Mr. Macken's Cell Test

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Quizzes Created: 6 | Total Attempts: 7,493
Questions: 30 | Attempts: 177

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Mr. Macken

The cell test is 30 questions and covers cell parts, functions, and processes.


Questions and Answers
  • 1. 

    What shape are plant cells?

    • A.

      Round

    • B.

      Triangle

    • C.

      Rectangle

    • D.

      Octagon

    Correct Answer
    C. Rectangle
    Explanation
    Plant cells are typically rectangular in shape due to their rigid cell walls. The cell wall provides support and structure to the cell, allowing it to maintain its shape. While plant cells can vary in size and dimensions, their general shape is often described as rectangular or box-like. This shape allows plant cells to pack tightly together, forming tissues and providing strength to the plant.

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  • 2. 

    There are lots of different kinds of cells in the human body

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement "There are lots of different kinds of cells in the human body" is true. The human body is made up of trillions of cells, each specialized for specific functions. These cells include nerve cells, muscle cells, blood cells, skin cells, and many others. Each type of cell has a specific structure and performs specific functions necessary for the overall functioning and maintenance of the body. Therefore, the statement is correct.

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  • 3. 

    What cell part is the control center of the cell

    • A.

      Vacuole

    • B.

      Golgi complex

    • C.

      Nucleus

    • D.

      Ribosomes

    Correct Answer
    C. Nucleus
    Explanation
    The nucleus is the control center of the cell because it contains the cell's genetic material, DNA. It regulates the cell's activities by controlling the synthesis of proteins through the process of transcription and translation. The nucleus also plays a crucial role in cell division, as it directs the replication and distribution of DNA to daughter cells. Additionally, the nucleus is responsible for maintaining the integrity and stability of the genetic information, which is essential for the proper functioning of the cell.

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  • 4. 

    What cell part packages and secretes materials out of a cell?

    • A.

      Vacuole

    • B.

      Golgi complex

    • C.

      Nucleus

    • D.

      Ribosomes

    Correct Answer
    B. Golgi complex
    Explanation
    The Golgi complex is responsible for packaging and secreting materials out of a cell. It receives proteins and lipids from the endoplasmic reticulum and modifies them, sorting them into vesicles for transportation to other parts of the cell or for secretion outside of the cell. This process ensures that the materials are properly packaged and transported to their intended destinations. The vacuole, nucleus, and ribosomes do not have the same function of packaging and secreting materials out of a cell.

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  • 5. 

    What cell part produces proteins?

    • A.

      Vacuole

    • B.

      Golgi complex

    • C.

      Nucleus

    • D.

      Ribosomes

    Correct Answer
    D. Ribosomes
    Explanation
    Ribosomes are the cell part that produces proteins. They are responsible for protein synthesis in the cell. Ribosomes are composed of RNA and proteins and can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum. They read the genetic information from the DNA in the nucleus and use it to assemble amino acids into proteins. Therefore, ribosomes play a crucial role in the production of proteins, which are essential for various cellular functions and processes.

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  • 6. 

    Chloroplasts are in:

    • A.

      Plant cells only

    • B.

      Animal cells only

    • C.

      Both plant and animal cells

    Correct Answer
    A. Plant cells only
    Explanation
    Chloroplasts are responsible for photosynthesis, which is the process of converting sunlight into energy. This process is essential for plants to survive and produce their own food. Animal cells do not have chloroplasts as they obtain their energy through other means, such as consuming plants or other animals. Therefore, chloroplasts are only found in plant cells.

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  • 7. 

    The cell membrane is in:

    • A.

      Plant cells only.

    • B.

      Animal cells only.

    • C.

      Both plant and animal cells.

    Correct Answer
    C. Both plant and animal cells.
    Explanation
    The cell membrane is a vital component of both plant and animal cells. It acts as a protective barrier, controlling the movement of substances in and out of the cell. It is composed of a phospholipid bilayer, which is common to all cells. While there are some differences in the composition and structure of the cell membrane in plant and animal cells, both types of cells possess a cell membrane. Therefore, the correct answer is that the cell membrane is present in both plant and animal cells.

