Photosynthesis And Respiration Quiz

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  • 1/35 Questions

    For the following reaction name the products.                        6CO2+ H2O -----------l---------->  C6H12O6 + 6O2

    • Glucose and Oxygen
    • Oxygen and Water
    • Carbon Dioxide and Water
    • Water and Oxygen
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About This Quiz

Prepare to test your understanding of the essential biological processes that sustain life on Earth with our engaging Photosynthesis and Respiration Quiz! This quiz is designed for students, educators, and anyone interested in plant biology and cellular respiration. You will explore the fascinating interactions between photosynthesis, where plants convert sunlight, carbon dioxide, and water into glucose and oxygen, and respiration, See morewhere cells utilize glucose and oxygen to produce energy, carbon dioxide, and water.

Each question will challenge your knowledge, from the roles of chloroplasts and mitochondria to the significance of these processes in ecosystems. Join us in unraveling the mysteries of photosynthesis and respiration, and see how well you understand the vital functions that keep our planet thriving.

Photosynthesis And Respiration Quiz - Quiz

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  • 2. 

    All life processes require some type of energy to exist. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    While soil pH can affect plant health and nutrient absorption, it is not a direct factor influencing the rate of photosynthesis. Photosynthesis is primarily driven by three key factors: light intensity, carbon dioxide concentration, and temperature. These factors directly impact the chlorophyll's ability to absorb sunlight, the availability of carbon dioxide for the Calvin cycle, and enzyme activity related to photosynthesis. Although extreme soil pH could potentially impact plant growth indirectly by limiting nutrient availability or damaging plant roots, it does not play a direct role in the photosynthetic process.

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  • 3. 

    Glucose is a carbohydrate that stores chemical energy in a concentrated and stable form.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Glucose is indeed a carbohydrate that stores chemical energy in a concentrated and stable form. As a monosaccharide, glucose is the primary source of energy for cellular respiration in organisms. It is easily broken down and converted into ATP, the energy currency of cells. Glucose is also readily stored in the form of glycogen in animals and starch in plants, allowing for a long-term energy reserve. Therefore, the statement that glucose stores chemical energy in a concentrated and stable form is true.

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  • 4. 

    What part of the plant is responsible for taking in carbon dioxide through it's tiny pores?

    • Chlorophyll

    • Stomata

    • Xylem

    • Chloroplasts

    Correct Answer
    A. Stomata
    Explanation
    Stomata are the tiny pores found on the surface of plant leaves that are responsible for the exchange of gases, including the intake of carbon dioxide. These openings allow carbon dioxide to enter the plant for photosynthesis while also allowing for the release of oxygen and water vapor. Chlorophyll is the pigment responsible for capturing light energy during photosynthesis, chloroplasts are the organelles where photosynthesis takes place, and xylem is responsible for transporting water and nutrients within the plant. Therefore, the correct answer is stomata.

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  • 5. 

    The main purpose of the light-dependent reactions of photosynthesis is to convert solar energy into chemical energy.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    In photosynthesis, the light-dependent reactions occur in the thylakoid membranes of the chloroplasts, where chlorophyll absorbs sunlight. The energy from sunlight excites electrons, which move through the electron transport chain, leading to the production of two essential molecules: ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate). These molecules store chemical energy, which is then used in the Calvin cycle (light-independent reactions) to convert carbon dioxide into glucose. Therefore, the primary purpose of the light-dependent reactions is to capture and convert solar energy into usable chemical energy.

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  • 6. 

    The Calvin cycle reactions occur in the thylakoid membrane of the chloroplast.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The Calvin cycle, also known as the light-independent reactions or dark reactions, does not occur in the thylakoid membrane. Instead, it takes place in the stroma, the fluid-filled space surrounding the thylakoids inside the chloroplast. During the Calvin cycle, carbon dioxide from the atmosphere is fixed into organic molecules, eventually forming glucose. ATP and NADPH produced in the light-dependent reactions fuel this process. While the light-dependent reactions occur in the thylakoid membrane and are essential for generating energy, the Calvin cycle occurs in the stroma and focuses on carbon fixation and glucose production.

