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Question 20N.3.SL.TZ0.5

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Date November 2020 Marks available [Maximum mark: 4] Reference code 20N.3.SL.TZ0.5
Level SL Paper 3 Time zone TZ0
Command term Draw, State Question number 5 Adapted from N/A
5.
[Maximum mark: 4]
20N.3.SL.TZ0.5

The diagram shows rays of light entering the eyes from point Q in the right visual field.

(a)

Draw a ray of light entering the left eye from point P. 

[1]

Markscheme

Any straight line from P passing through the lens to the retina of left eye.

 

Examiners report

This question on the eye was well answered though there was some confusion between ganglion and bipolar cells.

(b.i)

Information about the light from P entering the left eye is processed in the brain.

State what region of the brain would process the information.

[1]

Markscheme

visual cortex/occipital lobe;

(b.ii)

Information about the light from P entering the left eye is processed in the brain.

State the side of the brain that would process the information.

[1]

Markscheme

right;




(c)

State the type of cell in the retina which directly transmits impulses through the optic nerve to the brain.

[1]

Markscheme

ganglion (cell);