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  • 8. 

    Lysosomes are in:

    • A.

      Plant cells only

    • B.

      Animal cells only

    • C.

      Both plant and animal cells

    Correct Answer
    B. Animal cells only
    Explanation
    Lysosomes are membrane-bound organelles that contain enzymes responsible for breaking down waste materials and cellular debris. They are found in animal cells only. Plant cells have a similar organelle called the vacuole, which performs similar functions but is not considered a lysosome. Therefore, lysosomes are exclusive to animal cells and play a crucial role in maintaining cellular health by removing waste and recycling materials.

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  • 9. 

    The movement of oxygen molecules from a high concentration to a lower concentration is called:

    • A.

      Diffusion

    • B.

      Osmosis

    • C.

      Active Transport

    Correct Answer
    A. Diffusion
    Explanation
    Diffusion is the correct answer because it refers to the movement of molecules from an area of high concentration to an area of lower concentration. This process occurs spontaneously and does not require any energy input. In the context of oxygen molecules, they will naturally move from areas with higher oxygen concentration, such as the lungs, to areas with lower oxygen concentration, such as the body tissues, through diffusion.

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  • 10. 

    The movement of water molecules from a higher concentration to a lower concentration is called.

    • A.

      Diffusion

    • B.

      Osmosis

    • C.

      Active Transport

    Correct Answer
    B. Osmosis
    Explanation
    Osmosis is the correct answer because it refers to the movement of water molecules from an area of higher concentration to an area of lower concentration. This process occurs across a semipermeable membrane, allowing water to pass through while preventing the passage of solute particles. Diffusion, on the other hand, refers to the movement of particles (including solute particles) from an area of higher concentration to an area of lower concentration, regardless of the substance being transported. Active transport involves the movement of particles against their concentration gradient, requiring energy expenditure by the cell.

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  • 11. 

    This process requires energy to move molecules from a low to a high.

    • A.

      Diffusion

    • B.

      Osmosis

    • C.

      Active Transport

    Correct Answer
    C. Active Transport
    Explanation
    Active transport is the correct answer because it is the process that requires energy to move molecules from a low to a high concentration. Diffusion, on the other hand, does not require energy and instead occurs naturally from an area of high concentration to an area of low concentration. Osmosis is a specific type of diffusion that involves the movement of water molecules across a selectively permeable membrane.

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  • 12. 

    Celery sitting in salt water gets rubbery/bendy because:

    • A.

      Salt enters the cells.

    • B.

      Salt leaves the cells.

    • C.

      Water enters the cells.

    • D.

      Water leaves the cells.

    Correct Answer
    D. Water leaves the cells.
    Explanation
    When celery sits in salt water, it undergoes a process called osmosis. Osmosis is the movement of water molecules from an area of lower solute concentration (in this case, the celery cells) to an area of higher solute concentration (the saltwater). The saltwater has a higher concentration of solutes compared to the celery cells, so water molecules move out of the cells to try to equalize the concentration. As a result, the cells lose water and become dehydrated, causing the celery to become rubbery and bendy.

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  • 13. 

    Photosynthesis requires:

    • A.

      Carbon dioxide, water, and sunlight

    • B.

      Glucose, water, and sunlight

    • C.

      Oxygen, water, and sunlight

    • D.

      Glucose, carbon dioxide, and sunlight

    Correct Answer
    A. Carbon dioxide, water, and sunlight
    Explanation
    Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. Glucose is the primary source of energy for these organisms, and oxygen is released as a byproduct. Therefore, the correct answer is carbon dioxide, water, and sunlight.

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  • 14. 

    Photosynthesis happens in what cell part?

    • A.

      Vacuole

    • B.

      Cell wall

    • C.

      Choloroplast

    • D.

      Cytoplasm

    Correct Answer
    C. Choloroplast
    Explanation
    Chloroplast is the correct answer because it is the cell part where photosynthesis occurs. Chloroplasts contain chlorophyll, a pigment that absorbs sunlight, and other enzymes necessary for the process of photosynthesis. Inside the chloroplasts, light energy is converted into chemical energy, which is then used to produce glucose and oxygen. Therefore, chloroplasts play a crucial role in the process of photosynthesis in plant cells.

