What are CSS media queries used for?
A). Adding animations to elements
B). Applying styles based on the device characteristics
C). Creating image sliders
D). Defining CSS variables
Which CSS unit is commonly used in fluid grid layouts?
A). Pixels
B). Points
C). Percentages
D). Inches
Why is it important to use $(document).ready(function() { ... }); in jQuery?
A). To ensure the DOM is fully loaded before executing scripts
B). To increase script execution speed
C). To prevent scripts from running
D). To hide content until the user interacts with the page
What does the following CSS media query do: @media (orientation: portrait) { ... }?
A). Applies styles when the device is in landscape mode
B). Applies styles when the device is in portrait mode
C). Applies styles regardless of orientation
D). Applies styles only to desktop devices
How does the img { max-width: 100%; } CSS rule help in responsive design?
A). Forces images to a fixed size
B). Ensures images are never larger than their container
C). Prevents images from being displayed
D). Sets a minimum width for all images
How can jQuery be used to toggle a navigation menu on small screens?
A). By using .hide() and .show() methods
B). By using .toggleClass() method
C). By using .slideToggle() method
D). By using .fadeIn() method
What does the max-width property do in responsive design?
A). Sets a fixed width
B). Allows an element to shrink below a specified width
C). Ensures an element does not exceed a specified width
D). Hides an element if it exceeds a certain width
Which jQuery method is used to change the source of an image dynamically?
A). .attr()
B). .html()
C). .css()
D). .val()
Why is it important to adapt layouts based on device orientation?
A). To increase server load
B). To provide an optimal viewing experience in both portrait and landscape modes
C). To restrict content visibility
D). To increase website complexity
How can touch events be handled in jQuery for responsive design?
A). By using .hover() method
B). By using .click() method
C). By using .swipe() method
D). By using .resize() method