MCQs Of Class 4: Background Properties
1. Which property is used to set the background color of an element in CSS?
A) background-image
B) background-color
C) background-repeat
D) background-size
Answer: B) background-color
Explanation: The background-color property is used to set a solid color as the background for an element.
2. How do you specify a background image in CSS?
A) background-image: url('image.jpg');
B) background: url('image.jpg');
C) image-background: url('image.jpg');
D) background-url: image.jpg;
Answer: A) background-image: url('image.jpg');
Explanation: The background-image property is used to set an image as the background of an element.
3. Which of the following properties controls whether a background image should repeat?
A) background-size
B) background-position
C) background-repeat
D) background-color
Answer: C) background-repeat
Explanation: The background-repeat property determines whether the background image repeats and how it does so.
4. What value of background-repeat prevents the background image from repeating?
A) repeat-x
B) repeat-y
C) no-repeat
D) space
Answer: C) no-repeat
Explanation: The no-repeat value of background-repeat ensures the background image does not repeat.
5. Which of the following is the default value of background-repeat?
A) no-repeat
B) repeat
C) repeat-x
D) space
Answer: B) repeat
Explanation: By default, the background image repeats both horizontally and vertically.
6. Which value of background-size scales the background image to fit the entire container?
A) contain
B) cover
C) 100%
D) auto
Answer: B) cover
Explanation: The background-size: cover; property scales the background image to cover the entire element, even if it has to stretch or cut off part of the image.
7. What is the purpose of background-position in CSS?
A) To specify the size of the background image
B) To set the position of the background image
C) To apply multiple background images
D) To make the background image fixed
Answer: B) To set the position of the background image
Explanation: The background-position property controls the position of the background image within an element.
8. What does the background-size: contain; property do?
A) It stretches the image to cover the entire element
B) It scales the image to fit within the element without distortion
C) It hides the image if it is too large
D) It repeats the image until the element is covered
Answer: B) It scales the image to fit within the element without distortion
Explanation: The background-size: contain; property scales the background image so that it is fully contained within the element, without stretching or distorting it.
9. Which of the following properties allows you to apply multiple background images?
A) background-images
B) multiple-backgrounds
C) background-image
D) background-repeat
Answer: C) background-image
Explanation: The background-image property allows you to set multiple background images by separating them with commas.
10. Which of the following is the correct syntax to set multiple background images?
A) background-image: url('img1.jpg'), url('img2.jpg');
B) background: url('img1.jpg') + url('img2.jpg');
C) multiple-background: url('img1.jpg') url('img2.jpg');
D) background-image: [url('img1.jpg'), url('img2.jpg')];
Answer: A) background-image: url('img1.jpg'), url('img2.jpg');
Explanation: Multiple background images are set using commas, as shown in the correct syntax.
11. Which value of background-attachment makes the background image stay fixed during scrolling?
A) fixed
B) scroll
C) local
D) absolute
Answer: A) fixed
Explanation: The fixed value of background-attachment makes the background image fixed with respect to the viewport, so it does not move when the page is scrolled.
12. What is the default value of background-attachment?
A) fixed
B) scroll
C) local
D) absolute
Answer: B) scroll
Explanation: By default, the background image moves with the content when the page is scrolled (i.e., scroll).
13. How do you set the background color and background image in a single rule?
A) background: color url('image.jpg');
B) background-image: url('image.jpg'); background-color: color;
C) background: url('image.jpg') color;
D) background: url('image.jpg'), color;
Answer: A) background: color url('image.jpg');
Explanation: You can set both background color and image in one rule using the shorthand background property.
14. What is the purpose of the background-origin property in CSS?
A) To set the size of the background image
B) To specify where the background image starts
C) To set the repeat behavior of the background image
D) To change the background color dynamically
Answer: B) To specify where the background image starts
Explanation: The background-origin property determines the area within which the background image is positioned (e.g., padding box, border box, or content box).
15. Which of the following is the correct shorthand for applying multiple background properties?
A) background: color, image, repeat;
B) background: color image repeat size;
C) background: color url('img.jpg') no-repeat;
D) background: image-color-repeat-position;
Answer: C) background: color url('img.jpg') no-repeat;
Explanation: The correct shorthand syntax allows you to set color, image, and repeat behavior all in one property.
16. What is the correct value of background-repeat to repeat the image only horizontally?
A) repeat
B) repeat-x
C) repeat-y
D) no-repeat
Answer: B) repeat-x
Explanation: The repeat-x value repeats the background image only horizontally.
17. Which background property allows you to scale the image to a specific width and height?
A) background-repeat
B) background-position
C) background-size
D) background-color
Answer: C) background-size
Explanation: The background-size property is used to control the size of the background image.
18. How do you center a background image in CSS?
A) background-position: center;
B) background-position: 50% 50%;
C) background-position: middle;
D) All of the above
Answer: D) All of the above
Explanation: All of the mentioned options will center the background image within the element.
19. What is the default value of background-position?
A) 0% 0%
B) center center
C) left top
D) top left
Answer: A) 0% 0%
Explanation: The default value of background-position is 0% 0%, meaning the image starts at the top-left corner of the element.
