Matplot Lib MCQs with answers Page - 10

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Q. What is the purpose of `plt.figure(dpi=150)`?

  • (A) Sets the size of the figure in inches
  • (B) Changes the style of the figure
  • (C) Sets the resolution (dots per inch) of the figure
  • (D) Changes the color scheme

A

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Q. Which method creates animated plots in Matplotlib?

  • (A) plt.animate()
  • (B) plt.loop()
  • (C) matplotlib.animation.FuncAnimation
  • (D) plt.motion()

A

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Q. Which parameter in `plt.legend()` controls its location?

  • (A) pos
  • (B) loc
  • (C) where
  • (D) place

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Q. How do you link a Pandas DataFrame with a Matplotlib line plot?

  • (A) plt.plot(df)
  • (B) df.plot()
  • (C) plt.line(df)
  • (D) df.show()

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Q. Which function is used to create a horizontal line at y=0?

  • (A) plt.line(y=0)
  • (B) plt.axline()
  • (C) plt.axhline(0)
  • (D) plt.plotline(y=0)

A

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Q. What is the result of setting `sharey=True` in `plt.subplots()`?

  • (A) Same y-axis scale across all subplots
  • (B) Y-axis is removed
  • (C) Y-axis shows grid lines
  • (D) Independent y-axis for each plot

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Q. Which keyword changes the color of plot lines in `plt.plot()`?

  • (A) color
  • (B) cmap
  • (C) shade
  • (D) theme

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Q. What does `plt.fill_between()` visually represent?

  • (A) A filled bar chart
  • (B) A heatmap
  • (C) Area between two curves or curve and axis
  • (D) A stacked histogram

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Q. Which option is valid for `plt.legend(loc='best')`?

  • (A) Always places it in upper-left
  • (B) Disables legend
  • (C) Automatically chooses the best location
  • (D) Applies no location logic

A

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Q. What does `plt.style.available` return?

  • (A) Available chart types
  • (B) List of installed Matplotlib styles
  • (C) Current color scheme
  • (D) Active backend

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