Chapter Exam

Chapter 6: Conditional Statements in PHP — Online MCQ Test

Q: Which PHP statement is used to execute a block of code only when a condition is true?

Answer: A. if — The if statement checks a condition and runs the code block only when the condition evaluates to true.

Q: What is the correct syntax of an if statement in PHP?

Answer: A. if (condition) { statements; } — In PHP, the condition is placed inside parentheses and the statements are enclosed in curly braces.

Q: What will be the output of the following code? 5) { echo 'Yes'; } ?>

Answer: A. Yes — Since 10 is greater than 5, the condition is true and 'Yes' is displayed.

Q: Choose the correct output: = 90) echo 'A'; elseif ($mark >= 50) echo 'B'; else echo 'C'; ?>

Answer: C. C — 45 is neither 90 or above nor 50 or above, so the else part executes and prints 'C'.

COMPUTER APPLICATIONS · CLASS 12th · Tamil Nadu State Board

Practice Chapter 6: Conditional Statements in PHP with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 12th COMPUTER APPLICATIONS. This chapter covers: This chapter covers logical decision-making in PHP web development. Students examine control structures including if statements if-else conditions if-elseif-else chains and switch.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 6: Conditional Statements in PHP — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 12th COMPUTER APPLICATIONS — Chapter 6: Conditional Statements in PHP, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which PHP statement is used to execute a block of code only when a condition is true?

A. if ✓
B. switch
C. for
D. while

Answer: A. if
The if statement checks a condition and runs the code block only when the condition evaluates to true.

What is the correct syntax of an if statement in PHP?

A. if (condition) { statements; } ✓
B. if condition then { statements; }
C. if { condition } (statements);
D. if [condition] do statements;

Answer: A. if (condition) { statements; }
In PHP, the condition is placed inside parentheses and the statements are enclosed in curly braces.

What will be the output of the following code? <?php $x = 10; if ($x > 5) { echo 'Yes'; } ?>

A. Yes ✓
B. No
C. 10
D. Error

Answer: A. Yes
Since 10 is greater than 5, the condition is true and 'Yes' is displayed.

Choose the correct output: <?php $mark = 45; if ($mark >= 90) echo 'A'; elseif ($mark >= 50) echo 'B'; else echo 'C'; ?>

A. B
B. A
C. C ✓
D. 45

Answer: C. C
45 is neither 90 or above nor 50 or above, so the else part executes and prints 'C'.

Which of the following switch statements is syntactically correct in PHP?

A. switch($day) { case 1: echo 'Mon'; break; default: echo 'Invalid'; } ✓
B. switch $day { case 1 echo 'Mon'; break; }
C. switch($day) [ case 1 => echo 'Mon'; ]
D. switch($day) { case 1; echo 'Mon'; break }

Answer: A. switch($day) { case 1: echo 'Mon'; break; default: echo 'Invalid'; }
PHP switch syntax requires case labels with colons, and statements inside braces, with break commonly used after each case.