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Worksheets

Graph Theory

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which set represents the vertices of the graph?

a)

{1,2}, {2,3}. {2,4}, {4,5}, {4,6}

b)

{1, 2, 3, 4, 5, 6,}

c)

{1, 2, 3, 4, 5, 6, 7}

d)

{1,2}, {2,3}. {2,4}, {4,5}, {4,6}, {6,7}

2.

What is the degree of vertex 4?

a)

3

b)

4

c)

5

d)

7

3.

Which two vertices are adjacent vertices?

a)

5 is adjacent to 6

b)

3 is adjacent to 6

c)

4 is adjacent to 1

d)

3 is adjacent to 2

4.

The graph represents the following vocabulary term.

a)

Cycle

b)

Path

c)

Complete Graph

d)

Complete Bipartite Graph

5.

The graph is an example of a

a)

Path

b)

Cycle

c)

Complete Bipartite Graph

d)

Complete Graph

6.

Which vocabulary term describes the graph?

a)

circuit

b)

path

c)

complete graph

d)

polygon

7.

Which vertices are adjacent to E?

a)

B and C

b)

B, C, D, and A

c)

B

d)

A, B, C, D, F, G

8.

Which of the following are isolated vertices?

a)

F

b)

G

c)

No isolated vertices

d)

F and G

9.

Which describes the edges of the graph?

a)

{A,B}, {A,C}, {A, E}, {B,C}, {B,E}

b)

A, B, C, D, E

c)

{A,B}, {A,C}, {A, E}, {B,C}, {B,E}, {C,D}

d)

{A,B}, {A,C}, {A, E}

10.

Which notation is correct for the complete bipartite graph?

a)

K2,3

b)

K3

c)

K2

d)

K1, 3

11.

What is the number of edges present in a complete graph having n vertices?

a)

(n*(n+1))/2

b)

(n*(n-1))/2

c)

n

d)

Information given is insufficient

12.

The degree of any vertex of graph is .... ?

a)

The number of edges incident with vertex

b)

Number of vertex in a graph

c)

Number of vertices adjacent to that vertex

d)

Number of edges in a graph

13.

Which of the following statements is/are TRUE for undirected graphs?

P: Number of odd degree vertices is even.

Q: Sum of degrees of all vertices is even.

a)

P only

b)

Q only

c)

Both P and Q

d)

Neither P nor Q

14.

Is the given Graph is regular?

a)

Yes

b)

No

15.

Which of the following graphs is not a regular graph?

a)

Isolated Graph

b)

Cycle

c)

Complete Graph

d)

Wheel

16.

Which of the following is true?

a)

A graph may contain no edges and many vertices

b)

A graph may contain many edges and no vertices

c)

A graph may contain no edges and no vertices

d)

A graph may contain no vertices and many edges

17.

What is the number of edges present in a cycle having n vertices?

a)

n+1

b)

2n

c)

n/2

d)

n

18.

Which type of graph has all the vertex of the first set connected to all the vertex of the second set?

a)

Regular Graph

b)

Path

c)

Bipartite Graph

d)

Complete Bipartite Graph

19.

What will be the number of edges in a complete bipartite graph Km,n

a)

m+n

b)

m.n

c)

Data Insufficient

20.

Which of the following is a correct representation of a complete bipartite graph?

a)

K2,2

b)

K4

c)

K5

d)

C3

21.

Which of the following graphs is isomorphic to the given graph

a)

A

b)

B

c)

C

d)

D

22.

Which graph is not a complete graph?

a)
b)
c)
d)
23.

State the number of vertices.

a)

14

b)

3.5

c)

7

d)

5

24.

Find the number of edges.

a)

18

b)

7

c)

9

d)

6

25.

Find the sum of degrees of this graph.

a)

16

b)

8

c)

4

d)

13