Is the only thing you changed the version of BD? => yes
What specific queries are you referring to here? => up from 69 to 230 according to https://codex.www.ads-software.com/Function_Reference/get_num_queries
What plugin are you using to check this? => none, I have <?php echo get_num_queries(); ?> queries in <?php timer_stop(1); ?> seconds
. in header.php
file
Which page(s) are you checking against? => main page which is listing all business listings (10 per page and paginated)