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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.

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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 3 of 32

Q21.
Any node is the path from the root to the node is called
Discuss
Answer: (b).Ancestor node
Q22.
State true of false.

i) A node is a parent if it has successor nodes.

ii) A node is child node if out degree is one.
Discuss
Answer: (b).True, False
Q23.
…………………. Is a directed tree in which out degree of each node is less than or equal to two.
Discuss
Answer: (b).Binary tree
Q24.
State true or false.

i) An empty tree is also a binary tree.

ii) In strictly binary tree, the out-degree of every node is either o or 2.
Discuss
Answer: (c).True, True
Q25.
When inorder traversing a tree resulted E A C K F H D B G; the preorder traversal would return
Discuss
Answer: (b).FAEKCDHGB
Q26.
A binary tree whose every node has either zero or two children is called
Discuss
Answer: (c).Extended binary tree
Q27.
The depth of a complete binary tree is given by
Discuss
Answer: (c).Dn = logn+1
Discuss
Answer: (a).the variable in E will appear as external nodes and operations in internal nodes
Discuss
Answer: (d).by replacing each empty sub tree by a new external node
Q30.
When converting binary tree into extended binary tree, all the original nodes in binary tree are
Discuss
Answer: (a).internal nodes on extended tree
Page 3 of 32

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