20 questions
Which of the following statements for a simple graph is correct?
Every path is a trail
Every trail is a path
Every trail is a path as well as every path is a trail
Path and trail have no relation
For the given graph(G), which of the following statements is true?
The covering number of the graph is 1
G is not a connected graph
Independence number of the graph is 1
Both A and C
What is the number of edges present in a complete graph having n vertices?
n
n-1
n(n-1)/2
n+1
Which of the following is true?
A graph may contain no edges and many vertices
A graph may contain many edges and no vertices
A graph may contain no edges and no vertices
A graph may contain no vertices and many edges
The given Graph is regular.
True
False
Which of the following statements is/are true?
Number of odd degree vertices is even.
Sum of degrees of all vertices is even.
Both A and B
Neither A nor B
A graph G is r-Regular if,
deg(v)=r for all v in V(G)
d(u,v)=r for all u,v in V(G)
|V(G)|=r
|E(G)|=r
Pick the incorrect statement
Every graph is a subgraph to itself
Empty graphs are regular of degree one
Which of the following is not a property of Complete Bipartite Graph?
It consists of two sets of vertices X and Y.
The vertices of set X join only with the vertices of set Y.
The vertices within the same set do not join.
Each vertex in the same set are adjacent.
Bipartite Graph Contain
No odd cycles
Odd cycles
Even cycles
No even cycles
A simple graph in which any two vertices are adjacent is called………?
Bipartite Graph
Complete Bipartite Graph
Complete Graph
None of these
Which of the following statement is true?
Every subgraph of a Complete graph is itself Complete.
Every subgraph of a Complete bipartite graph is itself Complete bipartite.
Every subgraph of a bipartite graph is itself bipartite.
None of these
A graph whose edge set is empty is called ...............
An independent set in a graph is,
A set of pairwise nonadjacent vertices
A set of pairwise adjacent vertices
A set of pairwise vertices
None of the above
The degree of a vertex is the number of edges incident with that vertex.
True
False
Which of the following is an example of an r-regular graph?
A complete graph with r vertices.
complete bipartite graph with r vertices in each part
complete bipartite graph with r+1 vertices in each part
None of these
Any two isomorphic graphs determine the same partition.
True
False
Which of the following statement is true?
Two simple graphs G and H are isomorphic if and only if complement of G is isomorphic to complement of H.
Two simple graphs G and H are isomorphic if and only if number of vertices in H and number of vertices in G are same.
Two simple graphs G and H are isomorphic if and only if number of edges in G and number of edges in H are same.
None of these
Which of the following is an example of a self complimentary graph?
Complete graph with 4 vertices.
Path with 4 vertices.
Complete graph with 9 vertices.
None of these
If G is a bipartite graph, then
Edge independence number of G < Covering number of G
Edge independence number of G > Covering number of G
Edge independence number of G = Covering number of G
Edge independence number of G is not equal to Covering number of G