Pandas MCQs with answers Page - 1

Dear candidates you will find MCQ questions of Pandas here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Share your questions by clicking Add Question

📊 Pandas
Q. Which of the following is used to create a Series in pandas?
  • (A) pd.Series()
  • (B) pd.DataFrame()
  • (C) pd.array()
  • (D) pd.list()
💬 Discuss
✅ Correct Answer: (A) pd.Series()

Explanation: A pandas Series is a one-dimensional labeled array, created using pd.Series().

📊 Pandas
Q. Which function is used to read a CSV file into a pandas DataFrame?
  • (A) pd.read_excel()
  • (B) pd.read_csv()
  • (C) pd.read_sql()
  • (D) pd.read_html()
💬 Discuss
✅ Correct Answer: (B) pd.read_csv()

Explanation: The pd.read_csv() function reads a CSV file into a pandas DataFrame.

📊 Pandas
Q. Which method is used to get the first n rows of a DataFrame?
  • (A) head()
  • (B) tail()
  • (C) first()
  • (D) sample()
💬 Discuss
✅ Correct Answer: (A) head()

Explanation: The head(n) method returns the first n rows of a DataFrame.

📊 Pandas
Q. Which method is used to get the last n rows of a DataFrame?
  • (A) head()
  • (B) tail()
  • (C) last()
  • (D) sample()
💬 Discuss
✅ Correct Answer: (B) tail()

Explanation: The tail(n) method returns the last n rows of a DataFrame.

📊 Pandas
Q. What does the pandas function pd.concat() do?
  • (A) Concatenates Series or DataFrames
  • (B) Converts DataFrame to CSV
  • (C) Filters DataFrame rows
  • (D) Renames DataFrame columns
💬 Discuss
✅ Correct Answer: (A) Concatenates Series or DataFrames

Explanation: pd.concat() is used to combine pandas Series or DataFrames along a particular axis.

📊 Pandas
Q. Which of the following is used to select a column in a pandas DataFrame?
  • (A) df.column_name
  • (B) df['column_name']
  • (C) Both A and B
  • (D) df.select_column()
💬 Discuss
✅ Correct Answer: (C) Both A and B

Explanation: You can select a column using dot notation (df.column_name) or dictionary-style indexing (df['column_name']).

📊 Pandas
Q. Which method is used to remove missing values in pandas?
  • (A) dropna()
  • (B) fillna()
  • (C) replace()
  • (D) isna()
💬 Discuss
✅ Correct Answer: (A) dropna()

Explanation: The dropna() method removes rows or columns with missing values from a DataFrame.

📊 Pandas
Q. Which method is used to fill missing values in pandas?
  • (A) dropna()
  • (B) fillna()
  • (C) replace()
  • (D) isna()
💬 Discuss
✅ Correct Answer: (B) fillna()

Explanation: The fillna() method replaces NaN values with a specified value.

📊 Pandas
Q. What is the difference between loc and iloc in pandas?
  • (A) loc selects rows by index labels, iloc by integer position
  • (B) loc selects columns only, iloc selects rows only
  • (C) loc and iloc are identical
  • (D) loc selects integer positions, iloc selects labels
💬 Discuss
✅ Correct Answer: (A) loc selects rows by index labels, iloc by integer position

Explanation: loc uses labels for selection, while iloc uses integer-based indexing.

📊 Pandas
Q. Which method is used to get summary statistics of a DataFrame?
  • (A) describe()
  • (B) info()
  • (C) head()
  • (D) tail()
💬 Discuss
✅ Correct Answer: (A) describe()

Explanation: The describe() method provides summary statistics such as mean, standard deviation, min, and max for numerical columns.

Programming Categories

📱 Download Our App

Learn MCQs on the go with our easy-to-use Android app

Get it on Google Play