MCQs Of Day 1
Introduction to Python Programming
Part 1:
General Python Basics
1. Which of
the following is true about Python?
o
a) Python is compiled.
o
b) Python is interpreted.
o
c) Python is both compiled and interpreted.
o
d) Python is neither compiled nor interpreted.
Answer: b) Python is interpreted.
Explanation: Python executes code line-by-line using an interpreter,
making it easier to debug and test.
2. Who
developed Python?
o
a) Dennis Ritchie
o
b) Guido van Rossum
o
c) James Gosling
o
d) Bjarne Stroustrup
Answer: b) Guido van Rossum
Explanation: Guido van Rossum developed Python in 1991 to simplify
programming.
3. Which
symbol is used for comments in Python?
o
a) //
o
b) /* */
o
c) #
o
d) <!-- -->
Answer: c) #
Explanation: In Python, # is used for single-line comments.
4. What is
the correct extension for Python files?
o
a) .py
o
b) .python
o
c) .pyt
o
d) .txt
Answer: a) .py
Explanation: Python source files are saved with the .py extension.
5. How do
you print text in Python?
o
a) printf("Hello")
o
b) echo "Hello"
o
c) System.out.println("Hello")
o
d) print("Hello")
Answer: d) print("Hello")
Explanation: Python uses the print() function to display output.
Part 2:
Installation and Setup
6. Which
website is used to download Python?
o
a) www.python.com
o
b) www.python.org
o
c) www.python.net
o
d) www.installpython.org
Answer: b) www.python.org
Explanation: Python's official website is www.python.org.
7. What
option should you select during installation to run Python from any directory?
o
a) Install Now
o
b) Add Python to PATH
o
c) Customize Installation
o
d) Python Interpreter
Answer: b) Add Python to PATH
Explanation: Adding Python to PATH allows running Python commands from
the terminal.
8. How do
you check the Python version installed on your system?
o
a) python --version
o
b) python -v
o
c) checkpython
o
d) version python
Answer: a) python --version
Explanation: This command displays the installed Python version.
Part 3:
Variables and Data Types
9. Which of
the following is a valid variable name in Python?
o
a) 1name
o
b) name!
o
c) _name
o
d) my-name
Answer: c) _name
Explanation: Variables in Python must start with a letter or underscore
and cannot contain special characters like ! or -.
10.
What data type does the following represent?
x = "Hello, World!"
o
a) int
o
b) str
o
c) bool
o
d) float
Answer: b) str
Explanation: Strings (str) are sequences of characters enclosed in
quotes.
11.
What is the result of 10 + 5 in Python?
o
a) 105
o
b) 15
o
c) "10 + 5"
o
d) Error
Answer: b) 15
Explanation: The + operator adds two integers in Python.
Part 4:
Input and Output
12.
Which function is used to get input from the user?
o
a) input()
o
b) read()
o
c) scanf()
o
d) input_text()
Answer: a) input()
Explanation: The input() function allows user input during program
execution.
13.
What will be the output of the following code?
name = input("Enter your name: ")
print("Hello,
" + name)
o
a) Syntax error
o
b) Hello, name
o
c) Hello, (user’s name)
o
d) Enter your name: Hello
Answer: c) Hello, (user’s name)
Explanation: The program concatenates the user input with "Hello,
".
Part 5:
Strings
14.
What does the following code output?
print("Python" + "Programming")
o
a) Python Programming
o
b) PythonProgramming
o
c) Error
o
d) None
Answer: b) PythonProgramming
Explanation: The + operator concatenates strings without adding spaces.
15.
How do you include a newline in a Python string?
o
a) \n
o
b) \t
o
c) \n
o
d) newline()
Answer: a) \n
Explanation: The \n escape character adds a newline in strings.
Part 6:
Errors and Debugging
16.
What type of error will the following code produce?
print("Hello, World!)
o
a) SyntaxError
o
b) NameError
o
c) TypeError
o
d) ValueError
Answer: a) SyntaxError
Explanation: The missing closing quote causes a SyntaxError.
17.
How can you run a Python script file named script.py
from the terminal?
o
a) execute script.py
o
b) python script.py
o
c) run script.py
o
d) start script.py
Answer: b) python script.py
Explanation: The python command executes Python scripts from the
terminal.
