Scotland Districts Under-21 racked up seven tries in total in a convincing 49-14 victory.
Glasgow back-up squad members, Fergus Thomson and Colin Shaw of Hawks, also played their part in the young Scots' victory.
A second match between a Scotland under-21 team and the New Zealand tourists will be played at Gala on Monday night.
The New Zealand Youth team are coached by former Glasgow coach, Kiwi Searancke.