OCR A Level Biology B (Advancing Biology)
OCR A Level Biology B (Advancing Biology) Monitoring Visual Function Exam Questions
Free OCR A Level Biology B (Advancing Biology) exam questions on Monitoring Visual Function, with mark schemes. Covers eye structure, the retina, rods and cones, visual defects and eye tests.
Monitoring Visual Function exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
A Level Biology Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
View flashcards
About OCR A Level Biology B (Advancing Biology) Monitoring Visual Function
This topic covers vision and its assessment.
What you need to know
- Eye structure Cornea, lens, iris and retina.
- Photoreceptors Rods for low light and cones for colour.
- Defects Myopia, hypermetropia and colour blindness.
- Eye tests Visual acuity and field tests.
Common mistakes in Monitoring Visual Function
- Saying rods detect colour.
- Mixing myopia and hypermetropia.
- Forgetting the blind spot has no receptors.
Try three Monitoring Visual Function exam-style questions
1. Explain why rods are more sensitive than cones. (2 marks)
Show the mark scheme answer
Several rods connect to one bipolar neurone (1), allowing summation (1).
2. State the cause of myopia. (1 mark)
Show the mark scheme answer
The eyeball is too long or the lens too strong.
3. Explain why we cannot see at the blind spot. (1 mark)
Show the mark scheme answer
There are no photoreceptors where the optic nerve leaves.
Monitoring Visual Function FAQs
What does this topic cover?
The eye, photoreceptors and visual defects.
How is myopia corrected?
With a diverging lens.
What is visual acuity?
Ability to see fine detail.
Revise this topic with flashcards: A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
