Data Handling using Pandas - I — Important Questions
CBSE · Class 12 · Informatics Practices
100 important questions from Data Handling using Pandas - I for CBSE Class 12 Informatics Practices, with answers. Written for the board exams 2027.
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Important Questions from Data Handling using Pandas - I
What is the default index range in a Series when no index is given?
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0 through N-1
Without an explicit index, Series default indices range from 0 through N-1.
Which formula creates a Series from a list with default index?
Show answer
pd.Series([10,20,30])
The given formula creates a Series from a list and uses the default 0..N-1 index.
What happens when a Series is created from a dictionary?
Show answer
Dictionary keys become the index.
Series created from a dictionary use dictionary keys as the index.
Which statement about the read_csv header parameter is correct?
Show answer
header=0 is the default.
The header parameter specifies which row's values are used as column names, and header=0 is the default.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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