Control Structures MCQs

Question 1

In C, which control structure is used to iterate through a collection of items, such as an array or a list?

Accepted Answer

for loop

Answer

if statement

Answer

switch case

Answer

while loop

Question 2

What is the purpose of the 'if' control structure in C?

Accepted Answer

Decision making

Answer

Looping

Answer

Function declaration

Answer

Error handling

Question 3

What is the result of the expression 10 % 3 in C?

Accepted Answer

1

Answer

0

Answer

3

Answer

2

Question 4

In C, what happens if the 'break' statement is used outside of a loop or switch statement?

Accepted Answer

It generates a compilation error

Answer

It has no effect

Answer

It exits the program

Answer

It generates a runtime error

Question 5

Which control structure in C is used to perform a repetitive task while a condition is true?

Accepted Answer

while loop

Answer

if statement

Answer

for loop

Answer

switch case

Question 6

What is the result of the expression `7 || 0` in C?

Accepted Answer

TRUE

Answer

FALSE

Answer

1

Answer

0

Question 7

In C, what is the purpose of the 'goto' statement?

Accepted Answer

Transfer control to a labeled statement

Answer

Break out of a loop

Answer

Terminate the program

Answer

Execute a function

Question 8

What does the 'default' case in a 'switch' statement do in C?

Accepted Answer

Executes when no other case matches

Answer

Causes a compilation error

Answer

Skips the 'switch' statement

Answer

Exits the program

Question 9

How can you create an infinite loop in C?

Accepted Answer

Use a 'while' loop with a true condition

Answer

Use a 'for' loop

Answer

Use a 'do-while' loop

Answer

Use a 'switch' statement