This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 15 Introduction To Graphs ā Quiz 1 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 15 Introduction To Graphs Quiz 1 (25 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: B) (-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 3. D) Team 4. Show Answer Correct Answer: C) 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) The area inside the graph. B) Lines connecting the angles. C) Connections between the vertices or nodes. D) The center of the graph. Show Answer Correct Answer: C) 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) I. B) II. C) III. D) IV. 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) 2005. B) 2010. C) 2015. D) 2020. Show Answer Correct Answer: D) 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) 9. B) 10. C) 28. D) 19. Show Answer Correct Answer: A) 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. What is the average score of all the teams? A) 22%. B) 25%. C) 27%. D) 29%. Show Answer Correct Answer: B) 25%. 19. Interpret the following graph:What is the highest value represented? A) The highest value represented is 70. B) The highest value represented is 90. C) The highest value represented is 75. D) The highest value represented is 80. Show Answer Correct Answer: D) The highest value represented is 80. 20. All of the x values or inputs are called what? A) Domain. B) Range. C) Relation. D) Function. Show Answer Correct Answer: A) Domain. 21. 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. 22. 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. 23. 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. 24. 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. 25. Explain the concept of vertices in a graph. A) Vertices are the shapes used to represent the graph. B) Vertices are the numbers assigned to the edges in a graph. C) Vertices are the lines connecting the nodes in a graph. D) Vertices are the points or nodes where edges or connections meet. Show Answer Correct Answer: D) Vertices are the points or nodes where edges or connections meet. 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