Processing: Plastics, Recycling & Indigenous Technology is one of 9 topics in the Grade 9 Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What shape is the standardised symbol used to mark a plastic product's recycling code?
A triangle made of three arrows, with a number inside
A plain circle with no number
A square with the plastic's brand name
A star shape with a letter inside
Answer: A triangle made of three arrows, with a number inside — Plastic products are marked with a standardised recycling code: a small triangle made of three arrows, with a number from 1 to 7 printed inside, identifying the type of plastic resin.
Easy
2. In the "reduce, reuse, recycle" hierarchy, which action is generally considered the MOST effective, first choice?
Reduce (using less plastic in the first place)
Recycle (always the first and best choice)
Reuse is always more effective than reducing
They are all exactly equally effective, with no order of preference
Answer: Reduce (using less plastic in the first place) — Reducing how much plastic is used in the first place is the most effective action in the hierarchy, followed by reusing, with recycling as the last resort.
Medium
3. Give the recycling code NUMBER commonly used for PET plastic, found in clear drink bottles.
Answer: 1 — PET (used for clear drink bottles) is commonly marked with recycling code number 1.
