Knots in the wood are formed by.

Insect injury

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Growth of secondary tissues over wounds of fallen branches

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Bacterial tumours

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None of these

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Solution

The correct option is B Growth of secondary tissues over wounds of fallen branches

Formation of secondary tissues from the areas, at which branches are separated from the main stem due to injuries or naturally are called knots.

These are the imperfections that cause living wood grain gain to grow around them.
So, the correct option is ‘growth of secondary tissues over wounds of fallen branches’.

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Similar questions

Which of the following statements is/are true about the process of wound healing?

1. Healing of the wound is a process that occurs after inflammation and blood clotting.

2. When new tissues cannot be formed, a scar is formed.

3. Connective tissue heals the wound when new tissues cannot be formed.

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