Unit 1 and unit 2

What are the two classifications of dye?

• natural and man-made

• natural and synthetic

• plant and animal

• cellulose and protein

In dyeing methods which is the first step?

• Preparation of dye bath

• Preparation of fibre

• Finishing

• Application of fibre

Mineral dye is extracted from the fluid secreted by the insect called Lauifer lacca, which lives on the twigs of the banyan trees and other varieties.

• TRUE

• FALSE

(a)   dyes are sometimes referred to as ‘coal tar dyes’,

Co (a)   ne_l dye is extracted from the dried bodies of the female red bug.

Natural dyes are color substances obtained from (a)   sources.

Andhra Pradesh is known for its ............work.

• Kalamkari

• Kantha

• Jaal

• tie and dye

A printing process that uses a squeegee to force ink through aporous fabric covered by a stencil that blocks the nonimage areas. The ink pressed through the open image areas produces the image on a substrate.

• screen printing
• sign printing
• emulsion printing

Silk fabric is dyed with (a)   dye.

Synthetic dyes are made from .................

• flowers

• leaves

• Chemicals

• Fruits