Welcome to the Trees MCQs Page

Dive deep into the fascinating world of Trees with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Trees, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Trees, 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.

Check out the MCQs below to embark on an enriching journey through Trees. 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 Trees. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Trees MCQs | Page 8 of 32

Explore more Topics under Data Structures and Algorithms

01

Data Structures Basics

02

Data Types and Abstraction

03

Algorithm Complexity

04

Arrays and Pointers

05

Linked Lists

06

Stacks and Queues

07

Recursion

08

Graphs

09

String Operations

10

Sorting and Searching

11

Object Oriented Programming

12

Dynamic Programming

Q71.

Traversing a binary tree refers to the process of visiting each and every node of the tree exactly how many times?

Once

Twice

Thrice

None

Discuss

Answer: (a).Once

Q72.

In how many different ways can a tree be traversed?

Two ways

Three ways

One way

It cannot be traversed

Discuss

Answer: (b).Three ways

Q73.

In pre-order traversal, the root node is visited before traversing its________subtrees.

Left

Right

Both (a) and (b)

None of the above

Discuss

Answer: (c).Both (a) and (b)

Q74.

In which traversal, the root node is visited after the traversal of its left subtree and before the traversal of its right subtree?

Pre-order traversal

In-order traversal

Post-order traversal

Level-order traversal

Discuss

Answer: (b).In-order traversal

Q75.

Elements in a nonlinear data structure do not form a sequence for example_________.

Tree

Hash tree

Binary tree

All of the above

Discuss

Answer: (d).All of the above

Q76.

One way is to have the linear relationship between the elements by means of sequential memory locations and such linear structures are called ______.

Linked list

Stacks

Arrays

All are the same

Discuss

Answer: (c).Arrays

Q77.

What is one of the most common operations that is performed on trees?

Traversal of nodes

Threads

Pointers

None of the above

Discuss

Answer: (a).Traversal of nodes

Q78.

In which tree, the right NULL pointer of each node (not having a right child node) points to its in-order successor?

Right-threaded binary tree

Left-threaded binary tree

Full-threaded binary tree

All of the above

Discuss

Answer: (a).Right-threaded binary tree

Q79.

A binary search tree, also known as_________.

Binary tree

Binary sorted tree

Sibling node

Heap trees

Discuss

Answer: (b).Binary sorted tree

Q80.

Which code for an alphabet (set of symbols) is generated by constructing a binary tree with nodes containing the symbols to be encoded and their probabilities of occurrence?

Algorithm

Hughman code

Huffman code

Canonical Huffman codes

Discuss

Answer: (c).Huffman code

Page 8 of 32

Welcome to the Trees MCQs Page

Trees MCQs | Page 8 of 32

Explore more Topics under Data Structures and Algorithms

Data Structures Basics

Data Types and Abstraction

Algorithm Complexity

Arrays and Pointers

Linked Lists

Stacks and Queues

Recursion

Graphs

String Operations

Sorting and Searching

Object Oriented Programming

Dynamic Programming

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