Matplot Lib MCQs with answers Page - 9

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Q. Which of the following styles produces plots with a dark background?

  • (A) dark_background
  • (B) night_mode
  • (C) blackout
  • (D) midnight

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Q. Which function is used to create a polar plot?

  • (A) plt.polar()
  • (B) plt.pie(polar=True)
  • (C) plt.plot(polar=True)
  • (D) plt.subplot(projection='polar')

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Q. What does plt.figure(num=2) do?

  • (A) Plots two figures
  • (B) Creates or selects figure window number 2
  • (C) Sets figure number to 2 in title
  • (D) Enables 2D rendering

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Q. What is returned by 'plt.subplots(nrows=2, ncols=2)'?

  • (A) Only one axes object
  • (B) List of 4 figure objects
  • (C) Tuple of figure and 2D array of axes
  • (D) Only a subplot grid object

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Q. Which function can be used to display a line connecting points on a map?

  • (A) plt.mapline()
  • (B) plt.plot()
  • (C) plt.polyline()
  • (D) plt.geo()

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Q. What is 'blit' in Matplotlib animation?

  • (A) A style
  • (B) A backend engine
  • (C) A technique to redraw only portions of the plot
  • (D) A type of animation loop

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Q. How do you display a colorbar in an imshow plot?

  • (A) plt.colorbox()
  • (B) plt.imcolor()
  • (C) plt.colorbar()
  • (D) plt.addlegend()

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Q. What is the output of 'ax.set_xlim(0,10)'?

  • (A) Sets figure width
  • (B) Sets x-axis range from 0 to 10
  • (C) Limits y-axis to 0-10
  • (D) Changes bar width

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Q. What would 'plt.plot(x, y, marker="*")' display?

  • (A) A line with circular markers
  • (B) A histogram with bars marked as *
  • (C) A line with star-shaped markers
  • (D) A pie chart with star points

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Q. What happens when plt.grid(True) is executed?

  • (A) Grid lines are turned on
  • (B) Only the x-axis is labeled
  • (C) Plots are aligned in a grid
  • (D) Subplots are automatically generated

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