20. What is the purpose of the background-clip property?
A) To set the size of the background image
B) To specify the area within which the background image is clipped
C) To add a shadow to the background image
D) To repeat the background image
Answer: B) To specify the area within which the background image is clipped
Explanation: The background-clip property controls the clipping area of the background image (e.g., content box, padding box, or border box).
21. Which CSS property is used to make the background image not repeat and cover the entire screen?
A) background-repeat: no-repeat; background-size: cover;
B) background-repeat: repeat; background-size: contain;
C) background-position: center; background-size: cover;
D) background-attachment: fixed; background-size: cover;
Answer: A) background-repeat: no-repeat; background-size: cover;
Explanation: This combination prevents the image from repeating and ensures it covers the entire element.
22. Which value for background-size ensures the background image is scaled to fit within the element?
A) cover
B) auto
C) contain
D) 100%
Answer: C) contain
Explanation: The contain value scales the background image to fit within the element without distorting it.
23. How can you apply a background gradient to a webpage?
A) background-image: gradient(blue, yellow);
B) background-image: linear-gradient(blue, yellow);
C) background-gradient: blue to yellow;
D) background-color: gradient(blue, yellow);
Answer: B) background-image: linear-gradient(blue, yellow);
Explanation: The linear-gradient function is used to create a gradient background, and it is applied with the background-image property.
24. What does the background-size: auto; value do?
A) It scales the image to cover the entire element
B) It keeps the background image in its original size
C) It makes the image fill the container
D) It stretches the image to fill the element
Answer: B) It keeps the background image in its original size
Explanation: The auto value of background-size ensures that the background image retains its original size.
25. Which background property value allows you to set a background image in CSS to cover the whole page?
A) background-size: cover;
B) background-position: center;
C) background-image: url('image.jpg');
D) background-attachment: fixed;
Answer: A) background-size: cover;
Explanation: The cover value for background-size ensures the image scales to fill the entire container or viewport.
The rest of the questions (26-50) can follow the same pattern, focusing on different aspects of background-color, background-image, background-repeat, background-size, background-position, and additional related properties like background-attachment, background-origin, and background-clip.
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Here are 25 more MCQs based on CSS Background Properties with explanations:
26. What does the background-attachment: local; value do?
A) It keeps the background image fixed while scrolling
B) It attaches the background image to the element's content, so it scrolls with the content
C) It makes the background image cover the entire page
D) It prevents the background image from repeating
Answer: B) It attaches the background image to the element's content, so it scrolls with the content
Explanation: The local value makes the background image scroll with the content inside the element.
27. How would you apply a background image to an element and ensure that it repeats both horizontally and vertically?
A) background-repeat: repeat;
B) background-repeat: no-repeat;
C) background-repeat: repeat-x;
D) background-repeat: repeat-y;
Answer: A) background-repeat: repeat;
Explanation: The default value of background-repeat is repeat, meaning the image repeats both horizontally and vertically.
28. How can you prevent a background image from stretching or scaling in CSS?
A) background-size: contain;
B) background-size: auto;
C) background-size: cover;
D) background-attachment: fixed;
Answer: B) background-size: auto;
Explanation: The auto value keeps the background image at its original size and prevents it from stretching.
29. Which property value allows the background image to be repeated vertically?
A) repeat-x
B) repeat-y
C) no-repeat
D) space
Answer: B) repeat-y
Explanation: The repeat-y value repeats the background image only vertically.
30. What is the purpose of the background-position property?
A) To specify the size of the background image
B) To set the color of the background
C) To define the position of the background image inside the element
D) To make the background image repeat
Answer: C) To define the position of the background image inside the element
Explanation: The background-position property controls where the background image appears within the element.
31. What will happen if you set background-size: 100% 100%;?
A) The image will be stretched to cover the entire element
B) The image will stretch to 100% width and height
C) The image will remain in its original size
D) The image will scale to fit the content of the element
Answer: B) The image will stretch to 100% width and height
Explanation: The background-size: 100% 100%; property will scale the background image to exactly 100% of the element’s width and height.
32. How can you position a background image at the top-right corner of an element?
A) background-position: top right;
B) background-position: 0% 0%;
C) background-position: right top;
D) background-position: 100% 100%;
Answer: A) background-position: top right;
Explanation: The top right value places the background image at the top-right corner of the element.
33. Which of the following background properties is used to specify the box in which the background is positioned?
A) background-origin
B) background-size
C) background-repeat
D) background-position
Answer: A) background-origin
Explanation: The background-origin property specifies the box model (content box, padding box, or border box) relative to which the background image is positioned.
34. Which value of background-origin allows the background image to be positioned relative to the content box?
A) border-box
B) padding-box
C) content-box
D) view-box
Answer: C) content-box
Explanation: The content-box value positions the background relative to the content area of the element.
35. What value of background-attachment allows the background image to stay fixed in place while the rest of the content scrolls?
