Pujals began studying biology at the University of Barcelona in 1935, but soon after, her father moved the family back to Buenos Aires fearing the start of the Civil War.

In 1936 she continued her studies at the University of Buenos Aires and obtained a degree in Natural Sciences.

[1] Pujals was part of a group of four women scientists from Argentina to travel to Antarctica in November 1968.

[2] During her stay she studied the flora along the Palmer Archipelago and collected Antarctic marine algae that are preserved at the Bernardino Rivadavia Natural Sciences Museum.

In 1971 Pujals also spent a month collecting seaweed specimens on the Falkland Islands at the request of the British Embassy.