some important man made materials - Category wise Question and Answer Practice Test with Solutions

Question : 1

Which one among the following is the main ingredient in cement?

a) Clay

b) Limestone

c) Gypsum

d) Ash

Question : 2

One of the properties of glass is its transparency. This property of glass is due to

a) irregular arrangement of silicate units in glass.

b) regular arrangement of silicate units in glass.

c) its high viscosity.

d) its high coefficient of thermal expansion.

Question : 3

Deficiency of vitamin A results in

a) sterility

b) skin diseases

c) lose in apetite

d) retarted growth

Question : 4

Deficiency of vitamin E causes

a) Hemolytic anemia

b) Scurvy

c) Beriberi

d) None of these

Question : 5

Which one of the following is not present in cement?

a) Alum

b) Alumina

c) Clay

d) Gypsum