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STD 12 - 10. biotechnology and its application — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 10. biotechnology and its application4 Marks
MCQ
Damaged sieve tubes are sealed by deposition of
  • A
    Pectin
  • ✓
    Callus
  • C
    Suberin
  • D
    Lignin
✓

Answer

Correct option: B.
Callus
b
(b) Sieve pores are surrounded by a highly referangible substance called callus which is formed by a carbohydrate called callose.

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