Artificial Intelligence and Its Applications

Sample questions

Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.

Section A · multiple choice

1. 1.

   AI helps protect the environment by:

   1. predicting pollution only
   2. detecting plastic only
   3. tracking wildlife only
   4. all of these

   Answer

   (d) all of these

2. 2.

   Detecting changes in forest cover: in which field is AI being used here?

   1. education
   2. automation
   3. environment
   4. healthcare

   Answer

   (c) environment

3. 3.

   How can AI help with too few experts to read medical scans?

   1. signals that change their timing with the traffic
   2. machines that recognise and separate each kind of waste
   3. tools that screen scans and flag likely problems
   4. forecasts that predict pollution so people can plan

   Answer

   (c) tools that screen scans and flag likely problems

Section B · short answer

1. 4.

   How can AI help reduce plastic pollution?

   Answer

   By analysing satellite images to find plastic dumps so they can be cleared quickly.

2. 5.

   A waste classifier is tested on new photos: plastic: 17 of 20 correct; paper: 20 of 20 correct; organic: 15 of 25 correct. What is its overall accuracy?

   Answer

   80%

   52 ÷ 65 × 100

Section C · long answer

1. 6.

   Design a simple AI project with a no-code tool to help sort waste in your school. What steps would you follow?

   Answer

   Collect photos of each kind of waste; upload and label them as classes; train the model; test on new items and note mistakes; add more varied photos and retrain.

Fresh sheets for your child

In the app, every Artificial Intelligence and Its Applications sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.

Coming soon for Android and iPhone.

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