Chapter 7 Cell Structure And Function Quiz Questions

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Chapter 7 Cell Structure And Function Quiz Questions - Quiz

A cell is the smallest functional unit of an organism and is considered a building block of all living cells. In the previous unit, we covered plant cells and their functions. Take up the test below to remind yourself of what was covered and note what you didn’t understand. All the best!


Questions and Answers
  • 1. 

    What is a Cell?

    • A.

      An organism which is made of one cell

    • B.

      The basic unit of all organisms

    • C.

      The diffusion of water

    Correct Answer
    B. The basic unit of all organisms
    Explanation
    A cell is the fundamental unit of all living organisms. It is the smallest structure capable of performing all the functions necessary for life. Cells are responsible for carrying out various processes such as metabolism, growth, and reproduction. They can exist as single-celled organisms or as part of a multicellular organism. Each cell contains genetic material and organelles that perform specific functions. Understanding the structure and function of cells is crucial in biology as it helps in studying and comprehending the complexities of life.

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  • 2. 

    what is Unicellular?

    • A.

      A cell which has a specific function to perform

    • B.

      The basic unit of all madder

    • C.

      An organism which is made of one cell

    Correct Answer
    C. An organism which is made of one cell
    Explanation
    Unicellular refers to an organism that is made up of only one cell. Unlike multicellular organisms, which are composed of multiple cells with specialized functions, unicellular organisms are capable of performing all necessary functions within a single cell. This includes processes such as reproduction, metabolism, and responding to their environment. Examples of unicellular organisms include bacteria, protozoa, and certain types of algae.

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  • 3. 

    what is Multicellular?

    • A.

      A group of tissues

    • B.

      Anything which can independently carry out life processes

    • C.

      An organism which is made of more than one cell

    Correct Answer
    C. An organism which is made of more than one cell
    Explanation
    Multicellular refers to an organism that is made up of more than one cell. This means that the organism's body is composed of multiple cells that work together to perform various functions. Unlike unicellular organisms, which consist of only one cell, multicellular organisms have specialized cells that are organized into tissues, organs, and organ systems. This organization allows multicellular organisms to carry out complex life processes and perform specific functions efficiently.

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  • 4. 

    Cell membrane is?

    • A.

      Flexible structure which surrounds a cell and controls the movement of materials in and out of the cell

    • B.

      Protein which requires energy

    • C.

      A cell group of cells

    Correct Answer
    A. Flexible structure which surrounds a cell and controls the movement of materials in and out of the cell
    Explanation
    The cell membrane is a flexible structure that surrounds a cell and regulates the movement of substances in and out of the cell. It acts as a protective barrier, allowing certain molecules to pass through while preventing others from entering or leaving. This selective permeability is essential for maintaining the cell's internal environment and ensuring proper functioning.

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  • 5. 

    Phospholipids is a type of molecule which regulates the transport of materials?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Phospholipids are indeed a type of molecule that regulates the transport of materials. They are a major component of cell membranes and play a crucial role in maintaining the integrity and functionality of cells. The structure of phospholipids allows them to form a lipid bilayer, which acts as a barrier and selectively controls the movement of substances in and out of the cell. This regulation of transport is essential for various cellular processes, such as nutrient uptake, waste removal, and cell signaling. Therefore, the statement is true.

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  • 6. 

    Proteins are one type of biochemical which regulates the transport of materials?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Proteins are indeed one type of biochemical that play a crucial role in regulating the transport of materials within cells. They can act as transporters, channels, or carriers, facilitating the movement of ions, molecules, and other substances across cell membranes. Additionally, proteins are involved in intracellular transport processes, such as the movement of vesicles or organelles within the cell. Therefore, the statement that proteins regulate the transport of materials is true.

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  • 7. 

    what is Osmosis?

  • 8. 

    what is Specialized cell?

    • A.

      A group of organs

    • B.

      A group of cells

    • C.