A) fixed
B) scroll
C) local
D) absolute
Answer: A) fixed
Explanation: The fixed value ensures the background image stays in place while the content scrolls over it.
36. How do you make sure a background image covers the entire screen, even if it has to stretch or crop?
A) background-size: auto;
B) background-size: contain;
C) background-size: cover;
D) background-repeat: no-repeat;
Answer: C) background-size: cover;
Explanation: The cover value ensures the background image covers the entire screen, even if parts of the image are cropped or stretched.
37. Which of the following is the correct syntax for applying a linear gradient as a background image?
A) background-image: gradient(red, blue);
B) background-image: linear-gradient(red, blue);
C) background: linear-gradient(red, blue);
D) background-image: rgb(255, 0, 0), rgb(0, 0, 255);
Answer: B) background-image: linear-gradient(red, blue);
Explanation: The correct syntax for applying a linear gradient as a background image is background-image: linear-gradient(red, blue);.
38. How do you set a background image that is positioned at the top-center of the page?
A) background-position: top center;
B) background-position: 0% 50%;
C) background-position: center top;
D) All of the above
Answer: D) All of the above
Explanation: All of the listed options position the background image at the top-center of the page.
39. What value of background-repeat repeats the image only horizontally?
A) repeat-x
B) repeat-y
C) no-repeat
D) both-repeat
Answer: A) repeat-x
Explanation: The repeat-x value repeats the background image only horizontally.
40. Which background property allows you to adjust the size of a background image?
A) background-repeat
B) background-color
C) background-size
D) background-origin
Answer: C) background-size
Explanation: The background-size property allows you to control the size of the background image.
41. What does background-position: 50% 50%; do?
A) It positions the background image in the center of the element
B) It positions the background image at the top-left corner
C) It stretches the image to 50% of the element’s width and height
D) It positions the background image at the bottom-right corner
Answer: A) It positions the background image in the center of the element
Explanation: The 50% 50% value positions the background image at the center of the element, both horizontally and vertically.
42. Which CSS property is used to add a fixed background image that does not scroll with the page?
A) background-attachment: scroll;
B) background-attachment: fixed;
C) background-size: cover;
D) background-position: fixed;
Answer: B) background-attachment: fixed;
Explanation: The background-attachment: fixed; value makes the background image fixed with respect to the viewport, preventing it from scrolling.
43. How would you prevent the background image from repeating and stretch it to cover the entire container?
A) background-size: contain; background-repeat: no-repeat;
B) background-size: cover; background-repeat: no-repeat;
C) background-repeat: repeat; background-size: auto;
D) background-attachment: fixed; background-size: cover;
Answer: B) background-size: cover; background-repeat: no-repeat;
Explanation: The combination of background-size: cover; and background-repeat: no-repeat; ensures that the image covers the entire container without repeating.
44. What happens when you set background-size: contain;?
A) The image will be scaled to cover the element completely
B) The image will be scaled to fit the element without cropping
C) The image will be stretched to fill the element
D) The image will remain in its original size
Answer: B) The image will be scaled to fit the element without cropping
Explanation: The contain value scales the background image to fit within the element, ensuring the entire image is visible without distortion or cropping.
45. How do you set a background image with a gradient effect from blue to green?
A) background-image: gradient(blue, green);
B) background-image: linear-gradient(blue, green);
C) background: blue to green;
D) background: linear-gradient(blue, green);
Answer: B) background-image: linear-gradient(blue, green);
Explanation: The correct way to apply a gradient effect is by using linear-gradient in the background-image property.
46. Which of the following CSS properties allows the background image to be positioned relative to the border box?
A) background-origin: border-box;
B) background-origin: padding-box;
C) background-origin: content-box;
D) background-origin: viewport-box;
Answer: A) background-origin: border-box;
Explanation: The border-box value positions the background image relative to the border area of the element.
47. How can you apply multiple background images to a single element?
A) background-image: url('image1.jpg'), url('image2.jpg');
B) background-image: url('image1.jpg') and url('image2.jpg');
C) background-image: image1.jpg image2.jpg;
D) background-image: [image1.jpg, image2.jpg];
Answer: A) background-image: url('image1.jpg'), url('image2.jpg');
Explanation: Multiple background images can be applied by separating the URLs with commas in the background-image property.
48. Which value of background-repeat prevents the background image from repeating?
A) no-repeat
B) repeat
C) space
D) round
Answer: A) no-repeat
Explanation: The no-repeat value prevents the background image from repeating.
49. How would you set a background image to be fixed and also cover the entire page?
A) background-attachment: fixed; background-size: cover;
B) background-attachment: scroll; background-size: auto;
C) background-attachment: local; background-size: contain;
D) background-position: center; background-size: cover;
Answer: A) background-attachment: fixed; background-size: cover;
Explanation: The fixed value makes the background image stay in place while cover ensures it covers the entire page.
50. What value of background-repeat ensures the image repeats horizontally but not vertically?
A) repeat-x
B) repeat-y
C) no-repeat
D) space
Answer: A) repeat-x
Explanation: The repeat-x value makes the background image repeat only horizontally.
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