1. 1. Where was potatoes first cultivated?
    1.   South America
    2.   Europe
    3.   Australia
    4.   North America
  2. 2. How did Incan field looked like?
    1.   circle
    2.   row
    3.   square
    4.   terrace
  3. 3. How did the Europeans use potato?
    1.   as a painkiller
    2.   as a dicoration
    3.   as a favourite dish
    4.   as a beauty product
  4. 4. What happened in Ireland in 1845-1852?
    1.   a flood
    2.   Irish Potato Femin
    3.   a drought
    4.   torrential rains