Question

Choose the incorrect match
O Sapwood - Conduct water
0 Duramen - Peripheral secondary xylem
O Heart wood – Have tyloses
0 Alburnum - Lighter in colour​

Answer 1

alburnum ----lighter in colour

Answer 2

The answer is option 2) Duramen- Peripheral secondary xylem. They are inner secondary xylem.

Explanation:

Option 1: This is true. Sapwood is the peripheral secondary xylem. The conduction of water along with minerals dissolved in it, from roots to leaf is performed by peripherally located younger areas of secondary xylem.

Option 2: This is false. Duramen/heartwood are modified and non-functional inner secondary xylem.

Option 3: This true. Heartwood has the deposition of organic compounds like tannins, resins, oils, gums, aromatic substances and essential oil in the vessels and tracheids of older secondary xylem.

Option 4: This is true: Alburnum/ sapwood are the peripheral region of the secondary xylem and is lighter in colour.