Practice Oops Multiple Choice Questions with Answers Quiz-2

Q.1.

What is it called where child object gets killed if parent object is killed?

Aggregation
Composition
Encapsulation
Association

Q.2.

Which of the following is associated with objects?

State
Behaviour
Identity
All the above

Q.3.

Choose the behaviour of Class: time

getHour
Print Time
Second
Both A & B

Q.4.

Which Feature of OOP illustrated the code reusability?

Polymorphism
Abstraction
Encapsulation
Inheritance

Q.5.

Pure OOP can be implemented without using class in a program. (True or False)

True
False

Q.6.

Which of the following best defines a class?

Parent of an object
Instance of an object
Blueprint of an object
Scope of an object

Q.7.

How do you rename a file?

fp.name = ‘new_name.txt’
os.rename(existing_name, new_name)
os.rename(fp, new_name)
os.set_name(existing_name, new_name)

Q.8.

What is the use of tell() method in python?

tells you the current position within the file
tells you the end position within the file
tells you the file is opened or not
none of the mentioned

Q.9.

The readlines() method returns ____________

str
a list of lines
a list of single characters
a list of integers

Q.10.

If a function doesn’t have a return statement, which of the following does the function return?

int
null
None
Exception

Q.11.

What is the type of each element in sys.argv?

set
list
tuple
string

Q.12.

How many keyword arguments can be passed to a function in a single function call?

zero
one
zero or more
one or more

Q.13.

What is the value stored in sys.argv[0]?

null
you cannot access it
the program’s name
the first argument

Q.14.

Which of the following statements is false about recursion?

Every recursive function must have a base case
Infinite recursion can occur if the base case isn’t properly mentioned
A recursive function makes the code easier to understand
Every recursive function must have a return value

Q.15.

To read two characters from a file object infile, we use ____________

infile.read(2)
infile.read()
infile.readline()
infile.readlines()

Q.16.

To read the next line of the file from a file object infile, we use ____________

infile.read(2)
infile.read()
infile.readline()
infile.readlines()

Q.17.

What is the type of sys.argv?

string
array
list
tuple

Q.18.

Where is function defined?

Module
Class
Another function
All of the mentioned

Q.19.

Which are the advantages of functions in python?

Reducing duplication of code
Decomposing complex problems into simpler pieces
Improving clarity of the code
All of the mentioned

Q.20.

Java uses both compiler and interpreter

true
false

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