      A cell which has a specific function to perform

    Correct Answer
    C. A cell which has a specific function to perform
    Explanation
    A specialized cell refers to a cell that has a specific function to perform. Unlike other cells, which are more general in nature, specialized cells are uniquely structured and equipped to carry out specific tasks within an organism. These cells have distinct features and characteristics that allow them to perform their designated functions efficiently. Specialized cells are found in various tissues and organs throughout the body, contributing to the overall functioning and organization of the organism.

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  • 9. 

    Active transport is?

    • A.

      The movement of particles through a protein which requires energy

    • B.

      The movement of particles through a protein which does NOT require energy

    • C.

      Movement of water

    Correct Answer
    A. The movement of particles through a protein which requires energy
    Explanation
    Active transport is the process of moving particles through a protein that requires energy. Unlike passive transport, which does not require energy, active transport uses energy to move particles against their concentration gradient. This process is essential for maintaining proper cellular function and enables the cell to control the movement of specific molecules in and out of the cell.

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  • 10. 

    what is Passive transport?

    • A.

      Movement of water

    • B.

      The movement of particles through a protein which does NOT require energy

    • C.

      The movement of particles through a protein which requires energy

    Correct Answer
    B. The movement of particles through a protein which does NOT require energy
    Explanation
    Passive transport refers to the movement of particles through a protein without the need for energy. This process occurs along a concentration gradient, where particles move from an area of higher concentration to an area of lower concentration. It is a spontaneous process that does not require the input of energy from the cell.

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  • 11. 

    What is tissue?

  • 12. 

    a Organ is a group of tissues which work together to perform a specific function?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An organ is indeed a group of tissues that work together to perform a specific function. Each organ has a specific role in the body and is made up of different types of tissues that collaborate to carry out that function. Examples of organs include the heart, lungs, liver, and kidneys.

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  • 13. 

    a Organ system is a group of organs which work together to perform a specific function?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An organ system is indeed a group of organs that collaborate and work together to carry out a particular function in the body. Each organ within the system has a specific role to play, and by working together, they ensure the proper functioning of the body. Examples of organ systems include the respiratory system, digestive system, and circulatory system, among others.

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  • 14. 

    Organism is ?

    • A.

      Anything which can independently carry out life processes

    • B.

      Movement of particals through a protein

    • C.

      The diffusion of water

    Correct Answer
    A. Anything which can independently carry out life processes
    Explanation
    An organism is defined as anything that can independently carry out life processes. This means that an organism is capable of performing essential functions such as growth, reproduction, metabolism, and response to stimuli without relying on another organism for survival. This definition encompasses a wide range of living entities, including plants, animals, and microorganisms. Organisms can vary greatly in size, complexity, and habitat, but they all share the ability to sustain life processes on their own.

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  • 15. 

    diffusion is?

    • A.

      The movement of particles from an area of high concentration to low concentration

    • B.

      The diffusion of water

    • C.

      A clock

    Correct Answer
    A. The movement of particles from an area of high concentration to low concentration
    Explanation
    Diffusion is the process by which particles move from an area of high concentration to an area of low concentration. This occurs due to the random motion of particles and the desire for them to reach a state of equilibrium. As particles move from areas of high concentration to low concentration, they spread out and become evenly distributed. This is a fundamental process in various biological and physical systems, such as the exchange of gases in the lungs and the mixing of substances in a solution.

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  • 16. 

    Semi-permeable is the characteristic of a material which allows only certain materials to pass through it?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because a semi-permeable material selectively allows only certain materials to pass through it while blocking others. This property is commonly observed in biological membranes, such as cell membranes, which regulate the passage of ions and molecules.

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  • 17. 

    Permeable is the characteristic of a material which allows other substance to pass through it?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Permeable materials are those that allow other substances to pass through them. This means that they have small holes or spaces that allow the movement of gases or liquids. Therefore, the statement "Permeable is the characteristic of a material which allows other substances to pass through it" is true.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 21, 2015
    Quiz Created by
    Florgasm
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