GRADE 9 PRETECHNICAL STUDIES KJSEA REVISION ANSWERS
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Word Editable SampleSTRAND 1.0: FOUNDATIONS OF PRE-TECHNICAL STUDIES
SUB-STRAND 1.1: SAFETY ON RAISED PLATFORMS
SECTION A: MULTIPLE CHOICE QUESTIONS
Question Number
Question
Answer
Explanations
1
Juma, a carpenter, needs to reach a high shelf to retrieve some timber. He's considering an old, wobbly chair. What's the most appropriate and safest raised platform for Juma to use in this situation?
B. A sturdy step ladder
A sturdy step ladder is specifically designed for safe, temporary elevation. The other options (old tires, overturned bucket, rickety box) are unstable and not intended for this purpose, significantly increasing the risk of a fall.
2
During a construction project, a worker is painting a ceiling. The provided scaffolding has loose planks and no guardrails. What's the most immediate risk associated with working on this raised platform?
D. Falling from a height
A raised platform with loose planks and no guardrails presents a direct and immediate risk of a fall. While other risks may exist, falling is the primary and most dangerous consequence of such platform instability and lack of safety features.
3
| Question Number | Question | Answer | Explanations |
|---|---|---|---|
| 1 | Juma, a carpenter, needs to reach a high shelf to retrieve some timber. He's considerin... | B. A sturdy step ladder | A sturdy step ladder is specifically designed for safe, temporary elevation. The other ... |
| 2 | During a construction project, a worker is painting a ceiling. The provided scaffolding... | D. Falling from a height | A raised platform with loose planks and no guardrails presents a direct and immediate r... |
| 3 | Sarah is helping her father clean their gutters using an extension ladder. Before climb... | B. Risk assessment and mitigation | By checking the ladder's stability (firm, level surface) and instructing Sarah on how t... |
| 4 | A student is observing a technician repairing a street light with a cherry picker. The ... | C. To prevent serious injury in case of a fall | A safety harness is a form of fall protection. Its main purpose is to catch a worker an... |
This document is professionally prepared and verified for Grade 9 (Junior Secondary) • Whole Year.
- Competency-driven teacher inquiry models
- Guiding questions for active learner engagement
- Real-life problem-solving applications
- Formative & summative assessment indicators
- Performance levels (Exceeding, Meeting, Approaching)
- Practical assessment task breakdowns