This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Introduction To Graphs > Class 8 Maths Chapter 15 Introduction To Graphs – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 15 Introduction To Graphs Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain the concept of a weighted graph. A) A graph with only one vertex. B) A graph with edges of different colors. C) A graph with no edges. D) A graph in which a number (weight) is assigned to each edge. Show Answer Correct Answer: D) A graph in which a number (weight) is assigned to each edge. 2. The point that lies in the third quadrant is ..... A) (5, 5). B) (-5, 5). C) (5, -5). D) (-5, -5). Show Answer Correct Answer: D) (-5, -5). 3. The point (0, 8) lies on ..... A) X-axis. B) Y-axis. C) Both axes. D) None. Show Answer Correct Answer: B) Y-axis. 4. Internet and newspaper are a type of ..... method of data collection. A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: B) Secondary. 5. Which team is coloured green? A) Team 1. B) Team 2. C) Team 4. D) Team 3. Show Answer Correct Answer: D) Team 3. 6. Write the name of the point where X-axis and Y-axis intersect. A) Origin (1, 2). B) Origin(0, 1). C) Origin (0, 0). D) Non of the above. Show Answer Correct Answer: C) Origin (0, 0). 7. Define edges in the context of a graph. A) Connections between the vertices or nodes. B) Lines connecting the angles. C) The area inside the graph. D) The center of the graph. Show Answer Correct Answer: A) Connections between the vertices or nodes. 8. The population of men and women in 2020 is the same? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. In which of the following quadrant does the point P(-3, -3) lie? A) IV. B) I. C) III. D) II. Show Answer Correct Answer: C) III. 10. Create a pictograph using the given data:Apples-5, Oranges-3, Bananas-7 A) Pictograph created with 3 apples, 5 oranges, and 7 bananas. B) Pictograph created with 7 apples, 3 oranges, and 5 bananas. C) Pictograph created with 5 apples, 3 oranges, and 7 bananas. D) Pictograph created with 2 apples, 4 oranges, and 6 bananas. Show Answer Correct Answer: C) Pictograph created with 5 apples, 3 oranges, and 7 bananas. 11. Relations that is a FUNCTION is A) One-to-one relation. B) One-to-many relation. C) Many-to-many relation. D) All of the above relations. Show Answer Correct Answer: A) One-to-one relation. 12. In which year the population of women is the highest? A) 2020. B) 2005. C) 2010. D) 2015. Show Answer Correct Answer: A) 2020. 13. What is line graph? A) If a graph obtained is a straight line it is called line graph. B) A line graph is a graph consisting of bits of line segments joined consecutively. C) Both. D) None of the above. Show Answer Correct Answer: B) A line graph is a graph consisting of bits of line segments joined consecutively. 14. The abscissa for (9, 19) is A) 28. B) 19. C) 10. D) 9. Show Answer Correct Answer: D) 9. 15. $\left(-6y\right)\left(-6y\right)\left(-6y\right)$ A) $-6y^3$. B) $-\left(6y\right)^3$. C) $\left(-6y\right)^3$. D) None of the above. Show Answer Correct Answer: C) $\left(-6y\right)^3$. 16. For the function {(0, 1), (1, -3), (2, -4), (-4, 1)}, write the domain and range. A) D:{1, -3, -4, }R:{0, 1, 2, -4}. B) D:{-4, 0, 1, 2}R:{-4, -3, 1}. C) D:{0, 1, 2, 3, 4}R:{1, -3, -4}. D) None of the above. Show Answer Correct Answer: B) D:{-4, 0, 1, 2}R:{-4, -3, 1}. 17. X-coordinate is also called A) Ordinate. B) Abscissa. C) All of the above. D) Non of the above. Show Answer Correct Answer: B) Abscissa. 18. A rectangular piece of paper 22 cm long and 12 cm broad is rolled along its length to form a cylinder, then height of the cylinder is A) 6 cm. B) 22 cm. C) 12 cm. D) 11 cm. Show Answer Correct Answer: C) 12 cm. 19. What is the average score of all the teams? A) 27%. B) 25%. C) 29%. D) 22%. Show Answer Correct Answer: B) 25%. 20. Interpret the following graph:What is the highest value represented? A) The highest value represented is 90. B) The highest value represented is 80. C) The highest value represented is 75. D) The highest value represented is 70. Show Answer Correct Answer: B) The highest value represented is 80. 