\documentclass[a4paper]{article}

\usepackage[separateanswersheet]{automultiplechoice}

\begin{document}

\setdefaultgroupmode{withoutreplacement}

\newcounter{AMCquestionsave}

\def\AMCformQuestion#1{\ifnum#1<0\else\textbf{Question #1:}\fi}

\newcommand\questionconfidence[3]{%
  % arguments: id, question, answers bloc
  \begin{question}{#1[C]}
    \QuestionIndicative%
    #2
    \def\AMCanswer##1##2{}%
    \begin{choicescustom}[o]
      \wrongchoice[l]{low }\scoring{0,setglobal.SCOREOK=1,setglobal.SCOREWRONG=0}
      \wrongchoice[m]{medium }\scoring{1,setglobal.SCOREOK=2,setglobal.SCOREWRONG=-2}
      \correctchoice[h]{high }\scoring{2,setglobal.SCOREOK=3,setglobal.SCOREWRONG=-6}
    \end{choicescustom}
  \end{question}
  {\AMCquestionNumberfalse%
    \def\AMCbeginQuestion##1##2{}%
    \def\AMCbeforeQuestion{}%
    \setcounter{AMCquestionsave}{\value{AMCquestionaff}}%
    \setcounter{AMCquestionaff}{-\value{AMCquestionaff}}%
    \begin{question}{#1[Q]}%
      \scoring{b=SCOREOK,m=SCOREWRONG,MAX=3}%
      #3
    \end{question}%
    \setcounter{AMCquestionaff}{\value{AMCquestionsave}}%
  }%
}

\element{qs}{
  \questionconfidence{Marignan}{
    In which year did the battle of Marignan take place?
  }{
    \begin{choiceshoriz}
      \wrongchoice{1313}
      \correctchoice{1515}
      \wrongchoice{1915}
      \wrongchoice{1919}
      \wrongchoice{1519}
    \end{choiceshoriz}
  }
}
\element{qs}{
  \questionconfidence{Cameroun}{
    Which is the capital city of Cameroon?
  }{
    \begin{choices}
      \correctchoice{Yaound\'e}
      \wrongchoice{Douala}
      \wrongchoice{Abou-Dabi}
    \end{choices}
    
  }
}

\onecopy{10}{

  \begin{center}
    \LARGE\bf Title
  \end{center}

  \insertgroup{qs}

  \clearpage
  \AMCformBegin

  \begin{center}
    \LARGE\bf Form
  \end{center}

  \AMCform
  

}

\end{document}
