Exam 18: Materials: Cloth, Wood, and Paper

Gossypium spp.are the source of

Which of the following terms is not matched correctly?

The older,nonfunctional xylem of the trunk is known as ________,and is often dark in color.

______ is the source of the seed fiber coir.

All of the following statements about resin is true except one.Choose the exception.

Flax fibers are extracted using the ________ process.

Denim jeans were originally made from

The tree with the densest wood is

Which plant oil is the base for linoleum and oilcloths?

This softwood tree species was used to make masts for sailing ships but was mostly wiped out by overharvesting and a fungal disease.This softwood tree species is

Today the resonators in marimbas and xylophones are usually metal;however in the original instruments the resonators were made from _______.

The first plant used in the Chinese invention of paper was:

Hackling is a process in linen production which involves pounding to free fibers.

Which of the following statements is not true about Eli Whitney's invention?

Gymnosperm resins are the source of the _______ used by musicians and baseball players.

Due to human activities,_______ percent of the world's forests have been lost.

The use of chlorine to bleach cotton fibers replaced the standard method that included using buttermilk.

Viscose is associated with the production of _______.

______ is the process of scraping away by hand or machine unwanted tissues from hard fibers.

The ancient Egyptians utilized the _____ of papyrus in the making of paper.