21. All of the x values or inputs are called what? A) Domain. B) Range. C) Function. D) Relation. Show Answer Correct Answer: A) Domain. 22. A graph that displays data that changes continuously over periods of time is called: A) Line Graph. B) Linear Graph. C) Pie Chart. D) Bar Graph. Show Answer Correct Answer: A) Line Graph. 23. Compare the data using pictographs:Dogs-4, Cats-6, Birds-3 A) Dogs have the highest count among cats, dogs, and birds. B) Birds have the highest count among cats, dogs, and birds. C) Cats have the lowest count among cats, dogs, and birds. D) Cats have the highest count among dogs, cats, and birds. Show Answer Correct Answer: D) Cats have the highest count among dogs, cats, and birds. 24. What is the definition of function? A) Has inputs and outputs. B) Every input has only ONE output. C) Inputs have different outputs every time. D) X-values and y-values. Show Answer Correct Answer: B) Every input has only ONE output. 25. What is the significance of a graph in real-world applications? A) Graphs are used to model and analyze real-world systems. B) Graphs are only used for artistic purposes. C) Graphs are only used in mathematics and have no practical use. D) Graphs have no real-world applications. Show Answer Correct Answer: A) Graphs are used to model and analyze real-world systems. 26. Explain the concept of vertices in a graph. A) Vertices are the lines connecting the nodes in a graph. B) Vertices are the points or nodes where edges or connections meet. C) Vertices are the numbers assigned to the edges in a graph. D) Vertices are the shapes used to represent the graph. Show Answer Correct Answer: B) Vertices are the points or nodes where edges or connections meet. 27. If length is l, breadth is b and height is h, find the area of a room except the ceiling and floor. A) A (core+with it+do) pulp. B) L * b * h. C) 2(l + b + h). D) 2h(l+b). Show Answer Correct Answer: D) 2h(l+b). 28. The vertical line graph on graph is called ..... A) X-axis. B) Y-axis. C) Both the axis. D) None. Show Answer Correct Answer: B) Y-axis. 29. A ..... is a bar graph that shows data in intervals. A) Pie Chart. B) Double Bar Graph. C) Histograph. D) Line Graph. E) All Of The Above. Show Answer Correct Answer: C) Histograph. 30. Which of the following pairs of points have distance 4 units between them? A) (2, 0) and (4, 0). B) (0, 3) and (0, .6). C) (1, 0) and (5, 0). D) (0, 4) and (0, 2). Show Answer Correct Answer: C) (1, 0) and (5, 0). 31. In which year population of men is more than women? A) 2015. B) 2010. C) 2020. D) 2005. Show Answer Correct Answer: A) 2015. 32. The ordinate for (2, 8) is A) 6. B) 8. C) 2. D) 10. Show Answer Correct Answer: B) 8. 33. Which team has the second-highest score? A) Team 2. B) Team 3. C) Team 1. D) Team 4. Show Answer Correct Answer: A) Team 2. 34. Which point lies only on y-axis? A) (2, 0). B) (0, -2). C) (-2, 0). D) (2, -2). Show Answer Correct Answer: B) (0, -2). 35. Choose the correct answer:The point (4, 1) is ..... A) Nearer to x-axis. B) Nearer to y-axis. C) Nearer to origin. D) Equidistant from x-axis and y-axis. Show Answer Correct Answer: A) Nearer to x-axis. 36. The point (-2, -2) is: A) Near to x-axis. B) Near to y-axis. C) Near to origin. D) Equidistant from x-axis and y-axis. Show Answer Correct Answer: D) Equidistant from x-axis and y-axis. 37. All of the y values or outputs are called what? A) Relation. B) Range. C) Domain. D) Function. Show Answer Correct Answer: B) Range. 38. A point whose Y coordinate is zero, will lie on the x-axis A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. Discuss the importance of graph theory in computer science. A) Graph theory has no relevance in computer science. B) Graph theory is only used in art and literature. C) Graph theory is only used in advanced mathematics. D) Graph theory helps in representing and analyzing complex relationships and connections between data points. Show Answer Correct Answer: D) Graph theory helps in representing and analyzing complex relationships and connections between data points. 