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  • 15. 

    Respiration happens in what cell part?

    • A.

      Golgi complex

    • B.

      Cell membrane

    • C.

      Lysosome

    • D.

      Mitochondria

    Correct Answer
    D. Mitochondria
    Explanation
    Mitochondria is the correct answer because it is the powerhouse of the cell where respiration takes place. It is responsible for producing energy in the form of ATP through the process of cellular respiration. Mitochondria have their own DNA and are capable of self-replication, making them essential for cellular function and survival.

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  • 16. 

    Which process requires glucose to make energy?

    • A.

      Photosynthesis

    • B.

      Respiration

    • C.

      Diffusion

    • D.

      Osmosis

    Correct Answer
    B. Respiration
    Explanation
    Respiration is the process that requires glucose to make energy. During respiration, glucose is broken down in the presence of oxygen to produce ATP, the energy currency of cells. This process occurs in the mitochondria of cells and is essential for the survival and functioning of living organisms. Photosynthesis, on the other hand, is the process by which plants convert sunlight into glucose, while diffusion and osmosis are passive processes involved in the movement of substances across cell membranes.

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  • 17. 

    What does the "mighty" mitochondria do?

    • A.

      It is a rigid wall to protect the plant

    • B.

      It eats up viruses.

    • C.

      It breaksdown glucose (sugar) to make energy

    • D.

      It make protein.

    Correct Answer
    C. It breaksdown glucose (sugar) to make energy
    Explanation
    The mitochondria is known as the powerhouse of the cell because it is responsible for breaking down glucose (sugar) to produce energy in the form of ATP through a process called cellular respiration. This energy is essential for various cellular activities and functions.

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  • 18. 

    Animals need plants to live because:

    • A.

      They look good in our living rooms

    • B.

      They make oxygen.

    • C.

      The move by osmosis.

    • D.

      They make carbon dioxide.

    Correct Answer
    B. They make oxygen.
    Explanation
    Plants produce oxygen through a process called photosynthesis, where they convert sunlight, water, and carbon dioxide into glucose and oxygen. This oxygen is released into the atmosphere and is essential for the survival of animals. Animals, including humans, rely on oxygen for respiration, which is the process that provides energy to their cells. Therefore, animals need plants to live because plants produce the oxygen that animals require for their survival.

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  • 19. 

    Plants use the energy in __________ to make glucose.

    • A.

      Sugar

    • B.

      Sunlight

    • C.

      Heat

    • D.

      Soil

    Correct Answer
    B. Sunlight
    Explanation
    Plants use the energy in sunlight to make glucose through a process called photosynthesis. During photosynthesis, plants use chlorophyll, a pigment in their leaves, to capture sunlight. This energy is then used to convert carbon dioxide and water into glucose and oxygen. Glucose is a type of sugar that serves as the primary source of energy for plants. Therefore, sunlight is essential for plants to produce glucose and carry out their metabolic processes.

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  • 20. 

    Osmosis is:

    • A.

      The diffusion of water.

    • B.

      The respiration of water.

    • C.

      The fusion of water.

    • D.

      The formation of water.

    Correct Answer
    A. The diffusion of water.
    Explanation
    Osmosis is the process of water molecules moving from an area of lower solute concentration to an area of higher solute concentration through a selectively permeable membrane. This movement occurs in order to equalize the concentration of solutes on both sides of the membrane. It is a type of passive transport, as it does not require energy input. Therefore, the correct answer is "the diffusion of water."

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  • 21. 

    What substance used in photosynthesis does the plant get through the roots?

    • A.

      Carbon dioxide

    • B.

      Oxygen

    • C.

      Water

    • D.

      Sunlight

    Correct Answer
    C. Water
    Explanation
    Plants obtain water through their roots, which is an essential substance used in photosynthesis. Water is absorbed by the roots and transported to the leaves where it is used in the process of photosynthesis, along with sunlight and carbon dioxide, to produce glucose and oxygen. Without water, plants would not be able to carry out photosynthesis and produce the necessary energy for their growth and survival.

