This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 15 Introduction To Graphs ā Quiz 3 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 15 Introduction To Graphs Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Relation is the matching of items from set A to set B. Relations can be represented by using the following, EXCEPT A) Arrow diagram. B) Graph. C) Ordered pair. D) Chart. Show Answer Correct Answer: D) Chart. 3. 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. 4. 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. 5. Which team has the lowest score? A) Team 1. B) Team 2. C) Team 3. D) Team 4. Show Answer Correct Answer: C) Team 3. 6. In the given relation, what domain value corresponds to the range value-2?\{(-1, 2), (-2, 4), (2, 5), (0, -2), (2, 0)\} A) -2. B) 0. C) 2. D) 4. Show Answer Correct Answer: B) 0. 7. Which of the following points lie on the x-axis? A) (2, -3). B) (0, 7). C) (-7, 0). D) (-1, -2). Show Answer Correct Answer: C) (-7, 0). 8. How many types of data we have learnt in today's lecture? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 9. 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. 10. 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. 11. State the range of the relation. \{ (3, -2), (4, -3), (5, -4), (6, 0) \} A) (3, -2, 4, -3). B) (-2, -3, -4, 0). C) \{-4, -3, -2, 0 \}. D) \{ 3, 4, 5, 6 \}. Show Answer Correct Answer: C) \{-4, -3, -2, 0 \}. 12. The point(-1, -2) lies in ..... A) I quad. B) II quad. C) III quad. D) IV quad. Show Answer Correct Answer: C) III quad. 13. Plot the points A(5, 5), B(2, 5), C(5, 2) and D(7, 2) on a graph paper. Connect the points A, B, C and D with line segments. ABCD is a ..... A) Square. B) Rectangle. C) Parallelogram. D) Trapezium. Show Answer Correct Answer: D) Trapezium. 14. A line graph which is a whole unbroken line is called a A) Linear graph. B) Pie-chart. C) Histograph. D) Bar-graph. Show Answer Correct Answer: A) Linear graph. 15. Which team has the highest score? A) Team 1. B) Team 2. C) Team 3. D) Team 4. Show Answer Correct Answer: D) Team 4. 16. What is the name of horizontal and vertical lines drawn to determine the position of any point in the Cartesian Plane? A) X-axis, Y-axis. B) A-axis, B-axis. C) X-axis, Z-axis. D) None of the above. Show Answer Correct Answer: A) X-axis, Y-axis. 17. A ..... is used to compare parts of a whole. A) Bar graph. B) Pie graph. C) Histogram. D) All Of the above. Show Answer Correct Answer: B) Pie graph. 18. How do you create a pictograph? A) Use only letters, color the graph, draw random shapes. B) Select a shape, color the graph, write numbers on the side. C) Pick a random number, color the graph, write numbers on the side. D) Choose a symbol, determine quantities, draw symbols on a graph. Show Answer Correct Answer: D) Choose a symbol, determine quantities, draw symbols on a graph. 19. A ..... displays data that changes continuously over periods of time. A) Bar graph. B) Line graph. C) Histogram. D) Pie chart. Show Answer Correct Answer: B) Line graph. 20. NUMERICAL DATA CAN BE REPRESENTED IN THE FORM OF- A) SYMBOLS. B) GRAPHS. C) LINES. D) EQUATIONS. Show Answer Correct Answer: B) GRAPHS. 21. How are graphs different from trees? A) Graphs always have a single path between any two nodes, while trees can have multiple paths. B) Graphs cannot have weighted edges, while trees can. C) Graphs can have cycles and can be disconnected, while trees are acyclic and connected. D) Graphs have a root node, while trees do not. Show Answer Correct Answer: C) Graphs can have cycles and can be disconnected, while trees are acyclic and connected. 22. Numbers from 5 from 15 are written on separate slips(one number on one slip), kept in a box and mixed well. One slip chosen from the box without looking into it. What is the probability of getting a 2-digit number???? A) $0$. B) $\frac{6}{10}$. C) $\frac{6}{11}$. D) $1$. Show Answer Correct Answer: C) $\frac{6}{11}$. 23. The point where x-axis and y-axis intersect is called the ..... A) Origin. B) Ordinate. C) Abscissa. D) Ordered pair. Show Answer Correct Answer: A) Origin. 24. Provide an example of a practical use of graphs in everyday life. A) GPS systems. B) Car maintenance. C) Weather forecasting. D) Cooking recipes. Show Answer Correct Answer: A) GPS systems. 25. Which of the points do not lie on any of the axis? A) (2, -3). B) (3, 0). C) (0, 2). D) (-3, 0). 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