Q. Which is a source of good timber?

 208  169 NTA AbhyasNTA Abhyas 2020 Report Error

Solution:

Heartwood is a good source of timber. Heartwood is the wood at the centre of the tree. Also famous as lumbar in US and Canada,timber is obtained from trees and is used for structural purposes.Some of the most common timbers are bamboo, cedar ,cherry, birch,etc.