We are getting wordpress default pages via get_pages( $args ) function. And you can use wordpress core query args here. see for more query_args
Demo
Checkbox with default wordpress pages see for more query_args
array('id'=>'unique_option_305','type'=>'checkbox','title'=>'Checkbox for Pages','options'=>'pages',),
array('id'=>'unique_option_306','type'=>'checkbox','title'=>'Checkbox for Pages','options'=>'pages',// query_args is option for all'query_args'=>array('sort_order'=>'ASC','sort_column'=>'post_title', ),),
