Main function of lenticel is

A. transpiration

B. guttation

C. gaseous exchange

D. both (a) & (c)

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Lignin is the important constituent in the cell wall of
  2. Tissues are classified into two main groups, namely meristematic and permanent tissues on the basis…
  3. A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells.…
  4. Match column-I with column-II and choose the correct option.Column -IColumn -IIA. Bulliform cellsI.…
  5. A common structural feature of vessel elements and sieve tube elements are
  6. Cork cambium and vascular cambium are
  7. In land plants, the guard cells differ from other epidermal cells in having
  8. Match the terms given in column I with their features given in column II and choose the correct option.Column-IColumn-II(Terms)(Features)A.…
  9. Which one of the followings option shows the correct labelling of the parts marked as A, B, C and D…
  10. The trees growing in desert will
  11. Which of the following statement(s) is/are not correct?Cork cambium is also called phellogen.Cork is…
  12. The vessel elements of angiosperms differ from other elements of xylem in having
  13. One of the primary function of the ground tissue in a plant is
  14. Some vascular bundles are described as open because these
  15. A tissue is a group of cells which are
  16. Match the followings and choose the correct optionColumn-IColumn-IIA. CuticleI. Guard cellsB. Bulliform…
  17. The __________ occurs in layers below the epidermis in dicotyledonous plants.
  18. Sclerenchyma usually___________and_____________ protoplasts.
  19. Match column-I with column-II and choose the correct option.A. Spring wood orI. Lighter in colour early…
  20. Which of the following is responsible for the formation of an embryonic shoot called axillary bud?
  21. Cork is formed from
  22. Which of the following figure is a type of permanent tissue having many different types of cell?
  23. In the given figure of phloem tissue, identify the marked part (A, B and C) which help in maintaining…
  24. A piece of wood having no vessels (trachea) must be belonged to
  25. Gymnosperms are also called soft wood spermatophytes because they lack
  26. Xylem functions as a conducting tissue for water and minerals from _________to the ______and__________.
  27. A student was given a tissue to observe under the microscope. He observes the tissue and concludes that…
  28. Tissue(s) present in an annual ring is/are
  29. Identify the types of simple tissue indicated by A, B, C and D and their function.
  30. Why grafting is successful in dicots ?