40. What are coordinates? A) X and Y taken separately are called coordinates. B) When X and Y are not taken it is called coordinates. C) X and Y taken together are called coordinates. D) All of these. Show Answer Correct Answer: C) X and Y taken together are called coordinates. 41. When is the population of men, the minimum? A) 2015. B) 2010. C) 2020. D) 2005. Show Answer Correct Answer: D) 2005. 42. The point (4, 0) lies on which of the following? A) X-axis. B) Y-axis. C) Origin. D) None of the above. Show Answer Correct Answer: A) X-axis. 43. Read the tally marks:|||| ||| || A) 10. B) 7. C) 5. D) 8. Show Answer Correct Answer: B) 7. 44. The point that lies in the fourth quadrant is ..... A) (-3, 4). B) (3, -4). C) (3, 4). D) (-3, -4). Show Answer Correct Answer: B) (3, -4). 45. How many men were there in the village in 2010? A) 1500. B) 2000. C) 500. D) 1000. Show Answer Correct Answer: D) 1000. 46. In a pictograph, what does each picture or symbol represent? A) Each picture or symbol represents a letter of the alphabet. B) Each picture or symbol represents a random value. C) Each picture or symbol represents a specific quantity or value. D) Each picture or symbol represents a musical note. Show Answer Correct Answer: C) Each picture or symbol represents a specific quantity or value. 47. What is the purpose of tally marks? A) To write letters, To create art, To play music. B) To count and keep track of a number of items. C) All the above. D) None of the above. Show Answer Correct Answer: B) To count and keep track of a number of items. 48. What is the purpose of representing a graph using an adjacency matrix? A) To determine the shortest path between two vertices in the graph. B) To show the connections between vertices and edges in a matrix format. C) To calculate the total number of vertices in the graph. D) To display the colors of the vertices in the graph. Show Answer Correct Answer: B) To show the connections between vertices and edges in a matrix format. 49. The ordinate of a point is its distance from ..... A) Origin. B) X-axis. C) Y-axis. D) None of these. Show Answer Correct Answer: B) X-axis. 50. What is abscissa? A) X-coordinate. B) Y-coordinate. C) Both. D) None of the above. Show Answer Correct Answer: A) X-coordinate. 51. Describe the types of graphs based on their structure. A) Directed graph, undirected graph, weighted graph, and unweighted graph. B) Tree graph, cycle graph, complete graph. C) Bar graph, line graph, pie chart. D) Connected graph, disconnected graph, acyclic graph. Show Answer Correct Answer: A) Directed graph, undirected graph, weighted graph, and unweighted graph. 52. Relation is the matching of items from set A to set B. Relations can be represented by using the following, EXCEPT A) Graph. B) Ordered pair. C) Arrow diagram. D) Chart. Show Answer Correct Answer: D) Chart. 53. If we join (-3, 2), (-3, -3) and (-3, 4), then we obtain A) A triangle. B) Straight-line without passing through origin. C) Straight-line passing through origin. D) None of the above. Show Answer Correct Answer: B) Straight-line without passing through origin. 54. True or Falsethe coordinate of origin are (1, 1) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 55. Which team has the lowest score? A) Team 3. B) Team 1. C) Team 4. D) Team 2. Show Answer Correct Answer: A) Team 3. 56. In the given relation, what domain value corresponds to the range value-2?{(-1, 2), (-2, 4), (2, 5), (0, -2), (2, 0)} A) 4. B) -2. C) 0. D) 2. Show Answer Correct Answer: C) 0. 57. Which of the following points lie on the x-axis? A) (2, -3). B) (-7, 0). C) (-1, -2). D) (0, 7). Show Answer Correct Answer: B) (-7, 0). 58. How many types of data we have learnt in today's lecture? A) 3. B) 4. C) 1. D) 2. Show Answer Correct Answer: D) 2. 59. The graph of x=4 is: A) A line on x-axis. B) A line on y-axis. C) A line parallel to x-axis. D) A line parallel to y-axis. Show Answer Correct Answer: D) A line parallel to y-axis. 60. What are the components of a graph? A) Vertices and edges. B) Nodes and lines. C) Points and connections. D) Vertices and paths. Show Answer Correct Answer: A) Vertices and edges. Next →Related QuizzesMathematics QuizzesClass 8 QuizzesClass 8 Maths Chapter 15 Introduction To Graphs Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books