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  • 7. 

    During the process of photosynthesis what part of the plant is responsible for the intake of water?

    • Chloroplast

    • Xylem

    • Chlorophyll

    • Leaves

    Correct Answer
    A. Xylem
    Explanation
    Xylem is responsible for the intake of water during the process of photosynthesis. Xylem is a specialized tissue in plants that transports water and minerals from the roots to the leaves. It consists of vessels and tracheids that form a network of tubes, allowing water to be transported upwards against gravity. The water absorbed by the roots is pulled up through the xylem vessels to the leaves, where it is used for photosynthesis. Therefore, xylem plays a crucial role in supplying water to the plant for photosynthesis to occur.

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  • 8. 

    What is the energy produced during the process of respiration called?

    • ALP

    • ATP

    • AKL

    • WTH

    Correct Answer
    A. ATP
    Explanation
    During the process of respiration, the energy that is formed is called ATP (Adenosine Triphosphate). ATP is a molecule that stores and releases energy for cellular processes. It is often referred to as the "energy currency" of the cell because it provides the necessary energy for various biological reactions and activities.

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  • 9. 

    What are the reactants of photosynthesis? 

    • Oxygen and Hydrogen

    • Oxygen and Glucose

    • Carbon Dioxide and Water

    • Glucose and Barium

    Correct Answer
    A. Carbon Dioxide and Water
    Explanation
    The reactants of photosynthesis are carbon dioxide and water. During photosynthesis, plants use carbon dioxide from the air and water from the soil to produce glucose (a type of sugar) and oxygen. This process occurs in the chloroplasts of plant cells, specifically in the chlorophyll-containing organelles called chloroplasts. The glucose produced during photosynthesis is used as an energy source for the plant, while the oxygen is released into the atmosphere as a byproduct.

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  • 10. 

    Photosynthesis requires an energy source to activate the process.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Photosynthesis is a process in which plants convert sunlight into energy to produce glucose. This energy is essential for the synthesis of glucose molecules from carbon dioxide and water. Without an energy source, the process of photosynthesis cannot occur. Therefore, it is true that photosynthesis requires an energy source to activate the process.

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  • 11. 

    What are the products of respiration? 

    • Carbon Dioxide and Chlorophyll

    • Carbon Dioxide, water and energy

    • Carbon Dioxide, water and oxygen

    • Water and Oxygen

    Correct Answer
    A. Carbon Dioxide, water and energy
    Explanation
    During respiration, glucose is broken down in the presence of oxygen to produce energy. The byproducts of this process are carbon dioxide and water. Additionally, energy in the form of ATP (adenosine triphosphate) is also generated. Therefore, the correct answer is "Carbon Dioxide, water and energy".

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  • 12. 

    What are the reactants in a respiration reaction? 

    • Oxygen and glucose

    • Glucose and carbon dioxide

    • Carbon Dioxide and water

    • Glucose

    Correct Answer
    A. Oxygen and glucose
    Explanation
    In a respiration reaction, the reactants are oxygen and glucose. Respiration is a metabolic process that occurs in cells to produce energy. Oxygen is required as the final electron acceptor in the electron transport chain, while glucose is broken down through a series of chemical reactions to release energy in the form of ATP. Therefore, both oxygen and glucose are necessary reactants for respiration to occur.

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  • 13. 

    What part of the cell is responsible for the formation of ATP?

    • Nucleus

    • Cell Wall

    • Mitochondria

    • Stomata

    Correct Answer
    A. Mitochondria
    Explanation
    The mitochondria is responsible for the formation of ATP. ATP, or adenosine triphosphate, is the main energy currency of the cell. It is produced through the process of cellular respiration, which takes place in the mitochondria. During cellular respiration, molecules such as glucose are broken down to release energy, which is then used to generate ATP. The mitochondria have specialized structures and enzymes that facilitate this energy production process, making it the correct answer.