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  • 22. 

    What substance enters through the leaves and is needed for photosynthesis?

    • A.

      Carbon dioxide

    • B.

      Oxygen

    • C.

      Water

    Correct Answer
    A. Carbon dioxide
    Explanation
    During photosynthesis, plants use carbon dioxide as a raw material to produce glucose and oxygen. Carbon dioxide enters through the leaves of the plant and is absorbed by tiny openings called stomata. Inside the chloroplasts, carbon dioxide combines with water and sunlight to undergo a series of chemical reactions, resulting in the production of glucose, which is used by the plant for energy, and oxygen, which is released back into the atmosphere. Therefore, carbon dioxide is the substance that enters through the leaves and is needed for photosynthesis.

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  • 23. 

    What substance is created by photosynthesis and is a food source for the plant?

    • A.

      Carbon dioxide

    • B.

      Water

    • C.

      Oxygen

    • D.

      Glucose

    Correct Answer
    D. Glucose
    Explanation
    Glucose is the correct answer because it is the substance created by photosynthesis and serves as a food source for the plant. During photosynthesis, plants convert carbon dioxide and water into glucose using sunlight as an energy source. Glucose is then used by the plant for energy production, growth, and other metabolic processes.

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  • 24. 

    Which directions will the red molecules move?

    • A.

      Out of the cell

    • B.

      Into the cell

    • C.

      Neither, they are in equilibrium

    Correct Answer
    A. Out of the cell
    Explanation
    The red molecules will move out of the cell because there is a higher concentration of red molecules inside the cell compared to outside. This concentration gradient causes the molecules to move from an area of high concentration (inside the cell) to an area of low concentration (outside the cell). This process is known as diffusion.

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  • 25. 

    Which directions will the red molecules move?

    • A.

      Out of the cell

    • B.

      Into the cell

    • C.

      Neither, they are in equilibrium

    Correct Answer
    C. Neither, they are in equilibrium
    Explanation
    The red molecules will not move in any specific direction because they are in equilibrium. In equilibrium, the concentration of molecules is evenly distributed, resulting in no net movement. Therefore, the red molecules will remain in their current positions and not move either into or out of the cell.

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  • 26. 

    Which directions will the red molecules move?:

    • A.

      Out of the cell

    • B.

      Into the cell

    • C.

      Neither, they are in equilibrium

    Correct Answer
    B. Into the cell
    Explanation
    The red molecules will move into the cell because the question implies that there is a concentration gradient favoring movement into the cell.

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  • 27. 

    Which letter is pointing to the nucleus?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    • E.

      E

    Correct Answer
    E. E
    Explanation
    The letter E is pointing to the nucleus.

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  • 28. 

    Which letter is pointing to the chloroplast?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    • E.

      E

    Correct Answer
    B. B
    Explanation
    The correct answer is B because it is the only letter that is pointing directly to the chloroplast. The chloroplast is a specialized organelle found in plant cells that is responsible for photosynthesis, which is the process of converting sunlight into energy. The other letters do not indicate any specific organelle or structure in the diagram.

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  • 29. 

    Which letter is pointing to the vacuole?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    • E.

      E

    Correct Answer
    A. A
    Explanation
    In the given question, the letter A is pointing to the vacuole. The vacuole is a membrane-bound organelle found in the cells of plants, fungi, and some protists. It is responsible for storing water, nutrients, and waste products. The image or diagram associated with the question is not provided, but based on the given options, A is the correct answer as it is the letter pointing to the vacuole.

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  • 30. 

    Which letter is pointing to the cell wall?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    • E.

      E

    Correct Answer
    C. C
    Explanation
    The letter C is pointing to the cell wall because it is the only option that is connected to the outer edge of the cell. The other options, A, B, D, and E, are pointing towards the inside of the cell or towards other structures within the cell. Therefore, C is the correct answer as it indicates the location of the cell wall.

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