2.2 Waste mitigation strategies Questionbank

Practice 2.2 Waste mitigation strategies with authentic IB Design Technology (DT) exam questions for both SL and HL students. This question bank mirrors Paper 1, 2, 3 structure, covering key topics like materials and processes, product design, and sustainability. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.

Paper

Level

Question 1

SLPaper 1

Which of the following is true of dematerialization:

I. It reduces raw materials at the production stage

II. It reduces waste at the disposal stage

III. It reduces energy and material inputs at the use stage

Question 2

HLPaper 1

Used smartphones are sometimes made to look new by replacing the casing and screen as well as installing a new battery.

Which waste mitigation strategy does this best describe?

Question 3

SLPaper 1

Which of the following has the hierarchy of waste in the right order (from most to least desirable)?

Question 4

SLPaper 1

If the waste from an outdated product is continuously reused as a resource in a closed-loop system, which waste mitigation strategy does this represent?

Question 5

SLPaper 1

Which of the following actions exemplifies the enhancement of carbon sinks as a strategy for mitigating climate change?

Question 6

SLPaper 1

Which of the following waste mitigation strategies involves the use of small amounts of energy?

I. Re-use

II. Recycle

III. Repair

Question 7

SLPaper 2

In recent years there has been a move towards electric vehicles. An example of this is the electric car shown in Figure 1.

Figure 1: An electric car

Outline why electric cars are regarded as a green design.

[2]

Discuss whether the development of the electric car is an example of technology push or technology transfer.

[3]

Life cycle analysis (LCA) is a tool that assesses the impact of a product onthe environment.

Explain how the environmental impact can be minimized during production,distribution and disposal of the electric car.

[9]

Question 8

SLPaper 1

Which of the following best describes a circular economy?

Question 9

SLPaper 1

More and more restaurants are changing to card and paper packaging from Styrofoam plastic. This change reduces the weight and amount of materials used.

What waste mitigation strategy is this an exemplary of?

Question 10

SLPaper 1

What are the disadvantages of carrying out a life cycle analysis (LCA)?

I. Time consuming

II. Expensive

III. Legally binding