Photosynthesis And Respiration Quiz 3
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Questions and Answers
- 1.
For the following reaction name the products. Sunlight6CO2+ H2O -----------l----------> C6H12O6 + 6O2 Chlorophyll
- A.
Glucose and Oxygen
- B.
Oxygen and Water
- C.
Carbon Dioxide and Water
- D.
Water and Oxygen
Correct Answer
A. Glucose and OxygenExplanation
The reaction shown is the process of photosynthesis, where sunlight is used to convert carbon dioxide and water into glucose and oxygen. This process occurs in the presence of chlorophyll, a pigment found in plants. Therefore, the correct answer is glucose and oxygen.Rate this question:
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- 2.
What does the following equation represent? Sunlight6CO2+ H2O -----------l----------> C6H12O6 + 6O2 Chlorophyll
- A.
Breathing
- B.
The Calvin Cycle
- C.
Respiration
- D.
Photosynthesis
Correct Answer
D. PhotosynthesisExplanation
The given equation represents the process of photosynthesis. Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose (C6H12O6) and oxygen (O2) using chlorophyll. This equation shows the overall reaction of photosynthesis, where carbon dioxide and water are converted into glucose and oxygen in the presence of sunlight and chlorophyll.Rate this question:
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- 3.
All life processes require some type of energy to exist.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
All living organisms require energy to carry out various life processes such as growth, reproduction, movement, and maintenance of homeostasis. Energy is needed for metabolic reactions, synthesis of molecules, and the functioning of cells and organs. Without energy, life processes cannot be sustained, making the statement "All life processes require some type of energy to exist" true.Rate this question:
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- 4.
Glucose is a carbohydrate that stores chemical energy in a concentrated and stable form.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Glucose is indeed a carbohydrate that stores chemical energy in a concentrated and stable form. As a monosaccharide, glucose is easily broken down in cells to produce ATP, the main energy currency of the cell. It is stored as glycogen in animals and as starch in plants, providing a readily available source of energy when needed. Therefore, the statement is true.Rate this question:
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- 5.
What part of the plant is responsible for taking in carbon dioxide through it's tiny pores?
- A.
Chlorophyll
- B.
Stomata
- C.
Xylem
- D.
Chloroplasts
Correct Answer
B. StomataExplanation
Stomata are tiny pores found on the surface of leaves and stems of plants. They are responsible for taking in carbon dioxide from the atmosphere for photosynthesis. Chlorophyll is the pigment responsible for capturing sunlight and converting it into chemical energy during photosynthesis. Xylem is a tissue that transports water and nutrients within the plant. Chloroplasts are organelles found within plant cells that contain chlorophyll and are the sites of photosynthesis. Therefore, the correct answer is stomata as they are specifically designed for gas exchange, including the intake of carbon dioxide.Rate this question:
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- 6.
Energy is always being created and destroyed in the universe.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
According to the law of conservation of energy, energy cannot be created or destroyed, it can only be transferred or transformed from one form to another. This principle applies to the universe as well, where energy is constantly being converted from one form to another, but it is never created or destroyed. Therefore, the statement that energy is always being created and destroyed in the universe is false.Rate this question:
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- 7.
Matter is always being created and destroyed in the universe.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
According to the law of conservation of mass, matter cannot be created or destroyed, only transformed or rearranged. This principle is supported by scientific evidence and is a fundamental concept in physics. Therefore, the statement that matter is always being created and destroyed in the universe is false.Rate this question:
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- 8.
During the process of photosynthesis what part of the plant is responsible for the intake of water?
- A.
Chloroplast
- B.
Xylem
- C.
Chlorophyll
- D.
Leaves
Correct Answer
B. XylemExplanation
Xylem is responsible for the intake of water during the process of photosynthesis. Xylem is a complex tissue in plants that transports water and dissolved minerals from the roots to the leaves. It forms a continuous network of tubes throughout the plant, allowing water to be drawn up against gravity. This water is essential for photosynthesis, as it is used in the light-dependent reactions to produce oxygen and ATP. Therefore, xylem plays a crucial role in the intake of water and the overall process of photosynthesis.Rate this question:
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- 9.
During the process of respiration what is the energy that is formed called?
- A.
ALP
- B.
ATP
- C.
AKL
- D.
