Chapter Exam

Chapter 3 Brief Overview of Python — Online MCQ Test

Q: Which of the following is a valid Python variable name?

Answer: B. score_2 — A Python variable name can contain letters, digits, and underscores, but it cannot start with a digit or contain spaces/hyphens.

Q: Which of the following is a keyword in Python?

Answer: C. if — "if" is a reserved keyword used for conditional execution. The other options are identifiers or built-in function names, not keywords.

Q: Which of the following is the correct way to assign 15 to variable x?

Answer: C. x = 15 — The assignment operator = is used to store a value in a variable.

Q: Which of the following is the correct order of operators precedence in: 4 + 6 * 2 ** 3 ?

Answer: B. Exponentiation, multiplication, addition — Python evaluates exponentiation first, then multiplication, and finally addition.

Q: Which of the following expressions will cause an error in Python?

Answer: C. "10" + 20 — Python cannot directly add a string and an integer. Both operands must be of compatible types.

INFORMATICS PRACTICES · Grade 11 · CBSE(NCERT)

Practice Chapter 3 Brief Overview of Python with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 11 INFORMATICS PRACTICES. This chapter covers: Introduces Python programming fundamentals. Covers Python syntax keywords variables data types operators expressions input and output functions conditional statements loops and bas.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 3 Brief Overview of Python — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 11 INFORMATICS PRACTICES — Chapter 3 Brief Overview of Python, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is a valid Python variable name?

A. 2score
B. score_2 ✓
C. score-2
D. score 2

Answer: B. score_2
A Python variable name can contain letters, digits, and underscores, but it cannot start with a digit or contain spaces/hyphens.

Which of the following is a keyword in Python?

A. print
B. value
C. if ✓
D. total

Answer: C. if
"if" is a reserved keyword used for conditional execution. The other options are identifiers or built-in function names, not keywords.

Which of the following is the correct way to assign 15 to variable x?

A. 15 = x
B. x == 15
C. x = 15 ✓
D. x := 15

Answer: C. x = 15
The assignment operator = is used to store a value in a variable.

Which of the following is the correct order of operators precedence in: 4 + 6 * 2 ** 3 ?

A. Addition, multiplication, exponentiation
B. Exponentiation, multiplication, addition ✓
C. Multiplication, exponentiation, addition
D. Addition, exponentiation, multiplication

Answer: B. Exponentiation, multiplication, addition
Python evaluates exponentiation first, then multiplication, and finally addition.

Which of the following expressions will cause an error in Python?

A. "10" + "20"
B. 10 + 20
C. "10" + 20 ✓
D. 10 * 2

Answer: C. "10" + 20
Python cannot directly add a string and an integer. Both operands must be of compatible types.

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