Web Application Development MCQs with Answers
Practice important Web Application Development MCQs with answers and explanations.
Multiple Choice Questions
Q61: What will be the output of <?php $num1 = 10; $num2 = 20; if ($num1 > $num2) echo "Num1"; elseif ($num1 < $num2) echo "Num2"; else echo "Equal"; ?>?
- A: Num1
- B: Num2
- C: Equal
- D: Nothing
View Answer
B
Q62: Fill in the blank: In a switch statement, each case block should end with a _______ to prevent falling through to the next case.
- A: continue
- B: break
- C: return
- D: exit
View Answer
B
Q63: What is the purpose of the else block in an if-else statement?
- A: To execute code if the if condition is true
- B: To execute code if the if condition is false
- C: To execute code in all cases
- D: To handle errors
View Answer
B
Q64: Fill in the blank: When using multiple if statements, each condition is checked _______.
- A: simultaneously
- B: sequentially
- C: randomly
- D: only if previous conditions fail
View Answer
B
Q65: What type of loop is used when the number of iterations is known beforehand?
- A: for loop
- B: while loop
- C: do-while loop
- D: foreach loop
View Answer
A
Q66: Fill in the blank: In a for loop, the third part of the loop structure is used for _______.
- A: initialization
- B: condition
- C: increment/decrement
- D: termination
View Answer
C
Q67: What will be the output of the following for loop? <?php for($i = 0; $i < 3; $i++) { echo $i; } ?>
- A: 12
- B: 123
- C: 0, 1, 2
- D: 0 1 2
View Answer
A
Q68: Fill in the blank: The do-while loop guarantees that the loop body will be executed at least _______.
- A: once
- B: twice
- C: three times
- D: four times
View Answer
A
Q69: What will be the output of <?php $i = 5; while ($i > 0) { echo $i-- . " "; } ?>?
- A: 5 4 3 2 1
- B: 4 3 2 1
- C: 5 4 3 2 1 0
- D: 5 4 3 2
View Answer
A
Q70: Fill in the blank: In a for loop, if the condition is false at the beginning, the loop _______.
- A: will terminate immediately
- B: will execute once
- C: will continue executing indefinitely
- D: will result in an error
View Answer
A