WTH
Correct Answer
B. ATPExplanation
During the process of respiration, the energy that is formed is called ATP (Adenosine Triphosphate). ATP is the primary source of energy for cellular processes, providing the necessary energy for various metabolic reactions. It is produced through the breakdown of glucose and other nutrients during cellular respiration. ATP releases energy when its terminal phosphate group is hydrolyzed, converting it into ADP (Adenosine Diphosphate) and inorganic phosphate. This energy release is utilized by cells for various functions such as muscle contraction, active transport, and synthesis of macromolecules.Rate this question:
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- 10.
What are the reactants of photosynthesis?
- A.
Oxygen and Hydrogen
- B.
Oxygen and Glucose
- C.
Carbon Dioxide and Water
- D.
Glucose and Barium
Correct Answer
C. Carbon Dioxide and WaterExplanation
The reactants of photosynthesis are carbon dioxide and water. During the process of photosynthesis, plants use sunlight as an energy source to convert carbon dioxide and water into glucose and oxygen. This process takes place in the chloroplasts of plant cells, specifically in the chlorophyll-containing organelles called chloroplasts. The oxygen produced during photosynthesis is released into the atmosphere, while glucose is used as an energy source for the plant.Rate this question:
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- 11.
Photosynthesis requires an energy source to activate the process.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Photosynthesis is a process in which plants convert sunlight into chemical energy to produce glucose. This energy is required to activate the process and initiate the conversion of carbon dioxide and water into glucose and oxygen. Without an energy source, such as sunlight, photosynthesis cannot occur. Therefore, the statement that photosynthesis requires an energy source to activate the process is true.Rate this question:
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- 12.
What are the products of respiration?
- A.
Carbon Dioxide and Chlorophyll
- B.
Carbon Dioxide, water and energy
- C.
Carbon Dioxide, water and oxygen
- D.
Water and Oxygen
Correct Answer
B. Carbon Dioxide, water and energyExplanation
During respiration, the cells break down glucose to release energy. This process occurs in the presence of oxygen, and it produces carbon dioxide and water as byproducts. The carbon dioxide is then transported to the lungs and eliminated from the body through exhalation. Additionally, the energy released during respiration is used by the cells for various metabolic activities. Therefore, the correct answer is "Carbon Dioxide, water and energy."Rate this question:
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- 13.
What are the reactants in a respiration reaction?
- A.
Oxygen and glucose
- B.
Glucose and carbon dioxide
- C.
Carbon Dioxide and water
- D.
Glucose
Correct Answer
A. Oxygen and glucoseExplanation
In a respiration reaction, the reactants are oxygen and glucose. Oxygen is required for the process of respiration as it acts as the final electron acceptor in the electron transport chain. Glucose, on the other hand, is the primary source of energy for cellular respiration. It is broken down through a series of enzymatic reactions to release energy in the form of ATP. Therefore, the correct answer is oxygen and glucose.Rate this question:
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- 14.
What part of the cell is responsible for the formation of ATP?
- A.
Nucleus
- B.
Cell Wall
- C.
Mitochondria
- D.
Stomata
Correct Answer
C. MitochondriaExplanation
Mitochondria is the correct answer because it is the powerhouse of the cell and is responsible for producing ATP (adenosine triphosphate), which is the main energy currency of the cell. The mitochondria have an inner membrane that contains enzymes involved in ATP synthesis through a process called oxidative phosphorylation. This process uses the energy derived from the breakdown of nutrients to generate ATP. Therefore, the mitochondria play a crucial role in energy production within the cell.Rate this question:
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- 15.
Which part of the plant contains the chlorophyll?
- A.
Grana
- B.
Cell Wall
- C.
Stomatata
- D.
Chloroplasts
Correct Answer
D. ChloroplastsExplanation
Chlorophyll is a pigment that is responsible for the green color of plants and is essential for photosynthesis. Chloroplasts are the organelles within plant cells where photosynthesis takes place. They contain chlorophyll and other pigments that capture sunlight and convert it into chemical energy. Therefore, chloroplasts are the part of the plant that contains chlorophyll.Rate this question:
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- 16.
What does oxygen combine with during the process of respiration to form Carbon Dioxide and water?
- A.
Life
- B.
Energy
- C.
Carbon Dioxide
- D.
Glucose
Correct Answer
D. GlucoseExplanation
During the process of respiration, oxygen combines with glucose to form carbon dioxide and water. This is a fundamental metabolic process that occurs in cells to produce energy. Glucose is broken down in the presence of oxygen through a series of chemical reactions, releasing energy in the form of ATP (adenosine triphosphate). As a result of this process, carbon dioxide and water are produced as waste products, which are then eliminated from the body.Rate this question:
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- 17.
