MCQs Questions on Class 8 Chapter 15 Introduction to graphs
Multiple choice questions (MCQs) are given for the Class 8 Introduction to graphs chapter.
Question. A ________ is a bar graph that shows data in intervals.
A. Bar-graph
B. Pie-chart
C. Histograph
D. Line Graph
Answer: C Histograph
Question. A graph that displays data that changes continuously over periods of time is called:
A. Bar-graph
B. Pie-chart
C. Histograph
D. Line Graph
Answer: D Line Graph
Question. A line graph which is a whole unbroken line is called a:
A. Linear graph
B. Pie-chart
C. Histograph
D. Bar-graph
Answer: A Linear graph
Question. Which point lies only on y-axis?
A. (-2,0)
B. (2,0)
C. (0,-2)
D. (2,-2)
Answer: C (0,-2)
Question. 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
Answer: B Straight-line without passing through origin
Question. The point (4,0) lies on which of the following?
A. x-axis
B. y-axis
C. origin
D. None of the above
Answer: A x-axis
Question. 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.
Answer: D Equidistant from x-axis and y-axis.
Question. The point (-2, 5) is nearer to:
A. x-axis
B. y-axis
C. origin
D. None of the above
Answer: By-axis
Question. The point (-5, 2) is nearer to:
A. x-axis
B. y-axis
C. origin
D. None of the above
Answer: A x-axis
Question. The point (0,0) lies at:
A. x-axis
B. y-axis
C. origin
D. None of the above
Answer: C origin
Observe the diagram, given below and find the correct answer to the following MCQs.
Question. Which team has the highest score?
A. Team 1
B. Team 2
C. Team 3
D. Team 4
Answer: D Team 4
Explanation: Team 4 has the highest score with 34.5%.
Question. Which team has the lowest score?
A. Team 1
B. Team 2
C. Team 3
D. Team 4
Answer: C. Team 3
Explanation: Team 3 has the lowest score with 10.9%.
Question. Which team is coloured green?
A. Team 1
B. Team 2
C. Team 3
D. Team 4
Answer: C. Team 3
Question. What is the average score of all the teams?
A. 22%
B. 25%
C. 27%
D. 29%
Answer: B. 25%
Explanation: Average score = (sum of all scores)/(total number of scores)
Question. . Which team has the second-highest score?
A. Team 1
B. Team 2
C. Team 3
D. Team 4
Answer: A. Team 2
Explanation: Team 2 has the second-highest score, equal to 32.7%.
Below is the data of the number of men and women in a village for different years. Now based on this data answer the following MCQs with the correct option.
Question. How many men were there in the village in 2010?
A. 500
B. 1000
C. 1500
D. 2000
Answer: B. 1000
Explanation: There were 1000 men in the year 2010 in the village.
Question. The population of men and women in 2020 is the same?
A. True
B. False
Answer: A. True
Question. In which year the population of women is the highest?
A. 2005
B. 2010
C. 2015
D. 2020
Answer: D. 2020
Question. When is the population of men, the minimum?
A. 2005
B. 2010
C. 2015
D. 2020
Answer: A. 2005
Explanation: In 2005, there were only 500 men in the village.
Question. In which year population of men is more than women?
A. 2005
B. 2010
C. 2015
D. 2020
Answer: C. 2015