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 5 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

Q41.

A binary tree in which if all its levels except possibly the last, have the maximum number of nodes and all the nodes at the last level appear as far left as possible, is known as

full binary tree

AVL tree

threaded tree

complete binary tree

Discuss

Answer: (a).full binary tree

Q42.

A full binary tree with n leaves contains

n nodes

log n 2 nodes

2n –1 nodes

2 nodes

Discuss

Answer: (c).2n –1 nodes

Q43.

The number of different directed trees with 3 nodes are

Discuss

Answer: (b).3

Q44.

One can convert a binary tree into its mirror image by traversing it in

inorder

preorder

postorder

any order

Discuss

Answer: (c).postorder

Q45.

A B-tree of minimum degree t can maximum _____ pointers in a node.

t–1

2t–1

Discuss

Answer: (d).t

Q46.

A BST is traversed in the following order recursively: Right, root, left. The output sequence will be in

Ascending order

Descending order

Bitomic sequence

No specific order

Discuss

Answer: (b).Descending order

Q47.

The pre-order and post order traversal of a Binary Tree generates the same output. The tree can have maximum

Three nodes

Two nodes

One node

Any number of nodes

Discuss

Answer: (c).One node

Q48.

A binary tree of depth “d” is an almost complete binary tree if

Each leaf in the tree is either at level “d” or at level “d–1”

For any node “n” in the tree with a right descendent at level “d” all the left descendents of “n” that are leaves, are also at level “d”

Both a and b

None of the above

Discuss

Answer: (c).Both a and b

Q49.

What is the maximum possible number of nodes in a binary tree at level 6?

Discuss

Answer: (d).64

Q50.

How many nodes in a tree have no ancestors.

Discuss

Answer: (b).1

Page 5 of 32

Welcome to the Trees MCQs Page

Trees MCQs | Page 5 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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