Are you a Class 12 student preparing for the CBSE Artificial Intelligence (AI – Code 843) exam? You’re in the right place! We’ve uploaded the complete solution of the CBSE Class 12 AI Previous Year Question Paper 2024–25 session, based on the official paper conducted by the CBSE board.
Our expert team has solved each question in a clear, student-friendly manner, following the updated CBSE guidelines. Whether you’re revising or solving past papers for practice, this will boost your preparation and confidence.
Series YWXZA
Question Paper Code 367 Set 4
ARTIFICIAL INTELLIGENCE
(Session 2024-25)
Time allowed : 2 hours
Maximum Marks : 50
General Instructions :
- Please read the instructions carefully.
- This Question Paper consists of 21 questions in two sections: Section A & Section B.
- Section A has Objective type questions whereas Section B contains Subjective type questions.
- Out of the given (5 + 16 =) 21 questions, a candidate has to answer (5 + 10 =) 15 questions in the allotted (maximum) time of 2 hours.
- All questions of a particular section must be attempted in the correct order.
- SECTION A – OBJECTIVE TYPE QUESTIONS (24 MARKS):
- i. This section has 05 questions.
- ii. Marks allotted are mentioned against each question/part.
- iii. There is no negative marking.
- iv. Do as per the instructions given.
- SECTION B – SUBJECTIVE TYPE QUESTIONS (26 MARKS):
- i. This section has 16 questions.
- ii. A candidate has to do 10 questions.
- iii. Do as per the instructions given.
- iv. Marks allotted are mentioned against each question/part.
Section – A (Objective Type Questions)
1. Answer any 4 out of the given 6 questions on Employability Skills. 4×1=4
(i) Communication involves a sender, who encodes and send a message through a channel, and a receiver, who decors the message and gives _____.
a) Message
b) Feedback
c) Signal
d) Output
(ii) _____ is a kind of motivation that includes activities for which there is no apparent reward but one derives enjoyment and satisfaction in doing them.
a) Intrinsic
b) Extrinsic
c) Positive
d) Self
(iii) Rakhi is not able to trust anyone, not even friends or family members. She holds gurdges against others. What is the kind of personality disorder that she suffers from?
a) Schizoid
b) Paranoid
c) Dependent
d) Obessive
(iv) Varsha has created a spreadsheet on a laptop that she is shared by her group members. She does not want anyone to open or edit her file. How can she protect her file?
Ans: File tab > Save As > Tools> General Options > Type and Confirm Password > Save
(v) Which of the following is not an environmental barrier for an entrepreneur?
a) Availability of skilled labour
b) Lack of adequate raw material
c) Lack of requisite machinery
d) Unavailability of money on time
(vi) Which of the following is not a Greenhouse gas?
a) Carbon dioxide
b) Methane
c) Oxygen
d) Nitrous oxide
2. Answer any 5 out of the given 6 questions. 5×1=5
(i) Statement-I: A capstone project is the final project of an academic program.
Statement-II: For a capstone project, the students research on a topic independently.
a) Both statement I and statement II are correct
b) Both statement I and statement II are incorrect
c) Statement I is correct but statement II is incorrect
d) Statement II is correct but statement I is incorrect
(ii) What are three key elements of data storytelling?
a) Data, visuals and narrative
b) Data, charts and statistics
c) Data, algorithms and visualisation
d) Data, graphs and reports
(iii) Which of the following is true about RMSE?
a) It helps to find the square root of a number
b) It stands for Rough Mean Square Error
c) It helps to determine the accuracy of an AI model
d) It is the square root of the sum of test values and predicted values
(iv) Which of the following is not one of the three main stages of an AI project’s life cycle?
a) Project scoping
b) Data visualisation
c) Design or build phase
d) Deployment in production
(v) At high level, any AI project follows 6 steps. What is the first step in the AI project process?
