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Worksheets

Trees

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The number of edges from the root to the node is called __________ of the node.

a)

Height

b)

Length

c)

Path

d)

Depth

2.

In a full binary tree...........................

a)

Each level has exactly 0 or 2 nodes

b)

All the leaves are at the same level

c)

Each node has exactly zero or two children

d)

Each level has exactly 2 nodes

3.

Complete binary tree is

a)

Each level is filled except last level

b)

Binary tree

c)

Each level is filled except first level

d)

all levels are filled

e)

last level is filled from left to right

4.

Inorder traversal

a)

Left Right Root

b)

Left Root Right

c)

Right Left Root

d)

Right Left Root

5.

Preorder Traversal of the tree

a)

1 4 9 5 2 8 3

b)

1 4 9 5 2 3 8

c)

1 4 9 8 5 2 3

d)

1 4 9 8 5 2 3

6.

Post order traversal of the tree

a)

9 8 4 2 3 5 1

b)

4 9 8 5 2 3 1

c)

8 9 4 2 3 5 1

d)

8 9 4 3 2 5 1

7.

The no of external nodes in a full binary tree with 5 internal nodes is?

(a)  

8.

Which is/are correct?

a)

Every binary tree is either complete or full

b)

Every full binary tree is also a complete binary tree

c)

Every complete binary tree is also a full binary tree

d)

All of the above

e)

None of these

9.

Preorder of a binary tree with the following

Postorder traversal: 1 3 5 4 2

Inorder traversal: 1 2 3 4 5

(a)  

10.

How many roots exist for a binary tree?

(a)