Photosynthesis And Respiration Quiz 1
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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
In the given reaction, sunlight is used as an energy source to convert carbon dioxide (CO2) and water (H2O) into glucose (C6H12O6) and oxygen (O2). This process is known as photosynthesis and occurs in the presence of chlorophyll. Therefore, the products of this reaction are 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. In this process, sunlight, carbon dioxide (CO2), and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2) with the help of chlorophyll. This is the process by which plants and some other organisms convert light energy into chemical energy, which is stored in the form of glucose.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 their life processes such as growth, reproduction, movement, and metabolism. This energy is obtained through various sources such as sunlight, food, or chemical reactions. Without energy, living organisms would not be able to sustain their life processes and ultimately would cease to exist. Therefore, it is true that all life processes require some type of energy to exist.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. It is the primary source of energy for the human body and is stored in the form of glycogen in the liver and muscles. Glucose is broken down through cellular respiration to release energy that can be used by cells for various metabolic processes. Therefore, the statement "Glucose is a carbohydrate that stores chemical energy in a concentrated and stable form" 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 plant leaves. They are responsible for taking in carbon dioxide from the atmosphere for the process of photosynthesis. Chlorophyll is the pigment responsible for capturing light energy, while chloroplasts are the organelles where photosynthesis takes place. Xylem, on the other hand, is responsible for transporting water and nutrients throughout the plant. Therefore, the correct answer is stomata, as they are specifically designed for 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
This statement is false because according to the law of conservation of energy, energy cannot be created or destroyed, it can only be converted from one form to another. Energy is constantly being transformed from one form to another, but the total amount of energy in the universe remains constant.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
The statement that matter is always being created and destroyed in the universe is false. According to the law of conservation of mass, matter cannot be created or destroyed, it can only change forms. This means that the total amount of matter in the universe remains constant. While matter can undergo chemical reactions or nuclear reactions that result in the rearrangement of atoms and the formation of new substances, the total mass of the system remains the same. Therefore, matter is not being created or destroyed in the universe.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
The xylem is responsible for the intake of water during the process of photosynthesis. Xylem is a vascular tissue in plants that transports water and minerals from the roots to the leaves. It consists of specialized cells that form a network of interconnected tubes, allowing the movement of water upwards through the plant. In photosynthesis, water is essential for the plant to produce glucose and oxygen. Therefore, the xylem plays a crucial role in supplying water to the leaves where photosynthesis takes place.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 energy currency of cells and is responsible for supplying energy for various cellular processes. It is produced through the breakdown of glucose in a series of biochemical reactions, such as glycolysis and the citric acid cycle, which occur in the mitochondria. ATP stores and releases energy in its high-energy phosphate bonds, providing the necessary energy for cellular activities like muscle contraction, active transport, and synthesis of molecules.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 photosynthesis, plants use sunlight 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 carbon dioxide is obtained from the atmosphere through tiny pores called stomata, while water is absorbed by the roots from the soil. Through the process of photosynthesis, plants produce glucose, which is used as a source of energy, and oxygen, which is released into the atmosphere as a byproduct.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 use sunlight as an energy source to convert carbon dioxide and water into glucose and oxygen. Without an energy source like 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, glucose is broken down in the presence of oxygen to release energy. The byproducts of this process are carbon dioxide and water. Additionally, energy in the form of ATP is produced. Chlorophyll is not a product of respiration but is involved in the process of photosynthesis.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. Respiration is a process in which organisms convert glucose and oxygen into carbon dioxide and water, releasing energy in the form of ATP. Oxygen acts as the final electron acceptor in the electron transport chain, while glucose serves as the fuel source. 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 are responsible for the formation of ATP. ATP (adenosine triphosphate) is the main energy molecule in cells, and it is produced through cellular respiration in the mitochondria. Mitochondria are often referred to as the "powerhouses" of the cell because they generate ATP through the process of oxidative phosphorylation. This process involves the transfer of electrons from molecules like glucose to produce ATP. The other options, such as the nucleus, cell wall, and stomata, do not play a direct role in ATP formation.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 responsible for capturing light energy during photosynthesis. It is found in chloroplasts, which are organelles found in plant cells. Chloroplasts are responsible for converting light energy into chemical energy through the process of photosynthesis. Therefore, the correct answer is Chloroplasts.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. Glucose is broken down in the presence of oxygen through a series of chemical reactions, releasing energy that is used by cells for various metabolic processes. This process, known as cellular respiration, occurs in the mitochondria of cells and is essential for the production of ATP, the main energy currency of the cell.