a) Data gathering
b) AI model construction
c) Problem definition
d) Deployment
(vi) Which of the following is true about Design or Build stage of an AI project life-cycle?
a) It is the first stage
b) It is an iterative process
c) It takes 15 days to complete
d) It includes only data acquisition and exploration
3. Answer any 5 out of the given 6 questions. 5 x 1=5
(i) Which of the following is not one of the six steps in an AI project?
a) Data gathering
b) Data cleaning
c) Evaluation and refinements
d) Deployment
(ii) Why is narrative important in data storytelling?
a) It increases the volume of data
b) Its supplies context, inside and interpretation to make data meaningful
c) It eliminates the need for data visualisation
d) It automaates the data analysis process
(iii) What does the phrase “garbage in, garbage out” mean in the context of an AI project?
a) If the data collected his bad, the AI model will not be effective
b) If you select the wrong AI model, the project will fail
c) AI algorithms and correct bad data inputs automatically
d) Garbage data should be avoided in the deployment phase
(iv) What is one of the long-term benefits of data storytelling?
a) It generates more data
b) It makes information more memorable and easier to retain
c) It eliminate the need for analysis
d) It simplifies the data collection process
(v) Design thinking is extremely useful in tackling complex problems that all ill-defined or unknown. What is the primary focus of design thinking?
a) Aesthetics of design
b) Solution based approach to problem solving
c) Technical coding skills
d) Project management
(vi) Which of the following is NOT a key activity during the scoping phase of an AI model life-cycle?
a) Defining the business objectives
b) Aligning stakeholders’ expectations
c) Cleaning and preparing the data
d) Evaluating Return On Investment (ROI)
4. Answer any 5 out of the given 6 questions. 5×1=5
(i) The _____ stage of an AI project cycle involves the planning and motivational aspects of your project.
a) Design
b) Deployment
c) Testing
d) Requirement analysis
(ii) _____ is a structured approach for communicating insights drawn from data, combined with visuals and narratives.
a) Graphs
b) Data storytelling
c) Data requirements
d) Data acquisition
(iii) A good model should have an RMSE value less than _____.
a) 160
b) 170
c) 180
d) 190
(iv) The narrative is companied with ______ , to explain why a particular insight has been generated.
a) Scores
b) Probability
c) Data
d) Project
(v) Which of the following is not an AI development platform?
a) Google Cloud AI platform
b) IBM Watson developer platform
c) Infosys Nia Resources
d) Alexa AI
(vi) Assertion (A): MSE is a regression loss function
Reason (R): It is not good to use MSE, if your target data is normally distributed around a mean value
Select the appropriate option for the statement given above
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
5. Answer any 5 out of the given 6 questions. 5×1=5
(i) Match the following:
Options:
a) a-i, b-ii, c-iii
b) a-ii, b-i, c-iii
c) a-iii, b-i, c-ii
d) a-iii, b-ii, c-i
(ii) State true or false
If there is more pattern in the data, then AI development techniques may be employed.
Ans: False
(iii) Which of the following is not one of the open frameworks used in AI model building?
a) Tensor flow
b) Apple Siri
c) Scikit-learn
d) XG Boost
(iv) Design thinking is a 5-stage process. Which of the following is the first stage and last stage respectively?
a) Empathize, Test
b) Empathize, Prototype
c) Define, Prototype
d) Define, Test
(v) State true or false
Human Biases in selecting test data can adversely impact the testing phase.
Ans: True
(vi) Which of the following analytical approach should be used to show relationship?
a) Predictive
b) Classification
c) Descriptive
d) Statistical analysis
Section – B (Subjective Type Questions)
Answer any 3 out of the given 5 questions on Employability Skills. 3×2=6
Answer each question in 20-30 words :
6. There are five stages of listening. The first stage is ‘Receiving’. Write the names of other four stages.
Answer any 4 out of the given 6 questions in 20-30 words each. 4×2=8
Answer any 3 out of the given 5 questions in 50-80 words each. 3×4=12