Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Unicellular eukaryotes are protists normally.

A: What type of eukaryotes are protists normally?
****
Q: Stringed instruments can help show the relationship between tension and frequencies in strings.

A: Stringed instruments can help show the relationship between tension and what in strings?
****
Q: Primary meristem does growth in length occur, above the root cap.

A:
Where does growth in length occur, above the root cap?
****