CBSE Class 12 Informatics Practices Plotting Data using Matplotlib MCQs Set A

Question. Which of the following function is not used to customize the plot?
(a) grid()
(b) xlabel()
(c) title()
(d) chartformat()

Answer : D

Question. What is Data Visualization
(a) It is the graphical representation of information and data
(b) It is the numerical representation of information and data
(c) It is the character representation of information and data
(d) None of the above

Answer : A

Question. _______ function can plot bar graph.
(a) barplot( )
(b) plotbar( )
(c) bar( )
(d) None of these

Answer : C

Question. To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents? Python –m pip install –U pip
(a) downloading pip to the latest version
(b) upgrading pip to the latest version
(c) removing pip
(d) upgrading matplotlib to the latest version

Answer : B

Question. Which of the following function of the pyplot module creates a figure?
(a) plot()
(b) savefig()
(c) figure()
(d) fig()

Answer : A

Question. The plot method on Series and DataFrame is just a simple wrapper around ____________
(a) gplt.plot()
(b) plt.plot()
(c) plt.plotgraph()
(d) none of the mentioned

Answer : B

Question. The pyplot module is part of
(a) NumPy Library
(b) matplotlib library
(c) pandas library
(d) CSV library

Answer : B

Question. Ms. Rama is confused about the window where the outputs of pyplot functions are plotte(d) Select the an appropriate answer to clear her confusion.
(a) Plot
(b) Figure
(c) Window
(d) All of these

Answer : B

Question. The frequencies are represented on ____________ in histogram.
(a) data labels
(b) Y-axis
(c) X-axis
(d) Legeneds

Answer : B

Question. Which of the following are the benefits of using the Flask framework?
(a) It has an inbuilt development server.
(b) It has vast third-party extensions.
(c) It is WSGI compliant.
(d) All of the above

Answer : D

Question.The scatter() function:
(a) is a powerful method of creating scatter plots than plot() function
(b) can create line graph
(c) can create bar graph
(d) None of the above

Answer : A

Question. The histogram was introduced by
(a) John Smith
(b) Karl Pearson
(c) Kevin Peterson
(d) John McCarthy

Answer : B

Question. You can create a scatter plot matrix using the __________ method in pandas.tools.plotting.
(a) sca_matrix
(b) scatter_matrix
(c) DataFrame.plot
(d) all of the mentioned

Answer : B

Question. Which argument of bar() lets you set the thickness of bar ?
(a) thick
(b) thickness
(c) width
(d) barwidth

Answer : C

Question. The point which is used for plotting is ______________
(a) Setting the plotting device
(b) Select the printer
(c) Select the paper
(d) Set the page orientation

Answer : A

Question. Which argument of plot( ) function is use to change the marker type?
(a) markertype
(b) marker
(c) markersize
(d) None of these

Answer : B

Question. Which of the following command is the correct command to install matplotlib library?
(a) install matplotlib
(b) install pip matplotlib
(c) pip install matplotlib
(d) matplotlib install pip

Answer : C

Question. ___________ helps in better understanding of results of the analysis.
(a) Data Abstraction
(b) Data Handling
(c) Data Visualization
(d) Data Hiding

Answer : C

Question. Pyplot is a
(a) Module
(b) Library
(c) Function
(d) Collection

Answer : A

Question. <matplotli(b)pyplot>.bar(<x-sequence>,<y-sequence>,width=<float value>)
What is width here?
(a) widths of bar in bar graph
(b) Length of bar in bar graph
(c) space width of bar in bar graph
(d) space length of bar in bar graph

Answer : A