Class 9 Computer & AI Chapter 6: Building Your First Real AI — practice questions with answers
Free practice for Class 9 Computer & AI, Chapter 6: Building Your First Real AI. Try the solved questions below, then take a free test with instant marking and explanations.
43 questions16 easy, 21 medium, 6 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. What are the six steps of the AI builder workflow, in order?
- Problem, Data, Model, Train, Evaluate, Ship
- Ship, Train, Data, Model, Problem, Evaluate
- Model, Problem, Ship, Data, Train, Evaluate
- Data, Ship, Problem, Evaluate, Model, Train
Show answer
Answer: A. Problem, Data, Model, Train, Evaluate, Ship
Why: Used at Sarvam, ISRO and Niramai. [AI for New Learner — Senior 1, Ch 6]
Why: Used at Sarvam, ISRO and Niramai. [AI for New Learner — Senior 1, Ch 6]
Q2. Which model should a beginner try first?
- The simplest model that could work, such as a decision tree
- The biggest neural network available
- A random guesser
- No model
Show answer
Answer: A. The simplest model that could work, such as a decision tree
Why: Start simple; add complexity only if needed. [AI for New Learner — Senior 1, Ch 6]
Why: Start simple; add complexity only if needed. [AI for New Learner — Senior 1, Ch 6]
Q3. What is the standard train–test split?
- 80% for training, 20% for testing
- 50% / 50%
- 100% training, 0% testing
- 20% training, 80% testing
Show answer
Answer: A. 80% for training, 20% for testing
Why: Never touch the 20% during training. [AI for New Learner — Senior 1, Ch 6]
Why: Never touch the 20% during training. [AI for New Learner — Senior 1, Ch 6]
Q4. Aanvi’s team collected 200 leaf photos. How many go into training with an 80/20 split?
Show answer
Answer: 160 (± 0)
Why: 80% of 200 = 160. [AI for New Learner — Senior 1, Ch 6]
Why: 80% of 200 = 160. [AI for New Learner — Senior 1, Ch 6]
Q5. What does ‘shipping’ an AI project involve?
- Saving the model, writing a short README, pushing it to GitHub and asking someone to try it
- Mailing the laptop
- Deleting the code
- Keeping it secret
Show answer
Answer: A. Saving the model, writing a short README, pushing it to GitHub and asking someone to try it
Why: Step 6. [AI for New Learner — Senior 1, Ch 6]
Why: Step 6. [AI for New Learner — Senior 1, Ch 6]
Q6. Aanvi’s model went from 51% to 91% accuracy. By how many percentage points did it improve?
Show answer
Answer: 40 (± 0)
Why: 91 − 51 = 40 points. [AI for New Learner — Senior 1, Ch 6]
Why: 91 − 51 = 40 points. [AI for New Learner — Senior 1, Ch 6]
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How many practice questions are there for Class 9 Computer & AI Chapter 6: Building Your First Real AI?
43 questions (16 easy, 21 medium, 6 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 9 Computer & AI syllabus, used by CBSE and many state boards.