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  • 14. 

    Which part of the plant contains the chlorophyll?

    • Grana

    • Cell Wall

    • Stomatata

    • Chloroplasts

    Correct Answer
    A. Chloroplasts
    Explanation
    Chlorophyll is the pigment responsible for capturing sunlight and carrying out photosynthesis in plants. It is primarily found in the chloroplasts, which are specialized organelles found within plant cells. The chloroplasts contain the green pigment chlorophyll, along with other necessary components for photosynthesis, such as enzymes and proteins. Therefore, the correct answer is Chloroplasts.

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  • 15. 

    What does oxygen combine with during the process of respiration to form Carbon Dioxide and water? 

    • Life

    • Energy

    • Carbon Dioxide

    • Glucose

    Correct Answer
    A. Glucose
    Explanation
    During the process of respiration, oxygen combines with glucose to form carbon dioxide and water. This process occurs in the cells of living organisms, where glucose is broken down through a series of chemical reactions to release energy. The oxygen acts as the final electron acceptor in these reactions, combining with the byproducts of glucose metabolism to form carbon dioxide and water. This process is essential for the production of energy needed for various cellular activities.

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  • 16. 

    Most heterotrophs us sunlight to make energy. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Most heterotrophs cannot use sunlight to make energy because they do not possess the necessary pigment called chlorophyll. Instead, they rely on consuming organic matter produced by autotrophs such as plants or other organisms. This process is known as heterotrophic nutrition, where they break down complex organic molecules to obtain energy for their survival and growth. Therefore, the correct answer is false.

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  • 17. 

    Autotrophs are the basis of all food chains. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Autotrophs, such as plants, are organisms that can produce their own food through photosynthesis. They convert sunlight, water, and carbon dioxide into glucose, which serves as a source of energy for themselves and other organisms. As autotrophs are capable of producing their own food, they form the foundation of all food chains. Other organisms, known as heterotrophs, rely on autotrophs for their energy needs, either by consuming them directly or by consuming other organisms that have consumed autotrophs. Therefore, it is true that autotrophs are the basis of all food chains.

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  • 18. 

    Energy isn't responsible for the building up and breaking down of molecules and transport of molecules across plasma membranes. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    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 them. Building up molecules often involves anabolic reactions that require energy input, while breaking down molecules typically involves catabolic reactions that release energy. Similarly, the transport of molecules across plasma membranes requires energy to overcome the concentration gradient and other obstacles. Therefore, the statement that energy is not responsible for these processes is false.

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  • 19. 

    In the food chain grass--> grasshopper--> snake-->hawk, which organism(s)are the heterotrophs?

    • The grass

    • The snake

    • The Hawk

    • The grasshopper, snake and hawk

    Correct Answer
    A. The grasshopper, snake and hawk
    Explanation
    The organisms that are heterotrophs in the given food chain are the grasshopper, snake, and hawk. Heterotrophs are organisms that obtain their energy by consuming other organisms. 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 are heterotrophs as they rely on consuming other organisms for their energy and nutrients.

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  • 20. 

    Photosynthesis can be described as the process that

    • Uses carbon dioxide and water, in the presence of sunlight, to produce glucose, and oxygen.

    • Uses oxygen to produce energy.

    • Uses glucose and oxygen to produce energy.

    • 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 microorganisms convert carbon dioxide and water into glucose and oxygen using sunlight as an energy source. This process occurs in the chloroplasts of plant cells, specifically in the chlorophyll pigments. The energy from sunlight is used to convert carbon dioxide and water into glucose, a form of stored energy, and oxygen, which is released into the atmosphere as a byproduct. This process is vital for the survival of plants and plays a crucial role in the Earth's oxygen cycle.

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  • 21. 

    What part of the plant takes in the water in the roots? 

