Control Structures In Ruby — Part 1 MCQs with Explanations

if is the correct answer to “What is the keyword used to define a conditional statement in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

do...while is the correct answer to “Which of the following loops in Ruby is executed at least once”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Executes code if condition is false is the correct answer to “In Ruby, what does the unless keyword do”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

To handle multiple conditions with one expression is the correct answer to “What is the purpose of the case statement in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

each is the correct answer to “Which loop in Ruby allows you to iterate over a collection of elements”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Yes is the correct answer to “What is the result of the expression 5 > 3 ? "Yes" : "No" in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Exits the loop is the correct answer to “What does the break keyword do in a loop in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

>< is the correct answer to “Which of the following is NOT a comparison operator in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Repeats the current iteration of the loop is the correct answer to “What is the purpose of the redo keyword in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Hello is the correct answer to “What is the output of the following code snippet? x = 10 unless x > 15 puts "Hello" end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Continues to the next iteration of the loop is the correct answer to “What does the `next` keyword do in a loop in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Add an else-if condition to an if statement is the correct answer to “In Ruby, what does the `elsif` keyword allow you to do”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

%% is the correct answer to “Which of the following is NOT a logical operator in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

12345 is the correct answer to “What is the output of the following code snippet? x = 5 while x > 0 puts x x -= 1 end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Restarts the loop from the beginning is the correct answer to “What does the `retry` keyword do in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

while is the correct answer to “Which loop in Ruby allows you to execute code while a condition is true”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Executes code if condition is false is the correct answer to “What does the unless keyword do in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Continues to the next iteration of the loop is the correct answer to “What is the purpose of the next keyword in a loop in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

1 2 3 4 5 is the correct answer to “What is the output of the following code snippet? x = 1 loop do puts x x += 1 break if x > 5 end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

To define a block of code that executes when a condition is met is the correct answer to “In Ruby, what is the purpose of the `case` statement when combined with `when` clauses”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

.. or ... is the correct answer to “Which of the following is used to create a range in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

1 2 3 4 5 is the correct answer to “What is the output of the following code snippet? for i in 1..5 print i, " " end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Exits only the inner loop is the correct answer to “In Ruby, what does the `break` keyword do when used within nested loops”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

continue is the correct answer to “Which of the following is NOT a valid way to exit a loop in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Executes code if condition is false is the correct answer to “In Ruby, what does the `until` keyword do”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Restarts the loop from the beginning is the correct answer to “What does the `retry` keyword do when used within a loop in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

All of the above is the correct answer to “In Ruby, what does the `case` statement allow you to compare against”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

dowhile is the correct answer to “In Ruby, which of the following is NOT a valid loop construct”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

To create an infinite loop is the correct answer to “What is the purpose of the loop keyword in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

loop is the correct answer to “Which of the following is used to define a block of code that executes repeatedly until a condition is met in Ruby”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Repeats the current iteration of the loop is the correct answer to “In Ruby, what is the purpose of the `redo` keyword”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

break is the correct answer to “Which keyword in Ruby is used to exit a loop prematurely”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

case is the correct answer to “In Ruby, which of the following is used to handle multiple conditions with one expression”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Specifies the code block to execute if no other conditions are met is the correct answer to “In Ruby, what does the `else` keyword do”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

Specifies the code block to execute if a condition is true is the correct answer to “In Ruby, what does the `elsif` keyword do”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

True is the correct answer to “The following syntax is correct for if conditional statement. if condition code end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

All of the mentioned is the correct answer to “If expression. The expression can be of which type”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

All of the mentioned is the correct answer to “What error does the if condition gives if not terminated with end statement”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

One is less than two is the correct answer to “What is the output of the following? if 1<2 print "one is less than two" end”. This question is standard in competitive examination syllabi for Control Structures In Ruby.

11 is greater is the correct answer to “What is the output of the code? if 11<2 print "Eleven is less than two" end print "11 is greater"”. This question is standard in competitive examination syllabi for Control Structures In Ruby.