Question 1

Which keyword is used to define a subclass in Python?

Options :

A : sub

B : derive

C : base

D : class

Answer: D

Question 2

What is the purpose of the "self" parameter in Python classes?

Options :

A : It is a placeholder for future parameters

B : It represents the current instance of the class

C : It refers to the class itself

D : It is used to call other methods in the class

Answer: B

Question 3

What does the COUNT() function in SQL do?

Options :

A : Calculates the average of a column

B : Counts the number of rows in a table

C : Returns the total sum of a column

D : Counts the number of distinct values in a column

Answer: B

Question 4

What is recursion in Python?

Options :

A : A way to break out of a loop.

B : A built-in method in Python.

C : A way to repeat a block of code a specific number of times.

D : A way to define a recursive function.

Answer: D

Question 5

Which data aggregate function finds the largest value in a dataset?

Options :

A : mean()

B : max()

C : max()

D : min()

Answer: B

Free Python-PCAT Mock Exam – Practice Online Confidently