Chapter Exam

Chapter 14: Classes and Objects — Online MCQ Test

Q: Which keyword is used to declare a class in C++?

Answer: B. class — In C++, the class keyword is used to define a new class type.

Q: By default, the members of a class in C++ are:

Answer: C. Private — Class members are private by default unless otherwise specified.

Q: What is the function that is automatically called when an object of a class is created?

Answer: B. Constructor — A constructor is a special member function invoked automatically during object initialization.

Q: Consider a class 'Box'. How are its data members accessed using an object 'b'?

Answer: B. b.length — The dot operator (.) is used to access members of an object instance.

Q: In the context of C++ memory, where are objects usually allocated if declared inside a function?

Answer: A. Stack memory — Local objects in functions are typically stored in the stack memory.

COMPUTER SCIENCE · CLASS 11th · Tamil Nadu State Board

Practice Chapter 14: Classes and Objects with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER SCIENCE. This chapter covers: This chapter details class specifications object declarations access specifiers and member functions in C++. Students learn constructors destructors and memory allocation for class.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 14: Classes and Objects — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER SCIENCE — Chapter 14: Classes and Objects, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which keyword is used to declare a class in C++?

A. struct
B. class ✓
C. object
D. define

Answer: B. class
In C++, the class keyword is used to define a new class type.

By default, the members of a class in C++ are:

A. Public
B. Protected
C. Private ✓
D. Global

Answer: C. Private
Class members are private by default unless otherwise specified.

What is the function that is automatically called when an object of a class is created?

A. Destructor
B. Constructor ✓
C. Member function
D. Main function

Answer: B. Constructor
A constructor is a special member function invoked automatically during object initialization.

Consider a class 'Box'. How are its data members accessed using an object 'b'?

A. b->length
B. b.length ✓
C. b::length
D. Box.length

Answer: B. b.length
The dot operator (.) is used to access members of an object instance.

In the context of C++ memory, where are objects usually allocated if declared inside a function?

A. Stack memory ✓
B. Heap memory
C. Data segment
D. Code segment

Answer: A. Stack memory
Local objects in functions are typically stored in the stack memory.

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