Biology Tissues Overview
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Questions and Answers

Which of these options are correct? (Select all that apply)

  • Lateral meristem
  • Apical meristem (correct)
  • Intercalary meristem
  • None of the above

    • Which component of blood fights infection?

  • RBC
  • Platelets
  • WBC (correct)
  • Serum

    • In desert plants, the rate of water loss is reduced due to the presence of:

  • Cuticle (correct)
  • Suberin
  • Stomata
  • Lignin

    • Cartilage is not found in:

    <p>Kidney</p> Signup and view all the answers

    Which of these types of cells is most likely to divide?

    <p>Meristem</p> Signup and view all the answers

    Companion cells are associated with:

    <p>Sieve tubes</p> Signup and view all the answers

    Which tissue has chloroplasts in its cells?

    <p>Chlorenchyma</p> Signup and view all the answers

    What type of epithelial tissue is responsible for the absorption of digested food materials in the intestine?

    <p>Columnar epithelium</p> Signup and view all the answers

    Lysosomes are called suicide bags because:

    <p>All of the above</p> Signup and view all the answers

    Which of the following statements is not true about cardiac muscles?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is not found in xylem tissues?

    <p>Sieve tubes</p> Signup and view all the answers

    Which of the following is NOT a function of stomata?

    <p>Directly participates in the process of photosynthesis</p> Signup and view all the answers

    Where is apical meristem found?

    <p>The apical meristem is found in the growing tips of stems and roots in plants.</p> Signup and view all the answers

    Which tissue makes up the husk of coconut?

    <p>Sclerenchyma tissue.</p> Signup and view all the answers

    What are the constituents of phloem?

    <p>Sieve tubes, companion cells, phloem parenchyma, and phloem fibers (bast).</p> Signup and view all the answers

    Name the tissue responsible for movement in our body.

    <p>Muscle/muscular tissue.</p> Signup and view all the answers

    What is a tissue?

    <p>A tissue is a group of cells that are similar in origin and structure, specialized to perform a particular function. Tissues function efficiently by grouping cells together. Examples include blood, phloem, and muscle.</p> Signup and view all the answers

    What is the specific function of the cardiac muscle?

    <p>Cardiac muscles are responsible for pumping blood throughout the body by rhythmic contraction and relaxation. They work continuously without fatigue.</p> Signup and view all the answers

    What is the role of epidermis in plants?

    <p>The epidermis acts as a protective layer for all plant parts. It helps prevent water loss, controls gas exchange, and secretes a waxy, water-resistant layer for protection.</p> Signup and view all the answers

    What is the utility of tissues in multicellular organisms?

    <p>In multicellular organisms, tissues enable the division of labor among different cell groups. Specific functions are performed by different types of tissues, allowing complex processes to occur efficiently. For example, the brain controls bodily functions, the heart pumps blood, kidneys filter waste, and sense organs gather information. This specialization is essential for the organism's survival and proper functioning.</p> Signup and view all the answers

    Name the following: (a) Tissue that forms the inner lining of our mouth. (b) Tissue that connects muscle to bone in human. (c) Tissue that transports food in plants. (d) Tissue that stores fat in our body.

    <p>Tendon</p> Signup and view all the answers

    What is cork? Mention its uses.

    <p>As root and stem grow older and increase in girth, peripheral tissue of root and stem become cork. Cork cells are dead and do not have any intercellular space. Cork is protective in function. It is used in manufacture of sports goods, linoleum &amp; for insulation.</p> Signup and view all the answers

    Study Notes

    Tissues

    • Tissues are groups of cells that work together to perform a specific function. They are the building blocks of organisms (plants and animals).
    • They collaborate to carry out tasks essential for the organism's survival and proper functioning.

    Plant Tissues

    • Plant tissues are categorized into two main types:
      • Meristematic tissues: Responsible for growth and development. They contain cells that continuously divide.
      • Permanent tissues: Consist of mature cells that have stopped dividing and perform specific functions (photosynthesis, storage, support). These can be further classified into various types based on their structure and function.

    Animal Tissues

    • In animals, tissues play crucial roles in maintaining the structure and function of the organism.
    • Unlike plant cells, animal cells lack cell walls, making animal tissues more flexible.
    • There are four primary types of animal tissues:
      • Epithelial tissue: Covers body surfaces, lines internal organs, and forms glands.
      • Connective tissue: Supports and connects different body parts, providing structural support and protection.
      • Muscle tissue: Enables movement by contracting and relaxing.
      • Nervous tissue: Enables communication between different parts of the body through electrical impulses.

    Differentiation

    • Differentiation is the process by which meristematic tissues change to become specialized permanent tissues.
    • This process involves activation of specific genes, leading to the development of distinct cell types with unique structures and functions.

    Meristematic Tissues

    • Crucial for plant growth and development.
    • Characterized by rapid cell division.
    • Primarily found at the tips of roots and shoots, and in regions called meristems.
    • Responsible for the continuous growth of the plant throughout its life cycle. Sub-types include apical, lateral, and intercalary meristems.

    Permanent Tissues

    • Derived from meristematic tissues.
    • Serve various structural and functional roles in the plant.
    • Consists of cells that have undergone differentiation and specialization.
    • Classified into:
      • Simple permanent tissues: Composed of similar cells. Examples include parenchyma, collenchyma, and sclerenchyma.
      • Complex permanent tissues: Composed of different cell types. Examples include xylem and phloem..

    Simple Permanent Tissues

    • Made up of one type of cell.
    • Perform a specific function.
      • Parenchyma: Living cells with thin cell walls, involved in photosynthesis, storage, and secretion.
      • Collenchyma: Living cells with thickened cell walls, providing support to growing parts (like stems and leaves).
      • Sclerenchyma: Dead cells with very thick cell walls, providing support and strength.

    Complex Permanent Tissues

    • Made up of a variety of cell types.
    • Involved in specialized functions.
      • Xylem: Transports water and minerals from roots to other parts of the plant.
      • Phloem: Transports organic nutrients (e.g., sugars) from leaves to other parts of the plant.

    Other Tissues (Animal Tissues)

    • Epithelial tissues: Protective coverings; for example, skin, lining of the digestive tract
    • Nervous tissue: Transmits signals; for example, the brain, spinal cord
    • Connective tissue: Supports and connects different structures, for example ligaments, tendons, bone
    • Muscular tissue: Enables movement; for example, skeletal muscles

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    Related Documents

    TISSUES-01 PDF - Gloria High School Biology Notes

    Description

    This quiz provides an overview of biological tissues, focusing on their role in plants and animals. Learn about the types of plant tissues, such as meristematic and permanent tissues, as well as the four primary types of animal tissues. Dive into the essential functions these tissues perform for the survival of organisms.

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