Part 7:
Python Features
18.Which of the following makes Python
beginner-friendly?
o
a) Complex syntax
o
b) Extensive libraries
o
c) High-level language
o
d) Both b and c
Answer: d) Both b and c
Explanation: Python is beginner-friendly due to its simple syntax and
extensive libraries.
19.What type of language is Python?
o
a) Low-level
o
b) Assembly
o
c) High-level
o
d) Machine
Answer: c) High-level
Explanation: High-level languages like Python abstract away hardware details.
Part 8:
Miscellaneous
20. Which of the following is NOT a feature of Python?
o
a) Interpreted
o
b) Platform-independent
o
c) Case-sensitive
o
d) Requires compilation
Answer: d) Requires compilation
Explanation: Python does not require compilation; it is an interpreted
language.
21. What is the output of print(3 * "Hi")?
o
a) HiHiHi
o
b) Hi3
o
c) 3Hi
o
d) Error
Answer: a) HiHiHi
Explanation: The * operator repeats strings in Python.
Part 9: Arithmetic and Logical Operators
22.
What will the result of the following operation be?
10 % 3
o
a) 1
o
b) 3
o
c) 10
o
d) 0
Answer: a) 1
Explanation: The % operator calculates the remainder when 10 is divided
by 3.
23.
What is the output of the following code?
print(2 ** 3)
o
a) 6
o
b) 8
o
c) 9
o
d) 16
Answer: b) 8
Explanation: The ** operator is used for exponentiation (2^3 = 8).
24.
Which operator is used for logical AND in Python?
o
a) &&
o
b) AND
o
c) and
o
d) &
Answer: c) and
Explanation: The keyword and is used for logical AND operations in
Python.
Part 10:
Data Types
25.
What is the output of the following code?
type(5.0)
o
a) int
o
b) float
o
c) double
o
d) decimal
Answer: b) float
Explanation: Numbers with a decimal point in Python are of type float.
26.
Which of the following is a mutable data type in
Python?
o
a) str
o
b) list
o
c) tuple
o
d) int
Answer: b) list
Explanation: Lists are mutable, meaning they can be modified after
creation.
27.
Which of the following is not a valid Python data
type?
o
a) str
o
b) char
o
c) list
o
d) bool
Answer: b) char
Explanation: Python does not have a char type; single characters are
strings of length 1.
Part 11:
String Manipulation
28.
What will the following code output?
print(len("Python"))
o
a) 6
o
b) 5
o
c) 7
o
d) Error
Answer: a) 6
Explanation: The len() function returns the number of characters in the
string, including spaces.
29.
Which of the following methods converts a string to
uppercase?
o
a) upper()
o
b) toUpperCase()
o
c) UPPERCASE()
o
d) uppercase()
Answer: a) upper()
Explanation: The upper() method converts all characters in a string to
uppercase.
30. What does the following code output?
"Python".lower()
o
a) PYTHON
o
b) python
o
c) Python
o
d) Error
Answer: b) python
Explanation: The lower() method converts all characters to lowercase.
Part 12:
Comments and Documentation
31.
Which type of comment is used in Python?
o
a) Single-line comment using #
o
b) Multi-line comment using """ or '''
o
c) Both a and b
o
d) None of the above
Answer: c) Both a and b
Explanation: Python supports single-line comments (#) and multi-line
comments (""" or ''').
32.
What happens when the following code runs?
# print("Hello, World!")
o
a) Hello, World!
o
b) Nothing
o
c) Error
o
d) None of the above
Answer: b) Nothing
Explanation: Comments are ignored during program execution.
Part 13:
Python Features
33.
What does it mean that Python is dynamically typed?
o
a) You must declare variable types before using
them.
o
b) Variable types are checked at runtime.
o
c) Variable types cannot change.
o
d) Python has no data types.
Answer: b) Variable types are checked at runtime.
Explanation: In Python, variables can hold different types of data
without explicit type declaration.
34. Which of the following features make Python
platform-independent?
o
a) It compiles to binary code.
o
b) Python programs can run on any operating system
with a compatible interpreter.
o
c) It uses the JVM.
o
d) None of the above.
Answer: b) Python programs can run on any operating system with a
compatible interpreter.
Explanation: Python's interpreter abstracts away platform differences.
Part 14:
Python Scripts
35.
What will happen if you omit the .py extension
while saving a Python file?
o
a) The file won't execute.
o
b) It will execute, but with a warning.
o
c) It can still run if you use the correct command.
o
d) None of the above.
Answer: c) It can still run if you use the correct command.
