TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Plant nutrition is the study of the chemical elements necessary for plant growth.

SOLUTION: What is the study of the chemical elements necessary for plant growth called?

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

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

PROBLEM: In metaphase ii stage, chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis.

SOLUTION:
In which stage do chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis?