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STD 11 - 6. Anatomy flowering plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 6. Anatomy flowering plants1 Mark
MCQ
Tissue present in an annual ring is
  • A
    Secondary xylem and phloem
  • B
    Primary xylem and phloem
  • ✓
    Secondary xylem only
  • D
    Primary phloem and secondary xylem
✓

Answer

Correct option: C.
Secondary xylem only
c
(c) The annual rings are formed by secondary xylem because the growth in spring and autumn seasons forms spring and autumn wood which constitute the annual ring which helps in the estimation of plant age.

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