Home
Class 11
BIOLOGY
In old dicot stems, a major part of the...

In old dicot stems, a major part of the wood is filled up with tannins, resins, gums etc. This part of wood is called

A

Hard wood

B

Heart wod

C

Sap wood

D

Soft wood.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Where is the major part of fresh water bound up?

Fill in the blanks with the terms that are listed below: anther, male, ovary, ovule, petals, pistil, stamen, and filament. Sepals, ___(a)___, stamens and ___(b)___ are the parts of a flower. Stamen is made up of ___(c)___ and ___(d)___ and it represents the ___(e)___ part of the flower. The female part of the flower is called the ___(f)___. The basal, swollen part of the pistil is called the ___(g)___ which contains the ___(h)___.

Physiologically functional part of wood is

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 ...

One end of a board of length l is hinged on top of a stone protruding from water . Length a of the board is above the point of support (Fig) . What part of the board is below the surface of the water in equilibrium state , if the density of wood is gamma ?

Assertion: Heart wood is not involved in conduction function. Reason: Tyloses and depositions of tannins, resins, and gums is common in duramen cells.

oldest part of phloem in a dicot stem jis situated just