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6.Anatomy of Flowering Plants
normal
Knots in stems are formed due to
A
Tumors formed due to bacterial infection of wounds
B
Outgrowth of seconday tissue over wounds
C
Injury caused by insects
D
None of the above
Solution
(b) Knots : When wounds around cells undergo rapid cell division, then wound is covered by cells but the wound is not completely healup, so in adult stem knots are established.
Standard 11
Biology