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Secondary Growth — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYSecondary Growth1 Mark
MCQ
Timber from heart wood is:
  • A
    more fragile and resistant to the attack of insects
  • ✓
    more durable and more resistant to the attack of micro organism and insects
  • C
    more hard and less resistant to the attack of micro organism
  • D
    less durable and more resistant to the attack of micro organism and insects
✓

Answer

Correct option: B.
more durable and more resistant to the attack of micro organism and insects
more durable and more resistant to the attack of micro organism and insects

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