Theme selection and installation in Wordpress - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ component_behavior

intermediate

What happens after activating a new WordPress theme?

You activate a new theme in WordPress. What is the immediate visible effect on your website?

A The website layout and design change to match the new theme's style.

B All your posts and pages are deleted automatically.

C The WordPress dashboard is reset to default settings.

D Your website goes offline until you configure the theme.

💡 Hint

Think about what a theme controls in WordPress.

Activating a new theme changes the look and layout of your website immediately. Your content remains intact.

📝 Syntax

intermediate

Which file must a WordPress theme contain to be recognized?

A WordPress theme folder must have a specific file with a header comment for WordPress to recognize it. Which file is it?

A index.html

B style.css

C functions.php

D theme.json

💡 Hint

This file contains theme information and styles.

The style.css file must include a theme header comment. WordPress uses it to identify the theme.

🔧 Debug

advanced

Why does this uploaded theme not appear in the WordPress dashboard?

You uploaded a theme zip file via the dashboard but it does not show up in the theme list. What is the most likely cause?

A The theme uses PHP code that is incompatible with your WordPress version.

B The theme folder is missing the index.php file.

C The theme's style.css header comment is missing or malformed.

D The zip file contains an extra parent folder, so WordPress can't find the theme files.

💡 Hint

Check the folder structure inside the zip file.

If the zip contains a parent folder wrapping the theme folder, WordPress won't detect the theme properly.

❓ state_output

advanced

What is the effect of switching themes on widget settings?

You switch from Theme A to Theme B in WordPress. What happens to your widgets in sidebars?

A Widgets cause the site to crash until reassigned.

B All widgets are deleted permanently.

C Widgets assigned to Theme A's sidebars become inactive but are saved for later use.

D Widgets automatically move to Theme B's sidebars with no changes.

💡 Hint

Think about how WordPress handles widget areas per theme.

Widgets assigned to sidebars of the old theme become inactive but are saved in the database. You can reassign them later.

🧠 Conceptual

expert

Why is a child theme recommended for customizing a WordPress theme?

You want to customize a WordPress theme without losing changes after updates. Why should you use a child theme?

A A child theme inherits the parent theme and keeps custom changes separate, so updates don't overwrite them.

B A child theme runs faster because it loads fewer files than the parent theme.

C A child theme disables the parent theme to prevent conflicts.

D A child theme automatically updates the parent theme with your changes.

💡 Hint

Think about how WordPress updates themes and preserves custom code.

Child themes allow you to add custom code safely. The parent theme can update without erasing your changes.

Practice

1. What is the main purpose of selecting a theme in WordPress?

easy

A. To control the website's design and layout

B. To add new users to the website

C. To increase website loading speed

D. To backup the website data

Solution

1. Step 1: Understand what a theme does

   A WordPress theme controls how the website looks and feels, including design and layout.

2. Step 2: Compare options

   Options A, B, and C relate to backup, users, and speed, which are not the theme's main role.

3. Final Answer:

   To control the website's design and layout -> Option A

4. Quick Check:

   Theme = Design/Layout control [OK]

Hint: Themes change look and layout, not users or backups [OK]

Common Mistakes:

• Confusing theme with plugins
• Thinking themes manage users
• Believing themes handle backups

2. Which of the following is the correct way to install a theme from the WordPress Dashboard?

easy

A. Go to Plugins > Add New, then upload the theme file

B. Go to Appearance > Themes > Add New, then click Install

C. Go to Settings > General, then select the theme

D. Go to Users > Add New, then choose the theme

Solution

1. Step 1: Locate theme installation in Dashboard

   The correct path is Appearance > Themes > Add New to install themes.

2. Step 2: Eliminate incorrect options

   Plugins section is for plugins, Settings is for site settings, Users is for managing users, not themes.

3. Final Answer:

   Go to Appearance > Themes > Add New, then click Install -> Option B

4. Quick Check:

   Theme install = Appearance > Themes > Add New [OK]

Hint: Themes are under Appearance, not Plugins or Users [OK]

Common Mistakes:

• Trying to install themes via Plugins menu
• Looking for themes in Settings
• Confusing user management with theme installation

3. After installing a new theme, what happens if you do NOT activate it?

medium

A. The website will continue using the old active theme

B. The website will use the new theme automatically

C. The website will show a blank page

D. The website will delete the old theme

Solution

1. Step 1: Understand theme activation

   Installing a theme adds it to the site but does not apply it until activated.

2. Step 2: Identify website behavior without activation

   Without activation, the old active theme remains in use; the new theme is inactive.

3. Final Answer:

   The website will continue using the old active theme -> Option A

4. Quick Check:

   Install ≠ Activate; old theme stays active [OK]

Hint: Install adds theme, activate applies it [OK]

Common Mistakes:

• Assuming install activates theme automatically
• Thinking website shows blank without activation
• Believing old theme is deleted on install

4. You uploaded a theme zip file via Appearance > Themes > Add New > Upload Theme, but the upload failed. What is a common cause?

medium

A. You installed the theme from Plugins menu instead

B. You forgot to activate the theme after upload

C. The zip file is corrupted or not a valid theme

D. Your WordPress version is too new

Solution

1. Step 1: Check upload failure reasons

   Upload fails often because the zip file is corrupted or not a proper theme package.

2. Step 2: Eliminate unrelated options

   Activation happens after upload, Plugins menu is wrong place, WordPress version too new rarely causes upload failure.

3. Final Answer:

   The zip file is corrupted or not a valid theme -> Option C

4. Quick Check:

   Upload fail = bad zip/theme file [OK]

Hint: Check zip file integrity if upload fails [OK]

Common Mistakes:

• Confusing upload failure with activation step
• Trying to upload themes via Plugins menu
• Blaming WordPress version without checking file

5. You want to switch your site to a new theme but keep your current homepage content unchanged. What should you do?

hard

A. Activate the new theme without installing it first

B. Delete the old theme before activating the new one

C. Change the homepage content before switching themes

D. Install and activate the new theme, then check homepage settings to keep content

Solution

1. Step 1: Install and activate the new theme properly

   You must first install the new theme, then activate it to apply changes.

2. Step 2: Verify homepage settings after activation

   Some themes change homepage layout; check settings to keep your content intact.

3. Final Answer:

   Install and activate the new theme, then check homepage settings to keep content -> Option D

4. Quick Check:

   Install + activate + check settings = safe switch [OK]

Hint: Activate new theme, then adjust homepage if needed [OK]

Common Mistakes:

• Deleting old theme before activating new one
• Trying to activate theme without installing
• Changing content before switching themes