    • Xylem

    • Stomata

    • Chloraplast

    • Chlorophyll

    Correct Answer
    A. Xylem
    Explanation
    The xylem is the part of the plant that takes in water from the roots. It is a specialized tissue that transports water and dissolved minerals from the roots to the rest of the plant. The xylem consists of long, hollow cells that form a network of tubes, allowing water to move upwards against gravity. This process is known as transpiration. Stomata, chloroplasts, and chlorophyll are not directly involved in the uptake of water from the roots. Stomata are small openings on the surface of leaves that regulate gas exchange, while chloroplasts and chlorophyll are responsible for photosynthesis.

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  • 22. 

    Energy can be created or destroyed. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement "Energy can be created or destroyed" is known as the law of conservation of energy, which states that energy cannot be created or destroyed, but it can only be converted from one form to another. This principle is a fundamental concept in physics and is supported by numerous scientific experiments and observations. Therefore, the correct answer is False.

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  • 23. 

    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. 

    • Homeostasis

    • Articulation

    • Photosynthesis

    • Respiration

    Correct Answer
    A. Respiration
    Explanation
    The given explanation describes the process of respiration, 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 bodily functions.

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  • 24. 

    Which of the following is at the bottom of the food chain and provide food for organisms?

    • Heterotrophs

    • Producers

    • Consumers

    • Decomposers

    Correct Answer
    A. Producers
    Explanation
    Producers are at the bottom of the food chain and provide food for organisms. They are able to produce their own food through photosynthesis or chemosynthesis, converting sunlight or inorganic compounds into organic matter. This organic matter serves as a food source for other organisms in the ecosystem, such as herbivores and carnivores. Therefore, producers play a crucial role in sustaining the food web and providing energy for the entire ecosystem.

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  • 25. 

    Which of the following reactions represents photosynthesis?

    • C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy

    • CO + OH--> O + HO

    • 6H20 + 6CO2 --> C6H12O6 + 6O2

    • Ca + Si--> CaSi

    Correct Answer
    A. 6H20 + 6CO2 --> C6H12O6 + 6O2
    Explanation
    The reaction 6H20 + 6CO2 --> C6H12O6 + 6O2 represents photosynthesis. This reaction is the chemical equation for the process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight as an energy source. This is the fundamental process through which these organisms produce food and oxygen, and it is a crucial step in the Earth's carbon cycle.

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  • 26. 

    This cell organelle is responsible for the production of ATP. 

    • Cytoplasm

    • Nucleus

    • Mitochondria

    • Cell Wall

    Correct Answer
    A. Mitochondria
    Explanation
    Mitochondria are responsible for the production of ATP, which is the main energy currency of the cell. ATP is generated through the process of cellular respiration, which takes place in the mitochondria. These organelles have an inner membrane that is folded into structures called cristae, which increase the surface area for ATP production. The enzymes and proteins involved in cellular respiration are located in the mitochondria, allowing for efficient ATP synthesis. Therefore, the correct answer is mitochondria.

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  • 27. 

    This part of the plant cell is where photosynthesis occurs.

    • Ribosomes

    • Cell Wall

    • Nucleus

    • Chloroplasts

    Correct Answer
    A. Chloroplasts
    Explanation
    Chloroplasts are the correct answer because they are the specific organelles in plant cells where photosynthesis occurs. Photosynthesis is the process by which plants convert sunlight into energy, and it takes place within the chloroplasts. These organelles contain chlorophyll, which captures sunlight and enables the production of glucose and oxygen. The other options, such as ribosomes, cell wall, and nucleus, do not play a direct role in photosynthesis.

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  • 28. 

    The green pigment found in chloroplasts is called

    • Chlorphyll

    • Citophyll

    • Xylem

    • Stomata

    Correct Answer
    A. Chlorphyll
    Explanation
    Chlorophyll is the correct answer because it is the green pigment found in chloroplasts. It is responsible for absorbing light energy during photosynthesis and plays a crucial role in converting sunlight into chemical energy. Chlorophyll molecules are located in the thylakoid membranes of chloroplasts and give plants their green color.

