General science Practice Questions & Answers

The major ingredient of leather is:

The major ingredient of leather is:

A).  Collagen

B).  Carbohydrate

C).  Polymer

D).  Nucleic acid

Optic fibers are mainly used for which of the following?

Optic fibers are mainly used for which of the following?

A).  Musical instruments

B).  Food industry

C).  Weaving

D).  Communication

Rayon is chemically.

Rayon is chemically.

A).  Cellulose

B).  Pectin

C).  Glucose

D).  Amylase

Wood is the main raw material for the manufacture of

Wood is the main raw material for the manufacture of

A).  Paint

B).  Paper

C).  Ink

D).  Gun powder

Which of the following is a protein?

Which of the following is a protein?

A).  Natural rubber

B).  Starch

C).  Cellulose

D).  None of these

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