Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'positive regulation of ecdysteroid biosynthetic process'?

A. Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of ecdysteroids.
B. Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of aldosterone.
C. Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of ecdysteroids.
D. Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of glucocorticoids.

Answer: Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of ecdysteroids.