Explore topic-wise MCQs in Python.

This section includes 176 Mcqs, each offering curated multiple-choice questions to sharpen your Python knowledge and support exam preparation. Choose a topic below to get started.

101.

MD5 stands for

A. Multi Dimension Algorithm
B. Message Digest Algorithm
C. Message Division Algorithm
D. None of them
Answer» C. Message Division Algorithm
Discussion
102.

Which function is used for escaping quotation marks, double quotation marks, backslashes and Nulls from a string?

A. remove ( )
B. removeslash( )
C. addslashes ( )
D. None of them
Answer» D. None of them
Discussion
103.

Which function returns resulting string as its value?

A. printf ( ) function
B. scanf ( ) function
C. sprintf ( ) function
D. None of them
Answer» D. None of them
Discussion
104.

A sequence of characters that is treated as a unit is called

A. Arrays
B. Functions
C. Methods
D. Strings
Answer» E.
Discussion
105.

PHP removes ereg functions, and prefer using

A. preg functions
B. energ functions
C. leven functions
D. None of them
Answer» B. energ functions
Discussion
106.

MD5 algorithm is used to produce a

A. Digest of a string
B. Signature of a string
C. Name of string
D. Both a and b
Answer» E.
Discussion
107.

Function Strcmp ( ) is equals to

A. Strposs ( )
B. Strrpos ( )
C. Stricmp ( )
D. Strcasecmp
Answer» E.
Discussion
108.

Strtupper ( ) function returns

A. All uppercase string
B. All lowercase string
C. First letter capitalized
D. None of them
Answer» B. All lowercase string
Discussion
109.

For creating pages that contain HTML forms and have multiline strings we can use

A. Assignment concatenation syntax
B. Heredoc syntax
C. Concatenation syntax
D. None of them
Answer» C. Concatenation syntax
Discussion
110.

Concatenating assignment operator is denoted by

A.
B. .
C. ⋅=
D. ⋅=⋅
Answer» D. ⋅=⋅
Discussion
111.

Which string type is interpreted as a number of sequences and automatically interpolates variable values?

A. Single quoted string
B. Doubly quoted string
C. Numbered string
D. Both a and b
Answer» C. Numbered string
Discussion
112.

Which PHP function treats a string as collection of characters rather than a sequence?

A. strspn ( )
B. strcspn ( )
C. count_chars
D. All of them
Answer» E.
Discussion
113.

Why a special character is used in beginning and end of string in Perl-compatible patterns?

A. Because it indicates the beginning and end of the pattern
B. Because it indicates that it?s a integer string
C. Because it indicates the literal
D. It indicates nothing
Answer» B. Because it indicates that it?s a integer string
Discussion
114.

Chop ( ), ltrim ( ) and trim functions are used for

A. Slicing
B. Dicing
C. Cleaning up untidy strings
D. Concatenation of strings
Answer» D. Concatenation of strings
Discussion
115.

Htmlspecialchars ( ) function takes a string as argument and returns string in which form, that has a special meaning in HTML

A. Replaces a string with four characters
B. Replaces a string in integers
C. Replaces a string with quotation marks
D. None of them
Answer» B. Replaces a string in integers
Discussion
116.

Which function is used to implement MD5 in PHP?

A. md ( )
B. digest ( )
C. md5 ( )
D. digest_algo ( )
Answer» D. digest_algo ( )
Discussion
117.

When two strings are exactly equivalent Strcmp ( ) returns what?

A. Returns a string
B. Returns 0
C. Returns 1
D. Returns nothing
Answer» C. Returns 1
Discussion
118.

In substring selection which function modifies a string?

A. Strchar ( )
B. Slicing
C. Dicing
D. None of them
Answer» D. None of them
Discussion
119.

Regex defines a

A. Style
B. Function
C. Regular expression
D. Class
Answer» D. Class
Discussion
120.

Selecting a substring by numerical position is property of

A. Strstr ( )
B. Substr ( )
C. str ( )
D. Strsub ( )
Answer» E.
Discussion
121.

Dot ". " operator in strings are called as

A. Assignment operator
B. Concatenation operator
C. Concatenating assignment operator
D. Literal operator
Answer» C. Concatenating assignment operator
Discussion
122.

What does trailing means in replacement of functions?

A. Replacing string from right hand side
B. Replacing string from left hand side
C. Replacing string from middle
D. None of them
Answer» B. Replacing string from left hand side
Discussion
123.

Literal string specified in PHP code by

A. Single quotation mark
B. Double Quotation mark
C. Single dollar sign
D. Both a and b
Answer» E.
Discussion
124.

Which function is used for capitalizing first letter of a string?