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 are organisms that obtain energy by consuming other organisms or organic matter. They rely on the energy stored in the bonds of organic compounds, which is derived from autotrophs that use sunlight to produce energy through photosynthesis. Therefore, the statement that most heterotrophs use sunlight to make energy 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 as they convert sunlight or inorganic compounds into organic matter, providing energy for other organisms in the ecosystem. Without autotrophs, there would be no energy source for heterotrophs, which are organisms that cannot produce their own food and rely on consuming other organisms. Therefore, it is true that autotrophs are 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 chemical reactions and transport proteins. 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 organisms that are heterotrophs in the given food chain are the grasshopper, snake, and hawk. Heterotrophs are organisms that cannot produce their own food and depend on other organisms for their energy and nutrients. In this food chain, the grasshopper feeds on grass, the snake feeds on the grasshopper, and the hawk feeds on the snake. Therefore, all three of these organisms rely on consuming other organisms for their survival, making them heterotrophs.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, algae, and some bacteria 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, specifically in the chlorophyll pigment, where sunlight is absorbed and converted into chemical energy. The glucose produced during photosynthesis serves as a source of energy for the organism, while oxygen 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 responsible for transporting water and nutrients from the roots to the rest of the plant. It consists of a network of tubes that run throughout the plant, allowing water to be absorbed from the roots and transported upwards to the leaves. This process is essential for the survival of the plant as it provides the necessary water and nutrients for photosynthesis and other metabolic processes. Stomata, chloroplasts, and chlorophyll are not directly involved in the absorption of water in the roots.Rate this question:
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- 23.
Energy can be created or destroyed.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement that energy can be created or destroyed is false. According to the law of conservation of energy, energy can neither be created nor destroyed, but it can only be converted from one form to another. This principle is known as the first law of thermodynamics. It states that the total amount of energy in a closed system remains constant over time. Therefore, energy is always conserved, and it cannot be created or destroyed.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 a biological process where an animal takes in oxygen and combines it with glucose to produce energy. The oxygen is then distributed throughout the body, and carbon dioxide is exhaled as a waste product. This process is essential for the survival of animals as it provides them with the energy they need to carry out their daily activities.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, also known as autotrophs, are capable of converting sunlight into energy through the process of photosynthesis. They are able to synthesize their own food, usually in the form of glucose, using carbon dioxide and water. This energy-rich food is then consumed by other organisms in the food chain, such as herbivores, which in turn are consumed by carnivores. Therefore, producers play a crucial role in providing the initial source of food for all organisms in the ecosystem.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 is because photosynthesis is the process by which plants convert carbon dioxide and water into glucose (C6H12O6) and oxygen (O2) using sunlight as an energy source. The given reaction shows the balanced equation for this process.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 energy currency of the cell. They are double-membraned organelles found in most eukaryotic cells, including plant and animal cells. Mitochondria have their own DNA and can self-replicate. They carry out cellular respiration, a process that converts nutrients into ATP through a series of biochemical reactions. This energy production is essential for various cellular activities, including muscle contraction, active transport, and synthesis of biomolecules. Therefore, the correct answer is mitochondria.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 responsible for photosynthesis in plant cells. Photosynthesis is the process by which plants convert sunlight into energy, and it takes place in the chloroplasts. These organelles contain a green pigment called chlorophyll, which captures sunlight and uses it to produce glucose and oxygen. Without chloroplasts, plants would not be able to produce their own food and energy.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. It is responsible for capturing light energy during photosynthesis and converting it into chemical energy. Chlorophyll plays a crucial role in the process of photosynthesis, as it absorbs light in the blue and red regions of the electromagnetic spectrum and reflects 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 a crucial component of this process as it provides the energy needed for photosynthesis to occur. Without sunlight, plants would not be able to produce food and oxygen, which are essential for their survival. Therefore, the statement "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 two interconnected processes that occur in living organisms. Photosynthesis is the process by which plants convert sunlight into energy-rich molecules, while respiration is the process by which organisms break down these energy-rich molecules to release energy. Both processes are essential for the survival of organisms. During photosynthesis, plants produce oxygen, which is required for respiration. In turn, respiration produces carbon dioxide, which is needed for photosynthesis. Therefore, photosynthesis and respiration are interdependent, and one cannot occur without the other. Hence, the statement 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 the molecular formula C6H12O6 corresponds to glucose. Glucose is a simple sugar and an important energy source for living organisms. It is a carbohydrate that is commonly found in fruits, honey, and 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
CO2 is the chemical formula for carbon dioxide. It is a compound composed of one carbon atom bonded to two oxygen atoms. Carbon dioxide is a colorless and odorless gas that is produced through various natural and human activities, including respiration, combustion of fossil fuels, and deforestation. It is an important greenhouse gas that contributes to global warming and climate change.Rate this question:
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Mar 18, 2023Quiz Edited by
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