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Read the following statements about the vascular bundles:
(a) In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
(b) Conjoint closed vascular bundles do not possess cambium
(c) In open vascular bundles, cambium is present in between xylem and phloem
(d) The vascular bundles of dicotyledonous stem possess endarch protoxylem
(e) In monocotyledonous root, usually there are more than six xylem bundles present
Choose the most appropriate answer from the options given below:

Option: 1

(a),(c),(d) and (e) Only


Option: 2

(a),(b),(c) and (d) Only


Option: 3

(b), (c), (d) and (e) Only
 


Option: 4

(a), (b) and (d) Only


Answers (1)

best_answer

 

  • Statement (a) In roots, the xylem and phloem in a vascular bundle are alternately organized along various radii. This statement is correct and reflects how the xylem and phloem are arranged in root vascular bundles.
  • Statement (b) Conjoint closed vascular bundles lack cambium. This statement is not included in the correct option.
  • Statement (c) Cambium is found between the xylem and phloem in open vascular bundles. This statement is correct because cambium is present in open vascular bundles.
  • Statement (d) Dicotyledonous stem vascular bundles contain endarch protoxylem. This statement is true and refers to the arrangement of the protoxylem towards the center of the stem.
  • Statement (e) In the monocotyledonous root, usually there are more than six xylem bundles present. This statement is true and describes the typical number of xylem bundles in monocotyledonous roots.
  • Therefore, the correct option is Option 1, which includes statements (a), (c), (d), and (e) only.


     

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Pankaj

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