A. strtlower ( )
B. strtupper ( )
C. ucfirst ( )
D. lfirst ( )
Answer» D. lfirst ( )
Discussion
125.

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?i) folii) fooliii) fooooliv) fooooool

A. Only i)
B. ii) and iii)
C. i), iii) and iv)
D. i) and iv)
Answer» C. i), iii) and iv)
Discussion
126.

Say we have two compare two strings which of the following function/functions can you use?i) strcmp()ii) strcasecmp()iii) strspn()iv) strcspn()

A. i) and ii)
B. iii) and iv)
C. None of the mentioned
D. All of the mentioned
Answer» E.
Discussion
127.

For tokenizing a string which PHP function is used?

A. ok ( )
B. strtok ( )
C. str ( )
D. start ( )
Answer» C. str ( )
Discussion
128.

A function that takes a filename as argument and returns a MD5 of that file

A. md_file( )
B. md5 ( )
C. md5_file ( )
D. digest_file ( )
Answer» D. digest_file ( )
Discussion
129.

In addition to single and double quoted strings PHP offers another way to specify a string which is called as

A. heredoc
B. Concatenation
C. Literals
D. None of them
Answer» B. Concatenation
Discussion
130.

Returns a string arguments with trilling blank space removed, is a behavior of

A. starts ( ) function
B. chop ( ) function
C. rtrim ( ) function
D. Both b and c
Answer» E.
Discussion
131.

PHP offers printf ( ) and

A. printh ( ) function
B. sprintf ( ) function
C. scanf ( ) function
D. All of them
Answer» C. scanf ( ) function
Discussion
132.

Ltrim ( ) returns its string argument with

A. Leading blankspace removed
B. Trailing blankspace removed
C. Numerical values
D. None of them
Answer» B. Trailing blankspace removed
Discussion
133.

Returns a string argument with both leading and trailing whitespace removed, is a behavior of

A. chop ( )
B. rtrim ( )
C. trim ( )
D. ltrim ( )
Answer» D. ltrim ( )
Discussion
134.

Which function is used for replacing whole string with an alternate string?

A. Strstr ( )
B. Strrpos ( )
C. Str_replace ( )
D. Replace ( )
Answer» D. Replace ( )
Discussion
135.

Stristr ( ) is identical to Strstr ( ) except that

A. The comparison is case independent
B. The comparison start from middle
C. The comparison is case sensitive
D. None of them
Answer» B. The comparison start from middle
Discussion
136.

Which three functions has intimate relationship with each other?

A. char ( ), str ( ), pos ( )
B. strchar ( ), strcpp ( ), char ( )
C. substr ( ), strstr ( ), strpos ( )
D. None of them
Answer» D. None of them
Discussion
137.

Ereg ( ) function is no more included in

A. PHP1.0
B. PHP2
C. PHP5
D. PHP6
Answer» E.
Discussion
138.

Which function takes a single string and returns its length as an integer?

A. Strpos ( )
B. Strcmp ( )
C. strstr ( )
D. Strlen ( )
Answer» E.
Discussion
139.

PHP has long supported two regular expression implementations known as _______ and _______i) Perlii) PEARiii) Pearliv) POSIX

A. i) and ii)
B. ii) and iv)
C. i) and iv)
D. ii) and iii)
Answer» D. ii) and iii)
Discussion
140.

Inverse function of explode ( ) is

A. strtok ( )
B. str ( )
C. impose ( )
D. implode ( )
Answer» E.
Discussion
141.

Which two functions are used for replacing a string with another string?

A. Str_replace ( )
B. Substr_replace ( )
C. Replace ( )
D. Both a and b
Answer» E.
Discussion
142.

Strstr ( ) function selects a substring by its

A. Numerical value
B. Content
C. Position
D. None of them
Answer» C. Position
Discussion
143.

Operator that is used for heredoc syntax

A. < >
B. ??
C. [[ ]]
D. <<<
Answer» E.
Discussion
144.

In Perl-compatible patterns any pattern that is followed by ? this means that

A. Match this pattern 1 or more times
B. Match this pattern exactly 1 time
C. Match this pattern 0 times
D. None of them
Answer» C. Match this pattern 0 times
Discussion
145.

Which function start its search from backward rather than from beginning?

A. Strcmp ( )
B. Strstr ( )
C. Strpos ( )
D. All of them
Answer» D. All of them
Discussion
146.

How many operators PHP offer for strings?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion
147.

For finding out one string is equal to another string which function we can use?

A. strpid ( )
B. strpos ( )
C. str ( )
D. All of them
Answer» C. str ( )
Discussion
148.

All these characters in a string \, ?, *, \, &Hat, $, ] are escaped by

A. remove ( ) function
B. removechar ( )
C. addslashes ( )
D. quotemeta ( )
Answer» E.
Discussion
149.

All these functions are preg_quote ( ), preg_grep ( ), preg_split ( ), preg_match_all ( ) example of

A. POSIX style regex
B. Competent style regex
C. Perl compatible style regex
D. None of them
Answer» D. None of them
Discussion
150.

In substring selection what's mean of Slicing?

A. Concatenating
B. Choosing a portion of a string
C. Modifying a string
D. Comparing a string
Answer» C. Modifying a string
Discussion