Heartwood is durable and resistant to the attacks of microbes and insects due to

Statement-1 : The heart wood is more durable and resistant to the attack of the micro organisms and insects as compared to the sap wood. Statement-2: The heart wood contain organic compounds like oils , aromatic substance , gums, resin, tannins and phenols etc.

Fill in the blanks: In older trees , the greater part of …a…. Is dark brown due to deposition of tannins, resins, oil, guns, aromatic substances and essential oil in the central layers of the stem. These substances make it hard durable and resistant to the attacks of microorganisms and insects .This region is called .. b ...

Statement-1 : The heart wood is more durable and resistant to the attack of the micro orgganims and insects as compared ot the sap wood. Statement-2: The heart wood contain organic compounds like oils , aromatic substance , gums, resin, tannins and phenol etc.

Heart wood is durable and resistant to microbial attacks due to the deposition of

Heart wood is durable and resistant to microbial attacks due to the deposition of

Pines project themselves from microbes and insects through

which of the following varieties of Bhindi is resistant to the attack of shoot and fruit borer?

Pines protect themselves from microbes and insects through resin.

The ability of the venus fly trap of capture insects is due to