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  • 29. 

    Sunlight is necessary for photosynthesis to occur. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. Sunlight is an essential component of photosynthesis as it provides the energy needed for the reaction to occur. Without sunlight, plants would not be able to produce glucose, which is their main source of energy. Therefore, the statement "Sunlight is necessary for photosynthesis to occur" is true.

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  • 30. 

    Photosynthesis and respiration cannot occur without one another. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Photosynthesis and respiration are interconnected processes that rely on each other to sustain life on Earth. Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. This glucose is then used in respiration, where it is broken down to release energy for cellular activities. In turn, respiration produces carbon dioxide, which is essential for photosynthesis to occur. Therefore, photosynthesis and respiration are interdependent and cannot occur without one another.

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  • 31. 

    What is the following compound C6H12O6?

    • Carbon Dioxide

    • Glucose

    • Water

    • Oxygen

    Correct Answer
    A. Glucose
    Explanation
    Glucose is the correct answer because it is a compound with the chemical formula C6H12O6. Carbon dioxide (CO2) is not the correct answer as it has a different chemical formula. Water (H2O) also has a different chemical formula, and oxygen (O2) is an element, not a compound. Therefore, the correct compound that matches the given formula is glucose.

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  • 32. 

    What is the following compound CO2?

    • Glucose

    • Carbon Monoxide

    • Carbon Dioxide

    • Sulfur

    Correct Answer
    A. Carbon Dioxide
    Explanation
    Carbon Dioxide (CO2) is the correct answer because it is a compound composed of one carbon atom bonded to two oxygen atoms. This compound is commonly found in the Earth's atmosphere and is produced by various natural and human activities. It is a greenhouse gas that plays a significant role in climate change.

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  • 33. 

    In which part of the chloroplast do the Calvin cycle reactions occur?

    • Thylakoid membrane

    • Stroma

    • Inner membrane

    • Outer membrane

    Correct Answer
    A. Stroma
    Explanation
    The Calvin cycle, also known as the light-independent reactions or dark reactions, occurs in the stroma of the chloroplast. The stroma is the fluid-filled region outside the thylakoid membranes within the chloroplast. This area is where enzymes required for the Calvin cycle are located. In the Calvin cycle, carbon dioxide is fixed into organic molecules using the energy stored in ATP and NADPH, which were generated during the light-dependent reactions in the thylakoids. The stroma provides the right environment for these enzymatic reactions, leading to the synthesis of glucose and other carbohydrates.

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  • 34. 

    What molecule is the primary electron carrier in photosynthesis?

    • ATP

    • NADPH

    • FADH₂

    • Glucose

    Correct Answer
    A. NADPH
    Explanation
    NADPH (Nicotinamide Adenine Dinucleotide Phosphate Hydrogen) is the primary electron carrier in photosynthesis. It plays a crucial role in the light-dependent reactions, where it is formed when NADP⁺ (the oxidized form) gains electrons. These electrons are energized by sunlight and transferred through the electron transport chain in the thylakoid membrane during the light-dependent reactions of photosynthesis.

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  • 35. 

    Which of the following statements about aerobic respiration is true?

    • It occurs in the absence of oxygen

    • It produces more ATP than anaerobic respiration

    • It does not involve the Krebs cycle

    • It is less efficient than fermentation

    Correct Answer
    A. It produces more ATP than anaerobic respiration
    Explanation
    Aerobic respiration is significantly more efficient at producing ATP (Adenosine Triphosphate) than anaerobic respiration. In aerobic respiration, oxygen is used as the final electron acceptor in the electron transport chain within the mitochondria, allowing for the complete oxidation of glucose. This process can produce a maximum of 36-38 ATP molecules per glucose molecule.

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  • Oct 14, 2024
    Quiz Edited by
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  • Nov 04, 2015
    Quiz Created by
    Kendra

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