instruction:
Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.
question:
Silk and cotton are examples of what type of fibers?
answer:
mechanical

question:
Chloroplasts are the little green particles in plants made up of what colorful pigment?
answer:
verdigris

question:
Catabolism and anabolism are the two types of what?
answer:
heart rate