Question

The common characteristic for heartwood and
sapwood is that
(1) They have the deposition of organic compounds
like tannins, resins, gums, etc.
(2) They do not conduct water
(3) They are dark in colour
(4) These are the regions of secondary xylem​

Answer 1

The common characteristic for both heartwood and sap wood is that both these regions are the regions of secondary xylem.

Only heart wood has the deposition of organic compounds like tannins, resins, gums, etc.

Only heart wood doesn't conduct water.

Only heart wood is dark in colour.

Answer 2

The common characteristic of heartwood and sapwood is that option 4 i.e., These are the regions of secondary xylem

Explanation:

The living and the outermost part of the steam constitutes sapwood whereas the dead inner wood is the heartwood.

Function:

The sapwood conduct water and nutrients  through the root to the leaves  whereas the heartwood usually contains tannin that imparts specific color to the bark. The heartwood is not decayed easily over many years. The heartwood is mainly used to make wooden work.

Characteristics:

The sapwood is lighter in color than the heartwood which is much darker in color.