Pandas Dataframe MCQs

What is the primary data structure in pandas for handling tabular data?

• DataFrame

• TabularSet

• DataArray

• DataGrid

How can you create a dataframe from a dictionary in pandas?

• pd.createDataFrame(your_dict)

• pd.DataFrame(your_dictionary)

• pd.DataFrame.from_dict(your_dict)

• pd.dict_to_dataframe(your_dict)

In pandas dataframe, which method is used to access a specific column?

• []

• ||

• ()

• {}

What is the function used to filter rows in a pandas dataframe based on a condition?

• select

• filter

• ilocate

• loc or iloc

Which library can be used for data visualization of pandas dataframes?

• Plotly

• NumPy

• Matplotlib

• Seaborn

What is the purpose of the loc[] function in pandas dataframe indexing?

• To perform mathematical operations on the dataframe

• To change the data type of a specific column

• To access a group of rows and columns by labels or a boolean array.

• To filter rows based on their index values

How can you select multiple columns in a pandas dataframe?

• df['column1' 'column2']

• df['column1', 'column2']

• df[['column1', 'column2']]

• df['column1', 'column2']

What is the default index type in pandas dataframe?

• IndexRange

• RangeIndex

• DefaultIndex

• NumericIndex

Which method is used to drop rows with missing values in a pandas dataframe?

• filter_nulls()

• dropna()

• clean_data()

• remove_missing()

What is the function used to reset the index of a pandas dataframe?

• index_reset()

• reindex()

• reset()

• reset_index()