbnail: Plant cells (bounded by purple walls) filled with chloroplasts (green), which are the site of photosynthesis. Image used iwth permission (CC BY-SA 3.0; Kristian Peters)

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