The next stop in the Sevens Series takes place in Cape Town, South Africa, next weekend.
"In saying that it was a really good lesson for us to build as a team, form a few new combinations with some of the regular players out with injuries, and to see where we need to get better".
New Zealand and England went unbeaten in winning the other two groups.
The Scots, who had beaten New Zealand just once in 44 previous attempts, held them out for most of the first half but three converted tries wrapped up the match.
Watch highlights from the HSBC World Rugby Sevens tournament in Dubai, including the Canadian women's silver medal win.
After surviving a Scottish assault on their line, New Zealand then finished off a scintillating attack that started from behind their own posts and Knewstubb was the last man on the end of a brilliant move.
The two-time winners broke back through Dominique Du Toit, but Ellie Kildunne and Natasha Hunt both went over the whitewash to seal a ideal start to the event in Dubai. Muller du Plessis scored a brace and Rosko Specman scored one and provided two tries assists.
On Friday (Saturday NZT), the Kiwis had comfortably topped their pool after recording wins against Wales (28-7), Spain (28-17) and US (24-17) but their opening day was tarnished by the injuries to Baker and Nareki.
Kenya started their campaign on a losing note, going down to Scotland and France 34-14 and 21-17 respectively.
A top-four finish in the overall standings this season means automatic qualification for the 2020 Olympics.
Canada trailed 21-0 before Pat Kay scored to cut the French lead to 21-5 at the half.
The Eagles opened the Sevens Series in Dubai by earning a spot in the title match against two-time defending World Cup champions New Zealand.
Ngarohi McGarvey-Black's late try sealed the win.