Binary Trees Questions

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41.

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

A

inorder

B

preorder

C

postorder

D

any order

Correct Answer: C

None.

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42.

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

A

Three nodes

B

Two nodes

C

One node

D

Any number of nodes

Correct Answer: C

None.

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43.

A binary tree of depth

A

Each leaf in the tree is either at level

B

For any node

C

Both a and b

D

None of the above

Correct Answer: C

None.

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44.

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

A

36

B

6

C

1

D

64

Correct Answer: D

None.

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45.

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

A

pre-order

B

in-order

C

post order

D

not possible

Correct Answer: B

None.

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46.

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?

A

left, root, right

B

root, left, right

C

right, root, left

D

right, left, root

Correct Answer: C

None.

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47.

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__________.

A

Left sub tree

B

Right sub tree

C

Both (a) and (b)

D

Heap tree

Correct Answer: C

None.

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48.

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

A

Four

B

Three

C

Two

D

One

Correct Answer: C

None.

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49.

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

A

Dual level

B

Multilevel

C

Tri level

D

Single level

Correct Answer: B

None.

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50.

The depth of a binary tree is the highest level number of any ______ in the binary tree.

A

Leaf node

B

Parent node

C

Sibling node

D

None of the above

Correct Answer: A

None.

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