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 6 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

Q51.

In order to get the contents of a Binary search tree in ascending order, one has to traverse it in

pre-order

in-order

post order

not possible

Discuss

Answer: (b).in-order

Q52.

In order to get the information stored in a Binary Search Tree in the descending order, one should traverse it in which of the following order?

left, root, right

root, left, right

right, root, left

right, left, root

Discuss

Answer: (c).right, root, left

Q53.

A __________is a non-linear data structure representing the hierarchical structure of one or more elements known as nodes.

Tree

Child nodes

Leaf nodes

None of the above

Discuss

Answer: (a).Tree

Q54.

Each node of a tree stores a data value and has zero or more pointers pointing to the other nodes of the tree, which are also known as its__________.

Child nodes

Leaf nodes

Root

None of the above

Discuss

Answer: (a).Child nodes

Q55.

The node at the top of a tree is known as the ________of the tree.

Heap

Leaf nodes

Child nodes

Root

Discuss

Answer: (d).Root

Q56.

Internal nodes have___________.

Child nodes

Parent nodes

Both (a) and (b)

None of the above

Discuss

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

Q57.

Which concept is useful while writing programming code for implementing various operations on trees?

Recursion

Huffman’s algorithm

Internal nodes

None of the above

Discuss

Answer: (a).Recursion

Q58.

A binary tree is a special type of tree, which can either be empty or have a finite set of nodes, such that, one of the nodes is designated as the root node and the remaining nodes are partitioned into sub trees of the root nodes known as__________.

Left sub tree

Right sub tree

Both (a) and (b)

Heap tree

Discuss

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

Q59.

Unlike a general tree, each node in a binary tree is restricted to have at the most __________child nodes only.

Four

Three

Two

One

Discuss

Answer: (c).Two

Q60.

A binary tree is a ________data structure; each node belongs to a particular level number.

Dual level

Multilevel

Tri level

Single level

Discuss

Answer: (b).Multilevel

Page 6 of 32

Welcome to the Trees MCQs Page

Trees MCQs | Page 6 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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