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General Knowledge :: Biology

  1. Tracheids are conducting cells of which tissue?

  2. A.

     Xylem

    B.

     Phloem

    C.

     Cambium

    D.

     None of these


  3. The main function of the inner bark of a woody plant is to

  4. A.

     Transport minerals and water from the roots to the leaves

    B.

     Act as a membrane impermeable to water and gas

    C.

     Transport food from the leaves to the other parts of the plant

    D.

     Protect the plant from herbivorous animals


  5. Which one of the following tissues is responsible for increase of girth in the stem of a plant?

  6. A.

     Tracheid

    B.

     Pericycle

    C.

     Intercalary meristem

    D.

     Lateral meristem


  7. Which of the following transports water from the roots of the plant to its leaves?

  8. A.

     Xylem

    B.

     Phloem

    C.

     Both xylem and phloem

    D.

     Cortex


  9. The water and mineral salts are transported to the various organs by which of the following?

  10. A.

     Xylem

    B.

     Phloem

    C.

     Cortex

    D.

     Cambium


  11. The food material prepared in the plants is transported to the various organs by which of the following?

  12. A.

     Xylem

    B.

     Phloem

    C.

     Cortex

    D.

     Cambium


  13. Cells with similar markers stick together and function as

  14. A.

     Organs

    B.

     Tissues

    C.

     Systems

    D.

     Organisms


  15. Xylem tissue is mainly concerned with the

  16. A.

     Photosynthesis of plants

    B.

     Transport of water and mineral nutrients in plants

    C.

     Storage of prepared foods in plants

    D.

     Transport of enzymes in plants


  17. The major constituent of connective tissue is

  18. A.

     Lipid

    B.

     Carbohydrate

    C.

     Cholesterol

    D.

     Collagen


  19. The connective tissue that connects a muscle to a bone is

  20. A.

     Cartilage

    B.

     Ligament

    C.

     Tendon

    D.

     Interstitial fluid