Biology Topic Practice

Structure & Function of the Eye

The eye is a sense organ containing receptors sensitive to light intensity and colour.

What is the function of the optic nerve?

What is Structure & Function of the Eye?

"The eye is a complex organ that collects light from the surroundings and converts it into nerve impulses in the retina."

Question 1

Which answer best completes the statement? ____ involves giving a mother FSH and LH to stimulate eggs

Question 2

Choose the correct option to complete the statement. ____ is when blood vessels narrow to keep heat in

Question 3

Which answer best completes the statement? FSH causes an egg to ____ in the ovary

Question 4

Which answer best completes the statement? ____ is a waste product formed from the breakdown of proteins

Visual Components

Retina: Contains light receptor cells.

Optic nerve: Carries impulses from the retina to the brain.

Ciliary muscles and suspensory ligaments: Control the shape of the lens to focus.

Iris: Controls the size of the pupil and how much light enters.

Exam Tip

Accommodation is the process of changing the lens shape to focus on near or distant objects.

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