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Q. What does the 'alpha' parameter in many Matplotlib plotting functions control?

  • (A) The width of the plot line
  • (B) The color of the plot
  • (C) The transparency of the plot elements
  • (D) The font size of labels

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Q. What is the use of 'plt.subplot()' in Matplotlib?

  • (A) To plot multiple figures
  • (B) To draw subplots in a single figure
  • (C) To add labels to subplots
  • (D) To create animations

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Q. What does 'plt.grid(True)' do?

  • (A) It hides the axis
  • (B) It adds a grid to the plot
  • (C) It enables labels on axes
  • (D) It adds a title to the grid

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Q. Which function is used to create pie charts in Matplotlib?

  • (A) plt.circle()
  • (B) plt.plot()
  • (C) plt.pie()
  • (D) plt.donut()

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Q. How do you specify a figure size in Matplotlib?

  • (A) Using plt.size()
  • (B) Using plt.figure(figsize=(width, height))
  • (C) Using plt.plotsize()
  • (D) Using plt.resize()

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Q. Which of the following methods saves a plot to a file?

  • (A) plt.export()
  • (B) plt.save()
  • (C) plt.savefig()
  • (D) plt.output()

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Q. In Matplotlib, how do you set the limits of the y-axis?

  • (A) plt.set_ylim()
  • (B) plt.ylimit()
  • (C) plt.ylim()
  • (D) plt.axis_limit()

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Q. What does 'plt.clf()' do in Matplotlib?

  • (A) Closes the figure window
  • (B) Clears the current figure
  • (C) Formats the current plot
  • (D) Fixes axis scaling

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Q. How can you plot multiple datasets on the same axes?

  • (A) Call plt.plot() multiple times before plt.show()
  • (B) Use plt.multi()
  • (C) Use plt.doubleplot()
  • (D) Call plt.addplot()

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Q. Which keyword argument in plt.plot() is used to specify color?

  • (A) c
  • (B) clr
  • (C) color
  • (D) linecolor

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