Serealize()

<form method="post" id="formPesquisa">
        <input type="text" name="teste" id="teste">
        <?php foreach ($perguntas as $lisPergunta) { ?>
            <div class="control-group">
                <label class="control-label well well-small"><strong><?php echo $lisPergunta['nome'] ?></strong></label>
                <div class="controls">
                    <?php
                    $db->setTabela("rh.dbo.ProvaOn_Resposta");
                    $where = "idPergunta = {$lisPergunta['idPergunta']}";
                    $respostas = $db->read($where);
                    foreach ($respostas as $lisResposta) {
                        ?>
                        <label class="radio" style="margin-left: 25px">
                            <input type="radio" name="<?php echo $lisPergunta['idPergunta'] ?>" id="<?php echo $lisResposta['idResposta'] ?>" value="<?php echo $lisPergunta['idPergunta'] ?>" >
                            <?php echo $lisResposta['nome'] ?>
                        </label>                
                    <?php } ?>
                </div>            
            </div>
            <br>
        <?php } ?>
            <div class="control-group">
                <div class="controls">
                    <button type="button" id="btnForm" onclick="fcteste();">Responder</button>
                </div>
            </div>
    </form>

<script>
    function fcteste(){
        var teste = $("#formPesquisa").serializeArray();
        alert(teste);
    }
</script>