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Which of the following process helps the trichomes in preventing water loss?

A. Where companion cells helps in maintaining the pressure gradient in the sieve tubes.

B. Where plants absorb water through the roots and then give off water vapor through pores in their leaves.

C. Where activity of cork cambium builds pressure on the remaining layers peripheral to phellogen and ultimately these layers dies and slough off.

D. None of the above

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  1. Match the names of the structures given in column-I with the functions given in column-II, choose the…
  2. Cork cambium and vascular cambium are
  3. The __________ occurs in layers below the epidermis in dicotyledonous plants.
  4. Choose the correct labelling of (A J) in the given figure of T.S. of monocot root.
  5. T.S. of dicot leaf passing through the midrib is given below. Certain parts have been marked by alphabets…
  6. Read the following statements and answer the question.Cambium is very active and produces a large number…
  7. Which of the following statement(s) is/are not correct?Cork cambium is also called phellogen.Cork is…
  8. The given diagrams show stomatal apparatus in dicots and monocots. Which one is correct option for A,…
  9. A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells.…
  10. Bast fibres are made up of _____________cells.
  11. Which of the following statements is correct?
  12. Match column-I with column-II and choose the correct option.A. Spring wood orI. Lighter in colour early…
  13. Apical, intercalary and lateral meristems are differentiated on the basis of
  14. A student was given a tissue to observe under the microscope. He observes the tissue and concludes that…
  15. Identify A, B and C in the given figure of shoot apical meristem
  16. In stems, the protoxylem lies towards the _____________ and the metaxylem lies towards the ____________…
  17. Which one of the following have vessels as their characteristic feature?
  18. Which of the following process helps the trichomes in preventing water loss?
  19. Which of the following statement(s) is/are correct ?Uneven thickening of cell wall is characteristic…
  20. Read the following statements and answer the question.It has a sclerenchymatous hypodermis, a large…
  21. Which one of the following statement is incorrect ?Epidermal cell has small amount of cytoplasm and…
  22. Lignin is the important constituent in the cell wall of
  23. Which one of the followings option shows the correct labelling of the parts marked as A, B, C and D…
  24. 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.…
  25. Apical and intercalary meristems are primary meristems because
  26. T.S. of monocot leaf is given below, certain parts have been marked by alphabets (A G). Which one is…
  27. The apical meristem of the root is present
  28. The length of different internodes in a culm of sugarcane is variable because of
  29. In the given columns, column I contain structures of female reproductive system and column II contain…
  30. Which of the following are present in monocot root ?