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Cork is formed from

A. phellogen

B. vascular cambium

C. phloem

D. xylem

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  1. Match the followings and choose the correct optionColumn-IColumn-IIA. CuticleI. Guard cellsB. Bulliform…
  2. Which of the following process helps the trichomes in preventing water loss?
  3. Bast fibres are made up of _____________cells.
  4. The given figure shows T.S. of monocot stem. Identify the correct labelling of A to F marked in the…
  5. When we peel the skin of a potato tuber, we remove
  6. Match column-I with column-II and choose the correct option.Column -IColumn -IIA. Bulliform cellsI.…
  7. A piece of wood having no vessels (trachea) must be belonged to
  8. The trees growing in desert will
  9. Tissue(s) present in an annual ring is/are
  10. Cambium is considered as a lateral meristem because
  11. Which meristem helps in increasing girth?
  12. A narrow layer of thin walled cells found between phloem/ bark and wood of a dicot is
  13. The given figure shows the secondary growth in a dicot stem. Their parts are marked as A, B, C, D, E…
  14. Various functions like photosynthesis, storage, excretion performed by _____________.
  15. The vessel elements of angiosperms differ from other elements of xylem in having
  16. In stems, the protoxylem lies towards the _____________ and the metaxylem lies towards the ____________…
  17. Trees at sea do not have annual rings because
  18. 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.…
  19. Read the following statements and answer the question.Cambium is very active and produces a large number…
  20. Tissues are classified into two main groups, namely meristematic and permanent tissues on the basis…
  21. The given diagrams show stomatal apparatus in dicots and monocots. Which one is correct option for A,…
  22. Sieve tubes are suited for translocation of food because they possess
  23. Which one of the following option shows the correct labelling of the parts marked as A, B, C and D in…
  24. Phellogen and phellem respectively denote
  25. Which of the following is responsible for the formation of an embryonic shoot called axillary bud?
  26. Which one of the following statement is incorrect ?Epidermal cell has small amount of cytoplasm and…
  27. Which of following helps bamboo and grasses to elongate ?
  28. As secondary growth proceeds, in a dicot stem, the thickness of
  29. Some vascular bundles are described as open because these
  30. Which one of the followings option shows the correct labelling of the parts marked as A, B, C and D…