Most heterotrophs us sunlight to make energy.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Most heterotrophs do not use sunlight to make energy. Heterotrophs obtain their energy by consuming other organisms or organic matter. They rely on the energy stored in the chemical bonds of the food they consume, rather than converting sunlight into energy through photosynthesis like autotrophs do. Therefore, the statement is false.Rate this question:
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- 18.
Autotrophs are the basis of all food chains.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Autotrophs, also known as producers, are organisms that can produce their own food through photosynthesis or chemosynthesis. They are the foundation of all food chains because they convert energy from the sun or chemicals into organic compounds that other organisms can consume. These organic compounds then flow through the food chain as energy is transferred from one organism to another. Therefore, autotrophs are indeed the basis of all food chains.Rate this question:
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- 19.
Energy isn't responsible for the building up and breaking down of molecules and transport of molecules across plasma membranes.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is false because energy is indeed responsible for the building up and breaking down of molecules and the transport of molecules across plasma membranes. These processes require energy in the form of ATP (adenosine triphosphate) to drive the necessary chemical reactions and transport mechanisms. Without energy, these essential cellular processes would not occur.Rate this question:
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- 20.
In the food chain grass--> grasshopper--> snake-->hawk, which organism(s)are the heterotrophs?
- A.
The grass
- B.
The snake
- C.
The Hawk
- D.
The grasshopper, snake and hawk
Correct Answer
D. The grasshopper, snake and hawkExplanation
The heterotrophs in this food chain are the grasshopper, snake, and hawk. Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy. In this food chain, the grasshopper consumes grass, the snake consumes the grasshopper, and the hawk consumes the snake. Therefore, the grasshopper, snake, and hawk are all heterotrophs as they obtain their energy by consuming other organisms.Rate this question:
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- 21.
Photosynthesis can be described as the process that?
- A.
Uses carbon dioxide and water, in the presence of sunlight, to produce glucose, and oxygen.
- B.
Uses oxygen to produce energy.
- C.
Uses glucose and oxygen to produce energy.
- D.
Uses sunlight to produce carbon dioxide.
Correct Answer
A. Uses carbon dioxide and water, in the presence of sunlight, to produce glucose, and oxygen.Explanation
Photosynthesis is the process by which plants and some other organisms convert carbon dioxide and water into glucose and oxygen, using sunlight as the source of energy. This process occurs in the chloroplasts of plant cells, where chlorophyll absorbs sunlight and converts it into chemical energy. The energy from sunlight is used to combine carbon dioxide and water, resulting in the production of glucose, a form of stored energy, and oxygen, which is released into the atmosphere as a byproduct.Rate this question:
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- 22.
What part of the plant takes in the water in the roots?
- A.
Xylem
- B.
Stomata
- C.
Chloraplast
- D.
Chlorophyll
Correct Answer
A. XylemExplanation
The xylem is the part of the plant that takes in water from the roots. It is responsible for transporting water and nutrients from the roots to the rest of the plant. Xylem consists of specialized cells called tracheids and vessels that form a network of tubes, allowing water to move upwards through capillary action. Stomata are small openings on the surface of leaves that control gas exchange, not water absorption. Chloroplasts are responsible for photosynthesis, and chlorophyll is the pigment that captures sunlight for this process.Rate this question:
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- 23.
Energy can be created or destroyed.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
According to the principle of conservation of energy, energy cannot be created or destroyed, but it can only be transferred or transformed from one form to another. This principle is a fundamental law of physics known as the first law of thermodynamics. Therefore, the statement that energy can be created or destroyed is false.Rate this question:
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- 24.
During this process an animal takes in oxygen and it then combines with glucose. After the oxygen is distributed throughout the body the animal exhales carbon dioxide.
- A.
Homeostasis
- B.
Articulation
- C.
Photosynthesis
- D.
Respiration
Correct Answer
D. RespirationExplanation
Respiration is the correct answer because it is the process by which animals take in oxygen and combine it with glucose to produce energy. This energy is then used by the body for various functions. During respiration, oxygen is distributed throughout the body and carbon dioxide is exhaled as a waste product. This process helps maintain the balance of oxygen and carbon dioxide in the body, ensuring the proper functioning of cells and organs.Rate this question:
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- 25.
Which of the following is at the bottom of the food chain and provide food for organisms?
- A.
Heterotrophs
- B.
Producers
- C.
Consumers
- D.
