Page 70 - Biology_Form_3

Biology for Secondary Schools

Column A Column B
viii. Ciliary body M. Control directions of the eye ball
N. Convey optic impulses to the brain
ix. Sclerotic layer O. Protecting the eye from foreign particles such as dust
P. Centre for eye accommodation
FOR ONLINE READING ONLY
x. Retina
Q. Area for image formation
Answer the following questions neural events that allows your hand

7. Imagine you are a counselor at a to quickly withdraw from the heat.
rehabilitation center. A client asks 13. You are walking on a balance beam.
you to describe what drug addiction Explain how your body maintains
is. How would you explain the balance and discuss the role of
concept and implications of drug sensory feedback in this process.
addiction?
14. Imagine you have a friend who can’t
8. You have been assigned to design a see distant objects clearly. Explain
community program to prevent drug how this condition affects vision and
dependency. Identify four reasons propose corrective measures.
why people become dependent on
drugs and propose strategies to 15. Describe the impact of astigmatism
address these factors. and suggest treatments for someone
experiencing blurred vision.
9. A friend asks why alcohol is
considered a drug. Explain its 16. (a) Describe the mechanical process
classification and discuss its effects by which sound waves travel from
on the body and behaviour. the tympanic membrane to the oval
window of the ear.
10. Your biology teacher asked your
group to discuss and present the (b) Explain why this pathway is crucial
relevance of eye accommodation and for hearing
pupil reflex in the normal functioning 17. You are part of a school committee
of the mammalian eye. Prepare points addressing drug abuse among
for your presentation in support with students. Evaluate the socio-
relevant diagrams. economic and psychological factors
11. You are creating a health awareness contributing to drug abuse and
campaign about the dangers of propose evidence-based interventions
cigarette smoking. List the health to address these issues.
risks associated with smoking 18. Compare and contrast the functional
and design a persuasive poster to components of the mammalian eye
discourage smoking. with those of a camera.

12. Imagine you accidentally touch a
hot stove. Describe the sequence of

63 Student’s Book - Form Three

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BIOLOGY FORM 3 FINAL EDITED 16.09.2025.indd 63 KAMISHNA 23/10/2025 11:52:40 KAMISHNA