The forces responsible for the formation of fold mountains:

1. Orogenic movements
2. Collisional movements
3. Diastrophic movements
4. Exogenic movements

The two forces, Orogenic and Epeirogenic that originate deep inside the earth:

1. Exogenic forces
2. Continent building movements
3. Diastrophic forces
4. Collisional movements

The forces operating on the surface of the earth which cause formation of landforms are called:

1. Exogenic forces
2. Orogenic forces
3. Diastrophic forces
4. Epeirogenic forces

Upfold : Anticline :: Downfold : …………….

1. Synclines
2. Archlines
3. Anticlines
4. Ridges