TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Insulin is made up of two polypeptide chains.

SOLUTION: Insulin is made up of how many polypeptide chains?

PROBLEM: The high points in a transverse wave are called crests.

SOLUTION: What are the high points in a transverse wave called?

PROBLEM: Pyramids of net production and biomass reflect low level of efficiency.

SOLUTION:
Pyramids of net production and biomass reflect what level of efficiency?