Knots in stems are formed due to [DPMT 1980, 86; MP PMT 1984; BHU 1988 – McqOptions

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1.	Knots in stems are formed due to [DPMT 1980, 86; MP PMT 1984; BHU 1988]
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
Answer» C. Injury caused by insects

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