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Welcome to the Recursion MCQs Page

Dive deep into the fascinating world of Recursion with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Recursion, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Recursion, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Recursion. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Recursion. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Recursion MCQs | Page 3 of 18

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Q21.
A recursive function is often less efficient compared to an iterative function. But it is more________.

a.

Elegant

b.

Complex

c.

Simple

d.

None of the above

Discuss
Answer: (a).Elegant
Q22.
An iterative function is preferred when its recursive equivalent is__________.

a.

Complex

b.

Simple

c.

Efficient

d.

None of the above

Discuss
Answer: (a).Complex
Q23.
What is a good approach to remove recursion from an algorithm?

a.

Recursion

b.

Stack implementation

c.

Regressive

d.

None of the above

Discuss
Answer: (b).Stack implementation
Q24.
A subroutine can be coded so that it may call itself recursively, at___________, in order to perform its task.

a.

One or more places

b.

Two or more places

c.

More places

d.

None of the above

Discuss
Answer: (a).One or more places
Q25.
For implementing recursive function the data structure used is:

a.

Stack

b.

Queue

c.

Linked List

d.

Tree

Discuss
Answer: (a).Stack
Q26.
Which of the following algorithm cannot be designed without recursion?

a.

Tower of Hanoi

b.

Fibonacci Series

c.

Tree Traversal

d.

All can be designed without recursion

Discuss
Answer: (d).All can be designed without recursion
Q27.
If there is no base criteria in a recursive program, the program will ................

a.

not be executed

b.

execute until all conditions match

c.

execute infinitely

d.

obtain progressive approach

Discuss
Answer: (c).execute infinitely
Q28.
Infinite recursion leads to ...............

a.

Overflow of run-time stack

b.

Underflow of registers usage

c.

Overflow of I/O cycles

d.

Underflow of run-time stack

Discuss
Answer: (a).Overflow of run-time stack
Q29.
Recursion is memory-intensive because:

a.

Recursive functions tend to declare many local variables

b.

Previous function calls are still open when the function calls itself and the activation records of these previous calls still occupy space on the call stack

c.

Many copies of the function code are created

d.

It requires large data values

Discuss
Answer: (b).Previous function calls are still open when the function calls itself and the activation records of these previous calls still occupy space on the call stack
Q30.
Part of a recursive algorithm that handles a simple input that can be solved without resorting to a recursive call, is known as

a.

Base case

b.

Recursive case

c.

Summation case

d.

Relational case

Discuss
Answer: (a).Base case
Page 3 of 18

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