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Perl Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Perl. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which of the following data types are preceded by an "at" sign (@) in Perl?
Answer : B
Explanation
Arrays are preceded by an "at" sign (@).
Q 2 - Which of the following is correct about Array in Perl?
A - An array is a variable that stores an ordered list of scalar values.
Answer : D
Explanation
All of the above options are correct.
Q 3 - Which of the following method pops off and returns the last value of the array?
Answer : B
Explanation
pop @ARRAY - Pops off and returns the last value of the array.
Q 4 - Which of the following statement terminates the loop statement and transfers execution to the statement immediately following the loop?
Answer : B
Explanation
last statement − Terminates the loop statement and transfers execution to the statement immediately following the loop.
Q 5 - Which of the following statement repeats a statement or group of statements until a given condition becomes true. It tests the condition before executing the loop body?
Answer : B
Explanation
until loop − Repeats a statement or group of statements until a given condition becomes true. It tests the condition before executing the loop body.
Q 6 - Which of the following operator checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true?
Answer : C
Explanation
<= − Checks if the value of left operand is less than or equal to the value of right operand, if yes then condition becomes true.
Q 7 - Which of the following operator returns true if the left argument is stringwise not equal to the right argument?
Answer : B
Explanation
ne − Returns true if the left argument is stringwise not equal to the right argument.
Q 8 - Which of the following is correct about lexical variables?
A - Lexical variables are private variables created using my operator.
Answer : A
Explanation
Lexical variables are private variables created using my operator.
Q 9 - Which of the following is true about state variables?
B - These variables are defined using the state operator and available starting from Perl 5.9.4.
Answer : C
Explanation
Both of the above options are correct.
Q 10 - Which of the following code create a reference for a hash?
Answer : C
Explanation
You can create a reference for any hash by prefixing it with a backslash as follows - $ref = \%ENV;