Add following code in WP Admin -> Plugins -> Editor -> WPLMS Customizer -> customizer_class.php

1. Add following code in _construct function : 

PHP Code:

 

add_filter('wplms_question_types',array($this,'wplms_question_types'));

 


2. The default question types looks like this :

Code: 
$question_types = apply_filters('wplms_question_types',array(
              array( 'label' =>__('True or False','vibe'),'value'=>'truefalse'),  //0
              array( 'label' =>__('Multiple Choice','vibe'),'value'=>'single'),// 1
              array( 'label' =>__('Multiple Correct','vibe'),'value'=>'multiple'), // 2
              array( 'label' =>__('Sort Answers','vibe'),'value'=>'sort'),// 3
              array( 'label' =>__('Match Answers','vibe'),'value'=>'match'), // 4
              array( 'label' =>__('Fill in the Blank','vibe'),'value'=>'fillblank'), // 5
              array( 'label' =>__('Dropdown Select','vibe'),'value'=>'select'),// 6
              array( 'label' =>__('Small Text','vibe'),'value'=>'smalltext'), // 7
              array( 'label' =>__('Large Text','vibe'),'value'=>'largetext') // 8
            ));

 you need to disable values : 4 , 5,6 

2. Add following function at the end of the class :

PHP Code:

 

function wplms_question_types($question_types){
unset($question_types[4]);
unset($question_types[5]);
unset($question_types[6]);
return $question_types;
}