Give an example of a non-testable question:

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

What is the relationship between absorbance of light and the rate of photosynthesis?

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems