Which of the Following Structures Focuses Incoming Light Rays onto the Retina

question 175

Multiple Choice

Which of the following structures focuses incoming light rays onto the retina?

• A)iris
• B)lens
• C)pupil
• D)ciliary body

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Definitions:

Parsimonious

Refers to extreme unwillingness to spend money or use resources.

Enduring Truth

A concept or fact that remains valid and reliable over time.

Phenomena

Observable events or occurrences that can be studied scientifically to understand natural or social processes.

Phenylketonuria (PKU)

A genetic disorder caused by a defect in the gene responsible for processing the amino acid phenylalanine, leading to its accumulation and resulting in cognitive disability if untreated.