What does the removeClass() method do in jQuery?

• A) Switches between adding and removing classes automatically
• B) Removes one or more specified classes from selected elements
• C) Applies animation effects to elements
• D) Adds one or more classes to selected elements

Queue functionality means:

• A) No order
• B) All animations run together
• C) Animation stops
• D) Animations run one by one

What must be passed to an event method to define its action?

• A) String
• B) Number
• C) Boolean
• D) Function

XML files are:

• A) Binary files
• B) Video files
• C) Encrypted files only
• D) Text files that are readable and editable

What does parentsUntil("div") do?

• A) Returns parent elements up to (but not including) the <div> element
• B) Returns sibling elements
• C) Returns all child elements
• D) Returns all parent elements

Which statement about XML element names is correct?

• A) XML element names are case-sensitive
• B) XML element names can contain spaces
• C) XML is case-insensitive
• D) XML element names can start with numbers

What does traversing mean in jQuery?

• A) Adding new elements to the DOM
• B) Changing the style of elements
• C) Moving through and finding elements in the DOM tree
• D) Deleting elements from the page

What does the width() method return in jQuery?

• A) Only margin value
• B) Width including margin
• C) Width including padding
• D) Content width only (excluding padding, border, and margin)

What does it mean that XML is “extensible”?

• A) XML cannot be modified
• B) New elements can be added without affecting existing structure
• C) XML has fixed predefined tags
• D) XML only works with HTML

What does the append() method do?

• A) Removes content
• B) Inserts content at the end of selected elements
• C) Replaces content
• D) Inserts content at the beginning

How are methods executed in a jQuery chain?

• A) In random order
• B) One after another in sequence
• C) In reverse order
• D) All at the same time

Which of the following is NOT a DOM relationship?

• A) Attribute
• B) Child
• C) Parent
• D) Sibling

In $.post(), which parameter is optional?

• A) Both Data and Callback
• B) Callback
• C) Data
• D) URL

The val() method is mainly used for:

• A) Working with images
• B) Adding animations
• C) Styling elements
• D) Getting or setting values of form fields

A callback function executes:

• A) Randomly
• B) Before effect
• C) During effect
• D) After effect completes

Which of the following is the default character encoding for XML documents?

• A) None of the given options
• B) UTF-8
• C) UTF-16
• D) UTF-32

Math.floor() does:

• A) Divide number
• B) Round up
• C) Random number
• D) Round down

What does “self-describing syntax” in XML mean?

• A) XML needs external explanation
• B) XML cannot be read by humans
• C) XML explains itself using tags
• D) XML is only for programming

Which method selects siblings between elements in a range?

• A) nextUntil()
• B) next()
• C) prev()
• D) siblings()

In hide(speed, callback), callback runs:

• A) After hide completes
• B) During hide
• C) Never
• D) Before hide