Class 12 Question Paper 2024-25 Artificial Intelligence (Half Yearly)

HALF YEARLY EXAM

QUESTION
PAPER
ORIGINAL EXAM PAPERS

HALF YEARLY EXAMINATION, 2024-25
ARTIFICIAL INTELLIGENCE
Time – 2:00 Hrs. Class – XII M.M. : 50
Date – 14.09.2024 (Saturday)
Name of the student _______________________________________________Section _____
GENERAL INSTRUCTIONS:
 Please read the instructions carefully.
 This Question Paper consists of 29 questions in four sections –A, B, C & D.
 Section A and B are Objective type questions
 Section C contains Short Answer type questions.
 Section D contains Long Answer type questions.
 All questions of a particular section must be attempted in the correct order
SECTION-A
Multiple Choice Questions. (1x14=14 Marks)
Q1 Narcissistic personality disorder is characterized by which of the following conditions
i. People have an inflated sense of their own importance.
ii. A deep need for excessive attention.
iii. Admiration and lack of empathy.
iv. Introvert
a) Only i b) Both i and ii c) i, ii and iii d) i, ii, iii and iv
Q2 Self-motivation is important because
i. It increases individual’s energy and activity.
ii. It directs an individual towards specific goals.
iii. It results in initiation and persistence of specific activities
iv. It affects cognitive processes and learning strategies used for completing similar tasks.
a) Only i b) Both i and ii c) i, ii and iv d) All of these
Q3 Which of the following is NOT a step of active listening?
a) Evaluate b) Receiving c) Post d) feedback
Q4 What are the characteristics of an ideal message?
a) Clear b) Concise c) Accurate d) All of these
Q5 Which of the following is not an example of spreadsheet?
a) Microsoft Excel b) LibreOfficeCalc c) OpenOffice Impress d) Google Sheets
Q6 In a spreadsheet software, an arrangement of cells in a vertical manner is known as:
a) Worksheets b) Workbooks c) Rows d) Columns

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Q7 Identify two AI development tools from the following:
1) DataRobot 2) Python 3) Scikit Learn 4) Watson Studio
a) 1 & 2 b) 2 & 3 c) 1 & 3 d) 1 & 4
Q8 You want to predict future house prices. The price is a continuous value, and therefore we
want to do regression. Which loss function should be used here?
a) RMSE b) MSE c) MAE d) Exponential error
Q9 The design phase of the AI Model Life Cycle is an ______ process.
a) Compact b) Iterative c) Periodic d) Permanent
Q10 Techniques like descriptive statistics and visualisations can be applied to datasets after the
original data gathering to analyse the content. To close the gap, additional data collecting may
be required. Identify the stage of this analytic approach.
a) Data Requirements b) Data Gathering c) Data Understanding d) Data Preparation
Q11 Data Validation for human biases is conducted in _________ phase of AI Model Life Cycle.
a) Testing b) Data Collection c) Design d) Scoping
Q12 Hyper parameters are parameters whose values govern the learning process.
a) True b) False
Q13 Which of the following is not a feature of RMSE?
a) It tells about the accuracy of the model.
b) Higher value means hyper parameters need to be tweaked
c) Lower RMSE values are not good for the AI model.
d) RMSE is a measure of how evenly distributed residual errors are.
Q14 A training set is a set of _________ data in which the outcomes are already known.
a) Current b) Instant c) Historical d) Output
SECTION - B
Multiple Choice Questions. (2x4=8 Marks)
Q15 Match the following
1) Which category? A. (Anomaly Detection)
2) How much or how many? B. (Regression)
3) Which group? C. (Recommendation)
4) Is this unusual? D. (Classification)
5) Which option should be taken? E. (Clustering)
a) 1=D, 2=B, 3=E, 4=A, 5=C b) 1=C, 2=D, 3=B, 4=E, 5=A
c) 1=D, 2=B, 3=C, 4=E, 5=A d) 1=E, 2=A, 3=D, 4=C, 5=B

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Q16 Assertion (A): It’s crucial to precisely define the strategic business objectives and desired
outcomes of the project, select align all the different stakeholders’ expectations, anticipate
the key resources and steps, and define the success metrics.
Reason (R) : Selecting the AI or machine learning use cases and being able to evaluate the
return on investment (ROI) is critical to the success of any data project.
a) Both (A) and (R) are true and (R) is the correct explanation of (A)
b) Both (A) and (R) are true and (R) is not the correct explanation of (A)
c) (A) is true, but (R) is false.
d) (A) is false, but (R) is true.
Q17 First four steps of wiring Python code to find out RMSE values of the model are given here.
Arrange them in proper order –
1. Splitting the data into training and test 2. Reading the data
3. Fitting simple linear regression to the training set. 4. Import required libraries.
a) 2 – 4 -1 -3 b) 4 – 3 – 2 – 1 c) 1 – 2 – 3 – 4 d) 4 – 2 – 1 – 3
Q18 Which of the following are the objectives of the testing team in AI modelling?
1) Model Validation 2) Security compliance
3) Understanding data 4) Minimizing bias
a) (1), (2) and (3) b) (2), (3) and (4) c) (1), (3) and (4) d) (1), (2) and (4)
SECTION - C
Short Answer Type Question (2x8=16 Marks)
Q19 Explain OCEAN acronym of FFM.
Q20 Differentiate between a row and a cell of a spreadsheet.
Q21 What is Design Thinking and write its stages with diagram?
Q22 Give two points of difference between Cross-Validation and Train-Test Split.
Q23 Name the main stages of AI Project Life Cycle.
Q24 What is Data Visualization? Mention two Data Visualization techniques.
Q25 What is Loss function and how many types of Loss function are?
Q26 What Decomposition provides? Write its components.
SECTION-D
Long Answer Type Question. (4x3=12 marks)
Q27 What are the AI development platforms which are used in design and build model (any four
category with two examples)?
Q28 Draw the diagram of Foundational methodology for data science
Q29 Discuss different type of analytic model

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Study Materials
Notes

Model Papers Class 6 Notes

Sample Papers Class 7 Notes
Half Yearly Sample Papers Class 8 Notes

Class 9 Notes
Important Resources
Class 10 Notes
Periodic Table
Class 11 Notes
Writing Skills / Formats

Maps of India / World Class 12 Notes

Books and Solutions

NCERT Books
NCERT Book Solutions
HC Verma Chapter Wise Solutions
RD Sharma Solutions
CGBSE Solutions