Honors Biology (Energetics Unit)
This quiz is based on Cellular respiration, Photosynthesis, Aerobic respiration and Anaerobic respiration etc.
Questions and Answers
- 1.
Where does the Glycolysis happen? What does it do ? How many ATP molecules is produced and does it require oxygen?
- 2.
What is the main difference between photosynthesis and cellular respiration?
- 3.
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- 4.
Where does Cellular Respiration happen?
- A.
Mitochondria
- B.
Cytoplasm
- C.
Chlorophyll
- D.
Glycollosis
Correct Answer
A. MitochondriaExplanation
Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. This process occurs in the mitochondria, which are often referred to as the "powerhouses" of the cell. Mitochondria have a highly specialized structure that allows them to carry out aerobic respiration, producing ATP (adenosine triphosphate) as the main source of energy for the cell. The other options listed, such as cytoplasm, chlorophyll, and glycolysis, are not the primary sites where cellular respiration takes place.Rate this question:
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- 5.
Where does Photosynthesis happen?
- A.
Chlorophyll
- B.
Nucleus
- C.
Chloroplasts
- D.
Mitochondria
Correct Answer
C. ChloroplastsExplanation
Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. This process occurs in the chloroplasts, which are specialized organelles found in plant cells. Chlorophyll, the pigment responsible for capturing sunlight, is located within the chloroplasts. The chloroplasts contain all the necessary enzymes and structures for the photosynthetic reactions to take place, including the thylakoid membranes where the light-dependent reactions occur and the stroma where the light-independent reactions (Calvin cycle) occur. Therefore, the correct answer is chloroplasts.Rate this question:
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- 6.
What is the end product of Photosynthesis?
- A.
Oxygen + water
- B.
Carbon Dioxide + glucose
- C.
Glucose+Oxygen
- D.
Carbon Dioxide + water
Correct Answer
C. Glucose+OxygenExplanation
The end product of photosynthesis is glucose and oxygen. During photosynthesis, plants use sunlight, carbon dioxide, and water to produce glucose, which is a type of sugar that serves as the main source of energy for plants. Oxygen is also produced as a byproduct of this process and is released into the atmosphere. Therefore, the correct answer is glucose+oxygen.Rate this question:
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- 7.
What is the formula of Photosynthesis?
- A.
6Co2+6H20 --> (light) C6H12o6+ 6O2
- B.
C6H12o6+ 6O2 --> (light) 6Co2+6H20
- C.
6Co2+6H20--> (light) 6Co2+6H20
- D.
C6H12o6+ 6O2 --> (light) C6H12o6+ 6O2
Correct Answer
A. 6Co2+6H20 --> (light) C6H12o6+ 6O2Explanation
The correct answer is 6Co2+6H20 --> (light) C6H12o6+ 6O2. This formula represents the process of photosynthesis, where carbon dioxide (Co2) and water (H20) are converted into glucose (C6H12o6) and oxygen (O2) in the presence of light. This is the balanced equation that represents the overall reaction of photosynthesis.Rate this question:
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- 8.
What is the end product of Cellular respiration?
- A.
Carbon dioxide and glucose
- B.
Water & Oxygen
- C.
Carbon dioxide & water & heat
- D.
Sugar and Oxygen
Correct Answer
C. Carbon dioxide & water & heatExplanation
The end product of cellular respiration is carbon dioxide, water, and heat. During cellular respiration, glucose is broken down in the presence of oxygen to produce energy. Carbon dioxide is released as a waste product, while water is formed as a result of the chemical reactions. Additionally, heat is generated as a byproduct of the metabolic processes involved in cellular respiration. Therefore, the correct answer is carbon dioxide, water, and heat.Rate this question:
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- 9.
Plants get their energy by the sun.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Plants undergo a process called photosynthesis, where they use sunlight, along with water and carbon dioxide, to produce glucose (energy) and oxygen. This energy is then used by plants for various metabolic activities, such as growth and reproduction. Therefore, it is correct to say that plants get their energy from the sun.Rate this question:
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- 10.
Both Aerboic and Anaerobic use oxygen
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false. Aerobic exercise requires oxygen, while anaerobic exercise does not require oxygen.Rate this question:
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- 11.
A student is collecting the gas given off from a plant in bright sunlight at a temperture at 27c. Which gas would the student be collecting?
- A.
Carbon Dioxide
- B.
ATP
- C.
Oxygen
- D.
Vaporized water
Correct Answer
C. OxygenExplanation
The student would be collecting oxygen gas. Oxygen is produced by plants during photosynthesis, especially in the presence of bright sunlight. The temperature of 27°C is conducive for photosynthesis to occur. Therefore, it is likely that the gas being collected is oxygen.Rate this question:
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- 12.
What does Aerobic do that Anaerobic doesn't have?
- A.
Uses oxygen
- B.
Makes 36-38 ATP
- C.
Uses more than 2 ATP
- D.
