CBSE Class 12 Informatics Practices · Data Handling Using Pandas – I · Chapter 1
🐼 Data Handling Using Pandas – I
CBSE Class 12 · Informatics Practices · Chapter 1
Download artefacts
Six free PDFs + an editable PPTX cover every angle of this chapter — read the deck, drill the MCQs, sit the full board paper, then check against the marking scheme.
Full lecture deck with motifs, misconception red-boxes, and Hindi glossary. Read this first.
Download PDF →15 PYQ-tagged MCQs with year + set + marks + per-Q time budget. Drill under 20-min timer.
Download PDF →Full CBSE-pattern paper with 4 sections. Sit it closed-book before checking the marking scheme.
Download PDF →Model answers + 3 topper-template structures CBSE markers reward with full credit.
Download PDF →1-page exam-day card: formulas, top PYQ patterns, 90-minute revision flow.
Download PDF →1-page plain-language parent guide: what's being learned + questions to ask your child.
Download PDF →Top PYQ patterns · CBSE 2017–2024 aggregate
| 95% | Create a Series from dict + predict output — Show import · show creation · predict output with aligned columns · name index source. | 3 MARKS |
| 90% | Create DataFrame + .head()/.tail() — Two Series → dict → DataFrame · head() defaults to 5 · output with column names + index. | 3 MARKS |
| 85% | Add/delete/rename column — Add: df['new'] = expr · Delete: df.drop(col, axis=1) · Rename: df.rename(columns={...}) · note inplace=False default. | 4 MARKS |
| 80% | Boolean indexing — Inner expr produces Boolean Series · df[bool_series] returns matching rows · no loop needed. | 3 MARKS |
| 75% | CSV read/write — read_csv() · head() · boolean filter · to_csv(index=False) · always show import. | 5 MARKS |