Data Visualisation: Class 12 Previous Year Questions

Data Visualisation questions asked in CBSE board exams

Repeated questions first. Open the free app to see each question as it appeared in the paper, with its marking scheme.

1. * 20 P a g e 33.  ,    (data analyst),    (workshop)       (age distribution)        (histogram)              (list)  …
   Board 20264 marksshort answer
2. * 22 P a g e 34. (a) ,       (database designer)      ,   (guests)        Guest    (table)  ,        4 Table : Guest GuestID GuestName R…
   Board 20264 markscase-based
3. line plot Python program Linelot (table)1 Days Temperature Day 1 30 Day 2 32 Day 3 31 Day 4 Day 5 28 TemperatureOver5Days 32.0 31.5 31.0 Temperature 30.5 30.0 29.5 29.0 28.5 28.0 Day 1 Day 2 Day 3 Day 4 Day 5 Days import as plt Statement-l days = ['Day 1'· 'Da…
   Board 20255 markslong answer
4. In Python which function of matplotlib library is used to save a plot ? (A) save() (B) saveplot() (D) (C) export() savefig()
   Board 20251 markMCQ
5. (a) The inventory management software of a grocery shop stores the price of all fruits as follows : Fruits=['Apple'·'Guava'·'Papaya'·'Grapes'·'Mango'] Price=[150,70,50,30,120] Write suitable Python code to generate a Bar Chart on the given data. Also add the c…
   Board 20245 markslong answer
6. Consider the following graph. Write the Python code to plot it. Also add the Title, label for X and Y axis. Use the following data for plotting the graph smarks=[10,40,30,60,55] sname=["Sahil","Deepak","Anil","Ravi","Riti"] Marks secured by students in Term-l …
   Board 20235 markslong answer
7. District wise total number of houses are represented in the following table: Dist VII Dist VIII Dist IX Dist X 40 45 35 44 Draw the following bar graph representing the number of houses in each District(Dist VII, Dist VIII, Dist IX, Dist X). Also, give suitabl…
   CBSE practice 2023-245 markslong answer
8. Wizbiz Corporation is recording the quarterly sales data of its three products through different departments. The data is as follows: Qtr1 Qtr2 Qtr3 Qtr4 Product1 3500 4200 4800 5100 Product2 2800 3100 3600 3900 Product3 1500 1800 2100 2400 The company stores …
   CBSE practice 2023-244 marksshort answer
9. *There is no change in the Question Paper Design and Assessment Pattern for Academic Session 2026-27. P | 5 33 Write a Python program using Matplotlib to plot a Line Graph showing the "Monthly Sales" of a shop with the following data: Months: ['Jan', 'Feb', 'M…
   Sample paper 2026-274 marksshort answer
10. Which Python command can be utilised to create a histogram using the data in a list named 'values' that represents scores of students in an exam. a. plt.hist(values) b. seaborn.histplot(values) c. plt.plot_histogram(values) d. numpy.histogram(values)
    CBSE practice 2023-241 markMCQ
11. While plotting a graph using Matplotlib, which function is used to specify the label for the Y-axis? A. label_y() B. ylabel() C. yaxis_name() D. set y()
    Sample paper 2026-271 markMCQ

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