Semi-conductor is such a substance, whose ability to conduct current lies in between _____

1. 1. Insulators and superconductors
   2. Wood and plastic
   3. Conductors and insulators
   4. Conductors and superconductors

The energy stored in the fossil fuel is _____.

1. 1. Heat energy
   2. Elastic potential energy
   3. Chemical energy
   4. Electrical energy

When the cat peas for its prey then the chemical energy present in its muscles is converted to _____.

1. 1. Potential energy then to kinetic energy
   2. Heat energy then to Nuclear energy
   3. Potential energy then to light energy
   4. Electrical energy then to heat energy

Electrochemical energy is required for the working of _____.

1. 1. Digestive system
   2. Nervous system
   3. Circulatory system
   4. Excretory System

When a body is dropped from a certain heigh, the gravitational potential energy is converted into _____.

1. 1. Light energy
   2. Elastic potential energy
   3. Chemical energy
   4. Kinetic energy

In cell chemical energy is transformed into _____.

1. 1. Heat energy
   2. Kinetic energy
   3. Electrical energy
   4. Potential energy

A person climbing a hill bends forward in order to _____.

1. 1. Increase stability
   2. Reduce fatigue
   3. Avoid slipping
   4. Increase speed

The energy stored in a stretched spring is _____.

1. 1. Heat energy
   2. kinetic energy
   3. Elastic potential energy
   4. Potential energy

A moving ball stops due to the action of _____.

1. 1. Frictional Force
   2. Electric Force
   3. Nuclear Force
   4. Magnetic Force

Energy of a body due to its motion is called _____.

1. 1. Light energy
   2. Potential energy
   3. Kinetic energy
   4. Heat energy