Explanation: While .py is the standard extension, files without it can
still execute using the interpreter.
36.Which command is used to execute a Python script?
o
a) python file_name.py
o
b) run file_name.py
o
c) execute file_name.py
o
d) None of the above
Answer: a) python file_name.py
Explanation: Python scripts are executed using the python command
followed by the filename.
Part 15:
Advanced Topics (Light)
37.
What will the following code output?
print("Python", "Programming", sep="-")
o
a) Python Programming
o
b) Python-Programming
o
c) PythonProgramming
o
d) Error
Answer: b) Python-Programming
Explanation: The sep parameter specifies the separator between values.
38.What is the default value of the end parameter in
the print() function?
o
a) A space
o
b) A newline (\n)
o
c) A tab (\t)
o
d) None of the above
Answer: b) A newline (\n)
Explanation: By default, print() ends with a newline.
Part 16:
Input and Type Conversion
39.What will the output be if a user enters 5 for the following code?
num =
input("Enter a number: ")
print(type(num))
o
a) <class 'int'>
o
b) <class 'float'>
o
c) <class 'str'>
o
d) <class 'bool'>
Answer: c) <class 'str'>
Explanation: The input() function always returns user input as a string.
40. How do you convert a string num to an integer in
Python?
o
a) int(num)
o
b) float(num)
o
c) str(num)
o
d) num.toInt()
Answer: a) int(num)
Explanation: The int() function converts strings containing numeric data
into integers.
Part 17: Python Syntax and Rules
41.Which of the following is the correct way to start
a function in Python?
o
a) def function_name():
o
b) function function_name():
o
c) define function_name():
o
d) fun function_name():
Answer: a) def function_name():
Explanation: Python uses the def keyword to define a function.
42.
What is the correct indentation level in Python?
o
a) 2 spaces
o
b) 4 spaces
o
c) Tabs or spaces, but consistent
o
d) Indentation is not required
Answer: c) Tabs or spaces, but consistent
Explanation: Python enforces indentation, and consistency is key for the
code to run correctly.
43. What does the following code print?
print("Python")
print("Programming")
o
a) PythonProgramming
o
b) Python Programming
o
c) Python (on one line) and Programming (on the
next line)
o
d) Error
Answer: c) Python (on one line) and Programming (on the next line)
Explanation: By default, print() outputs text on a new line.
Part 18:
Variables and Assignments
44.Which of the following is NOT a valid variable name
in Python?
o
a) my_var
o
b) 1_variable
o
c) variable_1
o
d) _myvar
Answer: b) 1_variable
Explanation: Variable names cannot start with numbers in Python.
45. What will the following code print?
x =
10
x =
"Hello"
print(x)
o
a) 10
o
b) Hello
o
c) Error
o
d) None of the above
Answer: b) Hello
Explanation: Python variables can change types dynamically; x is
reassigned to "Hello."
Part 19:
Type Checking and Conversion
46. What does the following code output?
print(type(True))
o
a) <class 'bool'>
o
b) <class 'str'>
o
c) <class 'int'>
o
d) Error
Answer: a) <class 'bool'>
Explanation: The value True is of the Boolean data type (bool).
47. What happens if you try to add a string and an
integer in Python?
o
a) The string is converted to an integer
o
b) The integer is converted to a string
o
c) An error occurs
o
d) None of the above
Answer: c) An error occurs
Explanation: Python does not implicitly convert between strings and
numbers for arithmetic operations.
Part 20:
Python Comments
48. What is the purpose of comments in Python code?
o
a) To execute optional code
o
b) To include explanatory notes in the code
o
c) To make the code faster
o
d) None of the above
Answer: b) To include explanatory notes in the code
Explanation: Comments are ignored by the Python interpreter and help
improve code readability.
49.What is the output of the following code?
# This is a comment
print("Hello,
World!")
o
a) This is a comment
o
b) Hello, World!
o
c) Error
o
d) None of the above
Answer: b) Hello, World!
Explanation: Comments are ignored, so only the print() statement is
executed.
Part 21:
Python Input
50. What will the following code do if the user inputs
"25"?
age = input("Enter your age: ")
print(type(age))
o
a) Print <class 'int'>
o
b) Print <class 'str'>
o
c) Print <class 'float'>
o
d) Error
Answer: b) Print <class 'str'>
Explanation: The input() function always returns a string, even if the
user enters a numeric value.
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