Decomposers
Correct Answer
B. ProducersExplanation
Producers are at the bottom of the food chain and provide food for organisms. Producers, such as plants and algae, are able to convert sunlight into energy through photosynthesis. They are able to produce their own food and are the primary source of energy for all other organisms in the food chain.Rate this question:
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- 26.
Which of the following reactions represents photosynthesis?
- A.
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy
- B.
CO + OH--> O + HO
- C.
6H20 + 6CO2 --> C6H12O6 + 6O2
- D.
Ca + Si--> CaSi
Correct Answer
C. 6H20 + 6CO2 --> C6H12O6 + 6O2Explanation
The reaction 6H20 + 6CO2 --> C6H12O6 + 6O2 represents photosynthesis. This reaction shows the conversion of water and carbon dioxide into glucose and oxygen, which is the process of photosynthesis.Rate this question:
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- 27.
This cell organelle is responsible for the production of ATP.
- A.
Cytoplasm
- B.
Nucleus
- C.
Mitochondria
- D.
Cell Wall
Correct Answer
C. MitochondriaExplanation
Mitochondria are responsible for the production of ATP, which is the main source of energy for the cell. They are often referred to as the "powerhouses" of the cell because they generate ATP through a process called cellular respiration. Mitochondria have their own DNA and are capable of self-replication, allowing them to produce ATP efficiently. The other options, cytoplasm, nucleus, and cell wall, do not play a direct role in ATP production.Rate this question:
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- 28.
This part of the plant cell is where photosynthesis occurs.
- A.
Ribosomes
- B.
Cell Wall
- C.
Nucleus
- D.
Chloroplasts
Correct Answer
D. ChloroplastsExplanation
Chloroplasts are the correct answer because they are the organelles in plant cells where photosynthesis occurs. Photosynthesis is the process by which plants convert sunlight into energy, and chloroplasts contain chlorophyll, a pigment that captures sunlight and initiates the photosynthetic reactions. Ribosomes are responsible for protein synthesis, the cell wall provides structure and support, and the nucleus contains genetic material, but none of these organelles are directly involved in photosynthesis.Rate this question:
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- 29.
The green pigment found in chloroplasts is called?
- A.
Chlorphyll
- B.
Citophyll
- C.
Xylem
- D.
Stomata
Correct Answer
A. ChlorphyllExplanation
Chlorophyll is the correct answer because it is the green pigment found in chloroplasts. Chlorophyll is responsible for capturing light energy during photosynthesis and converting it into chemical energy. It plays a crucial role in the process of photosynthesis by absorbing light in the blue and red regions of the electromagnetic spectrum and reflecting green light, giving plants their characteristic green color.Rate this question:
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- 30.
Sunlight is necessary for photosynthesis to occur.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. Sunlight is the primary source of energy for this process, as it is absorbed by the chlorophyll in plant cells and used to power the chemical reactions involved in photosynthesis. Without sunlight, plants would not be able to carry out photosynthesis and produce the energy they need to survive. Therefore, the statement that sunlight is necessary for photosynthesis to occur is true.Rate this question:
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- 31.
Photosynthesis and respiration cannot occur without one another.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Photosynthesis and respiration are interconnected processes that occur in living organisms. During photosynthesis, plants convert sunlight, water, and carbon dioxide into glucose and oxygen. This glucose is then used during respiration to produce energy for cellular activities. Likewise, respiration produces carbon dioxide, which is a necessary component for photosynthesis. Therefore, photosynthesis and respiration are dependent on each other and cannot occur without one another. Hence, the correct answer is true.Rate this question:
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- 32.
What is the following compound C6H12O6?
- A.
Carbon Dioxide
- B.
Glucose
- C.
Water
- D.
Oxygen
Correct Answer
B. GlucoseExplanation
Glucose is the correct answer because C6H12O6 is the molecular formula for glucose. Glucose is a simple sugar and an important source of energy in living organisms. It is a carbohydrate that is commonly found in fruits, honey, and in the bloodstream of animals.Rate this question:
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- 33.
What is the following compound CO2?
- A.
Glucose
- B.
Carbon Monoxide
- C.
Carbon Dioxide
- D.
Sulfur
Correct Answer
C. Carbon DioxideExplanation
The correct answer is Carbon Dioxide because CO2 is the chemical formula for carbon dioxide. Carbon dioxide is a colorless gas composed of one carbon atom bonded to two oxygen atoms. It is produced by various natural processes and human activities, and is a greenhouse gas that contributes to climate change.Rate this question:
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Mar 19, 2023Quiz Edited by
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