Best Perl Test - 80+ MCQs: Perl test: Evaluate Your Perl Programming Skills with Perl Questions and Answers

1. What is the purpose of the 'else' statement in Perl?

To execute code when a condition is true

To handle errors

To execute code when a condition is false

To break out of a loop

2. Which operator is used for conditional execution in Perl?

? :

if else

switch case

&& ||

3. What does CGI stand for in Perl?

Common Gateway Interface

Computer Graphics Interface

Code Generation and Integration

Critical Gateway Instruction

4. What does the 'chomp' function do in Perl?

Concatenates strings

Removes trailing newline from a string

Counts characters in a string

Reverses a string

5. Which function is used to pause execution in Perl?

sleep()

pause()

wait()

halt()

6. What is the purpose of the 'do' statement in Perl?

To define a loop

To execute an external command

To include and run an external file

To create a subroutine

7. Which operator is used for exponentiation in Perl?

8. In Perl, how do you create a constant variable?

const()

define()

constant()

readonly()

9. In Perl, how do you check if a key exists in a hash?

key_exists()

exists() function

has_key()

defined()

10. How do you comment a single line in Perl?

# SingleLineComment

// SingleLineComment

-- SingleLineComment

/* SingleLineComment */

Perl MCQ Test 5