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Sieve tubes are suited for translocation of food because they possess

A. bordered pits.

B. no ends walls.

C. broader lumen and perforated cross walls.

D. no protoplasm.

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

You can do it
  1. Read the following statements and answer the question.Cambium is very active and produces a large number…
  2. Main function of lenticel is
  3. Match the names of the structures given in column-I with the functions given in column-II, choose the…
  4. The apical meristem of the root is present
  5. Tissues are classified into two main groups, namely meristematic and permanent tissues on the basis…
  6. A common structural feature of vessel elements and sieve tube elements are
  7. Apical, intercalary and lateral meristems are differentiated on the basis of
  8. T.S. of dicot stem is given below, certain parts have been marked by alphabets (A I). Choose the option…
  9. Which of the following are present in monocot root ?
  10. Identify types of vascular bundles in given figures A, B and C.
  11. Which of following helps bamboo and grasses to elongate ?
  12. The vessel elements of angiosperms differ from other elements of xylem in having
  13. Gymnosperms are also called soft wood spermatophytes because they lack
  14. Sclerenchyma usually___________and_____________ protoplasts.
  15. A narrow layer of thin walled cells found between phloem/ bark and wood of a dicot is
  16. Bast fibres are made up of _____________cells.
  17. Which of the following is responsible for the formation of an embryonic shoot called axillary bud?
  18. Which one of the followings option shows the correct labelling of the parts marked as A, B, C and D…
  19. Which meristem helps in increasing girth?
  20. Match the terms given in column I with their funciton given in column II and choose the correct option.Column-IColumn-II(Term)(Functions)A.…
  21. Match the elements of xylem given in column I with their character given in the column II and choose…
  22. Match column-I with column-II and choose the correct option.A. Spring wood orI. Lighter in colour early…
  23. T.S. of dicot leaf passing through the midrib is given below. Certain parts have been marked by alphabets…
  24. During the formation of leaves and elongation of stem, some cells left behind from the shoot apical…
  25. Which of the following pair of match is not correct?
  26. Which of the following figure is a type of permanent tissue having many different types of cell?
  27. The __________ occurs in layers below the epidermis in dicotyledonous plants.
  28. Why grafting is successful in dicots ?
  29. Cambium is considered as a lateral meristem because
  30. 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.…