What Is the Function of the Lens

question 120

Multiple Choice

What is the function of the lens?

• A) The lens focuses light on the retina.
• B) The lens reduces the scattering of light.
• C) The lens nourishes the retina.
• D) The lens controls the amount of light passing through the pupil.

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Definitions:

Confounding Variables

Factors other than the independent variable that may cause or influence the outcome of a study, potentially leading to inaccurate conclusions.

Random Sample

A subset of a population chosen in such a way that every member has an equal chance of being included, ensuring the sample’s representativeness.

Chronic Diseases

Chronic diseases are long-term medical conditions that are generally progressive and require ongoing management, such as diabetes, heart disease, and arthritis.

Infectious Diseases

Diseases caused by pathogens such as bacteria, viruses, fungi, or parasites, that can be transmitted from one individual to another.