Binary Search Trees_B Tree — Part 1 MCQs with Explanations

O(n) is the correct answer to “What is the time complexity of searching for an element in a Binary Search Tree (BST) in the worst case”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Inorder is the correct answer to “Which traversal method of a BST will produce a sorted sequence of node values”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

2 is the correct answer to “What is the maximum number of children a node in a Binary Search Tree (BST) can have”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Verify if all nodes in the left subtree are less than the root and all nodes in the right subtree are greater than the root. is the correct answer to “How can you determine if a Binary Tree is a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

All of the above is the correct answer to “Which of the following operations can be performed in O(log n) time on a balanced Binary Search Tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The node is replaced by its predecessor or successor, and then the predecessor or successor is removed. is the correct answer to “What happens when you delete a node with two children from a BST”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

To maintain balance and ensure logarithmic height in self-balancing trees. is the correct answer to “What is the purpose of rotations in a Binary Search Tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Leaf is the correct answer to “In a Binary Search Tree, what is the term for the node that has no children”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

It has a value greater than all values in its left subtree and less than all values in its right subtree. is the correct answer to “What is the primary characteristic of a node in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Traverse to the leftmost node from the root. is the correct answer to “In a BST, how do you find the minimum value node”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The search will return a null pointer. is the correct answer to “What is the result of a successful search operation in a BST when the searched element is not present”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Sorting elements is the correct answer to “Which of the following is NOT a valid operation on a Binary Search Tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

By using self-balancing trees like AVL Trees or Red-Black Trees. is the correct answer to “How can you balance a Binary Search Tree to ensure O(log n) time complexity for operations”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

It allows for faster search, insertion, and deletion operations. is the correct answer to “What is the main advantage of using a Binary Search Tree (BST) over an unsorted list”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Level-order is the correct answer to “In a BST, which traversal method visits nodes in the order of their depth”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

O(n) is the correct answer to “What is the time complexity of inserting a node into a Binary Search Tree (BST) in the worst case”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Faster search operations due to sorted order. is the correct answer to “What is the primary advantage of using a Binary Search Tree (BST) over an array for searching”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Duplicate values are stored in the right subtree. is the correct answer to “How do you handle duplicate values in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

A BST maintains sorted order of elements, while a Binary Heap maintains a heap property. is the correct answer to “What is the key difference between a Binary Search Tree (BST) and a Binary Heap”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Postorder is the correct answer to “Which traversal method of a BST is used for evaluating arithmetic expressions stored in the tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Maximum node is the correct answer to “In a Binary Search Tree (BST), what is the term for the node with the highest value”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

O(n) is the correct answer to “What is the time complexity of deleting the root node in a Binary Search Tree (BST) with two children”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The smallest node in the right subtree. is the correct answer to “How do you find the successor of a node in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The left subtree contains nodes with values less than the root, and the right subtree contains nodes with values greater than the root. is the correct answer to “What property does a Binary Search Tree (BST) ensure for its left and right subtrees”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

When the data is not sorted. is the correct answer to “In which scenario is a Binary Search Tree (BST) not suitable”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

To balance the tree and maintain its properties. is the correct answer to “What is the purpose of the "right rotation" operation in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Nodes are visited in ascending order. is the correct answer to “In a Binary Search Tree (BST), what happens when you perform an inorder traversal”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The height of the tree is minimized. is the correct answer to “Which of the following is a characteristic of a perfectly balanced Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

The largest node in the left subtree. is the correct answer to “How do you find the predecessor of a node in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

O(log n) is the correct answer to “What is the typical time complexity of accessing an element in a Binary Search Tree (BST) in the best case”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

O(log n) is the correct answer to “In a Binary Search Tree (BST), what is the time complexity of searching for an element in the average case”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

To maintain O(log n) time complexity for insertions, deletions, and searches. is the correct answer to “What is the main reason for implementing a Binary Search Tree (BST) as a self-balancing tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Reverse Inorder is the correct answer to “Which traversal method is used to obtain the nodes of a BST in the reverse order of their sorted values”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Replace it with its inorder successor or predecessor, then remove the successor or predecessor. is the correct answer to “When deleting a node from a BST, what should you do if the node to be deleted has two children”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

To maintain balance and keep the tree balanced. is the correct answer to “What is the purpose of the "left rotation" operation in a Binary Search Tree (BST)”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

All nodes in the left subtree are smaller than the node itself. is the correct answer to “In a Binary Search Tree (BST), which of the following is true for any node's left subtree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

2(h+1) - 1 is the correct answer to “What is the minimum number of nodes required to form a Binary Search Tree (BST) of height h”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

By traversing to the rightmost node from the root. is the correct answer to “In a BST, how do you identify the maximum value node”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

Search, insertion, and deletion operations may degrade to O(n) time complexity. is the correct answer to “What happens if a Binary Search Tree (BST) becomes unbalanced due to insertions or deletions”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.

All levels are fully filled, and all leaves are at the same level. is the correct answer to “Which property is true for a Binary Search Tree (BST) that is also a perfect binary tree”. This question is standard in competitive examination syllabi for Binary Search Trees_B Tree.