Sample Question Papers for Class 12 Informatics Practices
Explore authentic exam practice materials through the CBSE Class 12 Informatics Practices 2025 Sample Paper Set 08 Solved. Tailored for Class 12 learners, utilizing these Informatics Practices sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
Practice Class 12 Informatics Practices Exam Papers
View or download the dedicated CBSE Class 12 Informatics Practices 2025 Sample Paper Set 08 Solved resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.
Section-A
1 State whether the following statement is True or False:
A pandas Series cannot have string values as indices.
Answer : False
2 The purpose of the GROUP BY clause in a SQL is to:
(A) Filter rows based on a condition.
(B) Combine rows with identical values into summary rows.
(C) Sort the result set.
(D) Specify which columns to display.
Answer : b
3 A……………… is an electronic device that converts digital data signals into modulated analog signals suitable for transmission over analog telecommunications circuits.
(A) Hub
(B)Modem
(C) Getway
(D) Repeater
Answer : c
4 Identify the SQL command used to delete a relation (table) from a relational database.
(A) DROP TABLE
(B) REMOVE TABLE
(C)DELETE TABLE
(D) ERASE TABLE
Answer : a
5 In India, e-waste management assumes greater significance because
(A) Generation of own e-waste
(B) Dumping of e-waste from developed countries
(C) Lack of awareness
(D) All of these
Answer : d
6 Which of the following Python statements can be used to select a column column_name from a DataFrame df ?
(A) df.getcolumn('column_name')
(B) df['column_name']
(C) df.select('column_name')
(D) df(column_name)
Answer : b
7 Which of the following statement is used to create a histogram of ‘step’ type with 20 bins?
a) plt.hist(x, bins=02, histtype=’barstacked’)
b) plt.hist(x, bins=02, histtype=’step’)
c) plt.hist(x, bins=20, histtype=’step’)
d) plt.hist(x, bins=20, histtype=’hist’ )
Answer : c
8 State whether the following statement is True or False:
In SQL, the HAVING clause is used to apply filter on groups formed by the GROUP BY clause.
Answer : True
9 CSV files have the default delimiter as
(a) Comma(,)
(b) Colon (:)
(b) Dot(.)
(d) Semicolon(;)
Answer : a
10 Which of the following are net etiquettes that should be followed by netizens?
(a) Be respectful to others
(b) Align your activities to obey IT Act 2000
(c) Don't ask Age, gender or private information.
(d) All of the above
Answer : d
Please refer to attached file for CBSE Class 12 Informatics Practices 2025 Sample Paper Solved Set 8
Free study material for Informatics Practices
Model Practice Papers & Solutions for Class 12 Informatics Practices
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Access structured sample papers for Class 12 Informatics Practices. Solving the CBSE Class 12 Informatics Practices 2025 Sample Paper Set 08 Solved provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.
Maximize Your Scores with Model Papers
- Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
- Targeted Improvement: Identify weak areas in Class 12 Informatics Practices requiring focused revision.
- Pacing & Precision: Practice mixed question formats to build execution speed and ensure timely paper completion.
How to Analyze Your Performance in CBSE Class 12 Informatics Practices 2025 Sample Paper Set 08 Solved
- Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
- Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
- Concept Reinforcement: Consult the official NCERT book for Class 12 Informatics Practices when stuck before re-attempting problems.
FAQs
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