The meter installed in our homes measures electricity in _____.

1. 1. KhW
   2. hKW
   3. WKh
   4. KWh

Which of the following is metal?

1. 1. Gypsum
   2. Granite
   3. Iron
   4. Limestone

Bio gas is the common name of _____.

1. 1. Natural gas
   2. Carbon dioxide
   3. Oxygen
   4. Nitrogen

The large plates of solar panels are painted _____.

1. 1. Red
   2. Black
   3. Green
   4. Yellow

BTU stands for _____.

1. 1. British Technical Units
   2. British Thermal Units
   3. British Textile Units
   4. British Temperature Units

As the temperature of ice rises, the ice melts and its density _____.

1. 1. decreases
   2. increases
   3. remains constant
   4. increases up to 10 degree centigrade

Which type of blood of individuals are known as universal recipients?

1. 1. Type AB
   2. Type O
   3. Type A
   4. Type B

Which type of blood of individuals are known as universal donor?

1. 1. Type A
   2. Type AB
   3. Type O
   4. Type B

Deficiency of chloride causes the impaired growth in _____.

1. 1. Animals
   2. Infants
   3. Plants
   4. Young man

The human blood is divided into _____ groups.

1. 1. Two
   2. Three
   3. Five
   4. Four