INT108 Unit 1: Setting up your Programming Environment; Variables, Expression and Statements - MCQ Practice | B. Tech. CSE

1 $Which of the following is a major difference between Python 2 and Python 3 regarding the print statement?$

A.

Python 3 uses parentheses for print, while Python 2 does not require them

B.

Python 3 does not have a print function

C.

There is no difference

D.

Python 2 uses parentheses for print, while Python 3 does not require them

2 $What is the standard file extension for Python scripts?$

A.

.pn

B.

.py

C.

.pt

D.

.pyt

3 $Which command is typically used in the Windows Command Prompt to run a Python file named 'script.py'?$

A.

go script.py

B.

execute script.py

C.

python script.py

D.

run script.py

4 $What is the correct syntax to output 'Hello World' in Python 3?$

A.

print('Hello World')

B.

echo 'Hello World'

C.

console.log('Hello World')

D.

System.out.println('Hello World')

5 $Which symbol indicates that the Python interpreter is running in interactive mode?$

A.

---

B.

$$$

C.

###

D.

>>>

6 $Which of the following is a valid variable name in Python?$

A.

my-var

B.

my var

C.

_my_var

D.

2my_var

7 $What happens if you try to use a variable that has not been defined?$

A.

The program returns 0

B.

A NameError occurs

C.

The program returns None

D.

A TypeError occurs

8 $Which operator is used to assign a value to a variable?$

A.

=

B.

:

C.

==

D.

->

9 $Python is a case-sensitive language. What does this mean?$

A.

Keywords must always be uppercase

B.

'Variable' and 'variable' are the same

C.

'Variable' and 'variable' are different identifiers

D.

Variables must always be uppercase

10 $Which of the following is a Python keyword?$

A.

yield

B.

integer

C.

variable

D.

print

11 $What function is used to check the data type of a value?$

A.

type()

B.

check()

C.

typeof()

D.

class()

12 $What is the data type of the value 3.14?$

A.

int

B.

float

C.

bool

D.

str

13 $What is the data type of the value '10'?$

A.

int

B.

float

C.

bool

D.

str

14 $Which of the following represents a Boolean value in Python?$

A.

1.0

B.

true

C.

TRUE

D.

True

15 $What is a 'statement' in Python?$

A.

A unit of code that the Python interpreter can execute

B.

A syntax error

C.

A math equation only

D.

A comment line

16 $Which of the following is an example of an expression?$

A.

x = 5

B.

5 + 10

C.

if x > 5:

D.

import os

17 $What is the result of the floor division operation: 7 // 2?$

A.

3

B.

4

C.

3.5

D.

2

18 $Which operator calculates the remainder of a division?$

A.

#

B.

/

C.

%

D.

//

19 $What is the result of 2 ** 3?$

A.

8

B.

9

C.

6

D.

5

20 $What is the output of the following code: print(10 / 2)?$

A.

10

B.

2

C.

5

D.

5.0

21 $Following the order of operations (PEMDAS), what is the result of 2 + 3 * 4?$

A.

10

B.

20

C.

14

D.

24

22 $Which character starts a single-line comment in Python?$

A.

#

B.

/*

C.

//

D.

--

23 $What happens when you use the '+' operator on two strings?$

A.

It throws a TypeError

B.

It concatenates the strings

C.

It adds the ASCII values

D.

It subtracts them

24 $What happens when you use the '' operator on a string and an integer (e.g., 'Hi' 3)?$

A.

It repeats the string 3 times

B.

It adds the number to the string

C.

TypeError

D.

It creates a list

25 $What is the result of executing: print('5' + 5)?$

A.

TypeError

B.

10

C.

55

D.

NaN

26 $Variables in Python are 'dynamically typed'. What does this mean?$

A.

Variables cannot change values

B.

You must declare the type before assigning a value

C.

Variables are strictly typed like C++

D.

A variable can hold different types of values at different times

27 $Which naming convention is recommended for Python variable names?$

A.

camelCase

B.

kebab-case

C.

PascalCase

D.

snake_case

28 $What is the associativity of the exponentiation operator (**) in Python?$

A.

Center

B.

Right-to-left

C.

Random

D.

Left-to-right

29 $What is 'Composition' in the context of Python expressions?$

A.

Compiling code to C

B.

Writing comments

C.

Installing Python packages

D.

Combining simple expressions and statements into compound ones

30 $Which of the following variable names leads to a SyntaxError?$

A.

clazz

B.

klass

C.

Class_Name

D.

class

31 $What does the function input() return by default?$

A.

str

B.

list

C.

float

D.

int

32 $Why are comments important in programming?$

A.

They explain what the code does to humans

B.

They make the code run faster

C.

They encrypt the code

D.

They are required by the compiler

33 $What is the result of: 10 % 3?$

A.

3.33

B.

1

C.

3

D.

10

34 $Which of the following is NOT an assignment statement?$

A.

message = 'Hello'

B.

pi = 3.14159

C.

17 + 3

D.

n = 17

35 $How do you represent a string literal in Python?$

A.

Either single or double quotes

B.

Only single quotes

C.

Only double quotes

D.

Parentheses

36 $What identifies the values acted upon by an operator?$

A.

Comments

B.

Keywords

C.

Functions

D.

Operands

37 $If x = 10 and y = 20, what is the result of: print(x, y)?$

A.

x y

B.

10 20

C.

1020

D.

30

38 $Which of the following creates a multi-line string or comment?$

A.

''' (triple quotes)

B.

#

C.

<!-- -->

D.

//

39 $What error is raised if you write: print 'Hello' in Python 3?$

A.

SyntaxError

B.

TypeError

C.

ValueError

D.

NameError

40 $What is the binary operator for multiplication?$

A.

#

B.

mul

C.

x

D.

*

41 $Which of the following is an illegal variable name?$

A.

CATCH22

B.

catch_22

C.

_catch22

D.

22_catch

42 $If you define variable x = 10 and then x = 'Hello', what happens?$

A.

x now holds the string 'Hello'

B.

The program crashes

C.

Error: Type mismatch

D.

x keeps the value 10

43 $The term 'IDLE' in Python stands for:$

A.

Integrated Development and Learning Environment

B.

Internal Developer Loop Engine

C.

Interactive Design Language Environment

D.

Integrated Debugging Line Editor

44 $Which of the following statements assigns the string 'Python' to the variable named language?$

A.

language == 'Python'

B.

language = 'Python'

C.

'Python' = language

D.

set language 'Python'

45 $What will be the output of: print(3 * '7')?$

A.

Syntax Error

B.

21

C.

37

D.

777

46 $Which character is used to separate two statements on a single line?$

A.

,

B.

;

C.

:

D.

/

47 $In the expression (5 + 2) * 3, which operation happens first?$

A.

Evaluation from left to right regardless

B.

None

C.

Addition

D.

Multiplication

48 $What will the following code output? print(type('5.5'))$

A.

<class 'float'>

B.

<class 'bool'>

C.

<class 'int'>

D.

<class 'str'>

49 $What does a SyntaxError generally indicate?$

A.

The variable name is not found

B.

There is a division by zero

C.

The logic of the program is wrong

D.

The code violates the grammatical rules of Python

50 $When you install Python on Windows, what needs to be added to the PATH variable to run python from any command prompt?$

A.

Nothing, it works automatically

B.

The browser history

C.

The directory where python.exe is located

D.

The My Documents folder

Unit 1: Setting up your Programming Environment; Variables, Expression and Statements - Practice Quiz

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