21. Tracheids are conducting cells of which tissue?
22. The main function of the inner bark of a woody plant is to
23. Which one of the following tissues is responsible for increase of girth in the stem of a plant?
24. Which of the following transports water from the roots of the plant to its leaves?
25. The water and mineral salts are transported to the various organs by which of the following?
26. The food material prepared in the plants is transported to the various organs by which of the following?
27. Cells with similar markers stick together and function as
28. Xylem tissue is mainly concerned with the
29. The major constituent of connective tissue is
30. The connective tissue that connects a muscle to a bone is
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