Has lactic acid
Correct Answer(s)
A. Uses oxygen
B. Makes 36-38 ATP
C. Uses more than 2 ATPExplanation
Aerobic respiration is a metabolic process that uses oxygen to convert glucose into ATP, the energy currency of cells. It is more efficient than anaerobic respiration as it produces a higher yield of ATP, specifically 36-38 ATP molecules per glucose molecule. In contrast, anaerobic respiration does not require oxygen and produces only a small amount of ATP, typically around 2 ATP molecules. Additionally, anaerobic respiration may produce lactic acid as a byproduct, while aerobic respiration does not.Rate this question:
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- 13.
Moves energy into the cell
Correct Answer(s)
ChloroplastsExplanation
Chloroplasts are responsible for photosynthesis, the process by which plants convert sunlight into energy in the form of glucose. During photosynthesis, chloroplasts absorb light energy and use it to convert carbon dioxide and water into glucose and oxygen. This glucose is then transported into the cell to provide energy for various cellular processes. Therefore, chloroplasts can be considered as the organelles that move energy into the cell.Rate this question:
- 14.
ATP is
- A.
Energy that is produced from the sunlight
- B.
An energy storing molecule
- C.
Is located in the nucleus
- D.
Another way called light
Correct Answer
B. An energy storing moleculeExplanation
ATP (adenosine triphosphate) is an energy storing molecule. It is often referred to as the "energy currency" of the cell because it stores and releases energy as needed. ATP is composed of a nucleotide base (adenine), a sugar molecule (ribose), and three phosphate groups. The energy stored in ATP is released when one of the phosphate groups is removed, resulting in the formation of ADP (adenosine diphosphate) and inorganic phosphate. This energy release powers various cellular processes, such as muscle contraction, active transport, and synthesis of macromolecules.Rate this question:
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- 15.
What is found in a plant cell but not in a animal cell?
- A.
Cell membrane
- B.
Cytoplasm
- C.
Cell wall
- D.
Golgi apparatus
Correct Answer
C. Cell wallExplanation
The correct answer is cell wall. The cell wall is a rigid outer layer found in plant cells that provides structural support and protection. Animal cells do not have a cell wall, instead they have a flexible cell membrane that surrounds the cell and regulates the movement of substances in and out of the cell.Rate this question:
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- 16.
Krebs cycle (Critic acid cycle) is taken place in the Mitochondria
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The Krebs cycle, also known as the citric acid cycle, occurs in the mitochondria. This is where the majority of ATP, the main energy source for cells, is produced through the oxidation of glucose. The cycle involves a series of chemical reactions that break down molecules derived from carbohydrates, fats, and proteins to generate energy-rich molecules like NADH and FADH2. These energy carriers are then used in the electron transport chain to produce ATP. Therefore, it is correct to say that the Krebs cycle takes place in the mitochondria.Rate this question:
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- 17.
What is a chemosynthesis?
- A.
Is a type of animal that eats plants.
- B.
Depends on the plants to make it's own food
- C.
Uses the sunlight to make food
- D.
Allows bacteria to use inorganic molecules instead of sunlight to make food
Correct Answer
D. Allows bacteria to use inorganic molecules instead of sunlight to make foodExplanation
Chemosynthesis is a process in which bacteria use inorganic molecules instead of sunlight to produce food. Unlike photosynthesis, which relies on sunlight, chemosynthesis allows bacteria to obtain energy by breaking down inorganic compounds such as hydrogen sulfide or methane. This process is commonly found in deep-sea ecosystems where sunlight is not available. By using inorganic molecules as a source of energy, bacteria are able to synthesize organic compounds and sustain themselves without relying on photosynthetic organisms or sunlight.Rate this question:
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- 18.
Anaerobic makes 2 AtP molecules called?
- A.
Latic acid and Alcoholic Fermentation
- B.
Electron transport and latic
- C.
Alcoholic and electron transport
- D.
Glycolosis and electron transport
Correct Answer
A. Latic acid and Alcoholic FermentationExplanation
Anaerobic metabolism is a process that occurs in the absence of oxygen. During anaerobic metabolism, two ATP molecules are produced through a process called glycolysis. In the case of lactic acid fermentation, the end product is lactic acid, while in alcoholic fermentation, the end product is alcohol. Therefore, the correct answer is lactic acid and alcoholic fermentation as they both produce ATP molecules during anaerobic metabolism.Rate this question:
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- 19.
What as is given off as a waste product of respiration?
- A.
Glucose
- B.
Oxygen
- C.
Carbon dioxide
- D.
Water
Correct Answer
C. Carbon dioxideExplanation
Carbon dioxide is given off as a waste product of respiration. During cellular respiration, glucose is broken down in the presence of oxygen to produce energy. As a result of this process, carbon dioxide is produced as a waste product and is expelled from the body through the respiratory system. Oxygen is necessary for respiration to occur, and water is also produced as a byproduct of respiration, but carbon dioxide is the primary waste product.Rate this question:
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