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Cell: The Unit of Life

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Cell theory

Subtopic

Learn and revise Cell theory.

About Topic & Revision

Preview questions (no answers)

Preview questions will be available shortly.

Download the worksheet for Cell: The Unit of Life - Cell theory to practice offline. It includes additional chapter-level practice questions.

Structure of Prokaryotic and Eukaryotic cells

Subtopic

Structure of Prokaryotic and Eukaryotic cells under Cell: The Unit of Life for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A few chromosomes have non-staining secondary constrictions at a constant location. This gives the appearance of a small fragment called the:

    A.

    Centromere

    B.

    Satellite

    C.

    Kinetochore

    D.

    Chromatid

  2. 2.

    A chromosome where the centromere is slightly away from the middle, resulting in one shorter arm and one longer arm, is known as:

    A.

    Metacentric

    B.

    Sub-metacentric

    C.

    Acrocentric

    D.

    Telocentric

  3. 3.

    A chromosome with the centromere exactly in the middle, forming two equal arms, is called:

    A.

    Sub-metacentric

    B.

    Acrocentric

    C.

    Metacentric

    D.

    Telocentric

Download the worksheet for Cell: The Unit of Life - Structure of Prokaryotic and Eukaryotic cells to practice offline. It includes additional chapter-level practice questions.

Cell envelope, Cell membrane, Cell wall

Subtopic

Cell envelope, Cell membrane, Cell wall under Cell: The Unit of Life for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The non-polar tail of a phospholipid molecule is made up of:

    A.

    Glycerol

    B.

    Saturated hydrocarbons

    C.

    Phosphate groups

    D.

    Nitrogenous bases

  2. 2.

    Proteins that are totally buried in the membrane are called:

    A.

    Peripheral proteins

    B.

    Integral proteins

    C.

    Surface proteins

    D.

    Extrinsic proteins

  3. 3.

    The cell wall is a non-living, rigid structure that forms an outer covering for the plasma membrane of:

    A.

    Animals and Protists

    B.

    Fungi and Plants

    C.

    Animals and Bacteria

    D.

    Only Plants

Download the worksheet for Cell: The Unit of Life - Cell envelope, Cell membrane, Cell wall to practice offline. It includes additional chapter-level practice questions.

Cell organelles (Mitochondria, Ribosomes, Golgi bodies, etc.)

Subtopic

Cell organelles (Mitochondria, Ribosomes, Golgi bodies, etc.) under Cell: The Unit of Life for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The Golgi apparatus consists of many flat, disc-shaped sacs called:

    A.

    Cristae

    B.

    Cisternae

    C.

    Stroma

    D.

    Vesicles

  2. 2.

    Which of the following is the site of the 'dark reaction' or carbon fixation in photosynthesis?

    A.

    Grana

    B.

    Inner membrane

    C.

    Stroma

    D.

    Perimitochondrial space

  3. 3.

    The flat membranous sacs present in the stroma of the chloroplast are:

    A.

    Cristae

    B.

    Thylakoids

    C.

    Cisternae

    D.

    Inclusion bodies

Download the worksheet for Cell: The Unit of Life - Cell organelles (Mitochondria, Ribosomes, Golgi bodies, etc.) to practice offline. It includes additional chapter-level practice questions.

Nucleus and Cytoskeleton

Subtopic

Nucleus and Cytoskeleton under Cell: The Unit of Life for Grade 11 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following is true about the nucleolus?

    A.

    It is membrane-bound

    B.

    It is the site of ribosome subunit synthesis

    C.

    It contains the cell's entire DNA

    D.

    It is located in the cytoplasm

  2. 2.

    Which of the following is a function of the basal body?

    A.

    Anchoring the cilia and flagella

    B.

    Storing calcium

    C.

    Staining the nucleus

    D.

    Dividing the centromere

  3. 3.

    What is the charge of histone proteins which helps them bind to DNA?

    A.

    Negative

    B.

    Positive

    C.

    Neutral

    D.

    Variable

Download the worksheet for Cell: The Unit of Life - Nucleus and Cytoskeleton to practice offline. It includes additional chapter-level practice questions.