1. What is the primary data structure in Pandas?

A) Array

B) DataFrame

C) List

D) Dictionary

✅ B) DataFrame (Tabular structure with labeled axes)

2. How do you read a CSV file?

A) pd.read_csv('file.csv')

B) pd.open_csv('file.csv')

C) pd.load_csv('file.csv')

D) pd.csv_reader('file.csv')

✅ A) pd.read_csv('file.csv')

3. What does df.head() display?

A) Last 5 rows

B) First 5 rows

C) Random 5 rows

D) Column names