You should use multiple ad groups when you want to:
Correct Answer
D) Use a different bid modifier for products in the same Shopping campaign
Key takeaways
Bid modifiers are applied at ad group level.
Separate ad groups let different products carry different adjustments.
Priority and country targeting are campaign-level, so extra ad groups do not help.
Why is this the correct answer?
Bid modifiers are set at ad group level, so separating products into different ad groups is what lets you apply different modifiers to them within one campaign. If everything sits in a single ad group it all shares the same adjustments, regardless of how differently the products behave. The other options describe settings that live at campaign level, where extra ad groups would make no difference at all.
Why are the other options wrong?
A) Set a different priority on bidding within the same Shopping campaign
Campaign priority is a campaign-level setting, so it cannot vary between ad groups inside one campaign.
B) Target a different country within the same Shopping campaign
Country targeting is set on the campaign. Separate markets need separate campaigns, not separate ad groups.
C) Link products from a different Merchant Center account
A campaign is linked to one Merchant Center account. Products from another account require their own campaign.
Frequently asked questions about this topic
When should I split into separate campaigns instead?
When the difference is in budget, country, campaign priority or bidding strategy, since all of those are campaign-level settings. Ad groups are the right unit when the products share those settings but need different bid treatment.
Topics in this question
About the Shopping Ads Certification
The Shopping Ads Certification checks that you can run retail campaigns end to end: product data in Merchant Center, linking it to Google Ads, and choosing between Standard Shopping and Performance Max to drive sales and value.
Exam guide and all 407 Google Ads Shopping questions →Related Google Ads Shopping questions
- 1What’s the purpose of products groups in a Shopping campaign?Explained
- 2How would you accurately describe the function of product groups in a Shopping campaign?
- 3Which of these statements about product groups in a Shopping campaign is true?
- 4Carey has used Google Ads for some time, but he recently found he doesn’t have time to manage multiple campaigns effectively. How can Smart Shopping campaigns reduce Carey’s Google Ads management workload?
- 5How are product groups used in Shopping campaigns?Explained
- 6Peter has finished subdividing the product groups in one of his Shopping campaign’s ad groups. What bid should Peter not use for the remaining “everything else in all products” product group?