When admin scores a question, gets user points

Please check whether the patch below helps.

Essentially you need to set uid in $params passed to userpoints_userpointsapi().

diff --git a/quiz.module b/quiz.module
index 1c06c77..1701018 100644
--- a/quiz.module
+++ b/quiz.module
@@ -2347,6 +2347,7 @@ function quiz_quiz_finished($quiz, $score, $rid) {
       'points' => $score['numeric_score'],
       'description' => t('Attened @title @quiz on @time', $variables),
       'tid' => $selected_tid,
+      'uid' => $taker->uid,
     );
     userpoints_userpointsapi($params);
   }

I commited sivajis code