JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td></td>
        <td><input type="radio" id="left" name="column" checked="checked" /></td>
        <td><input type="radio" id="right" name="column" /></td>
    </tr>
</table>
<table>
    <tr>
        <td>Q1?</td>
        <td>
            <select class="left">
                <option>1</option>
                <option>2</option>
                <option>3</option>
            </select>
        </td>
        <td>
            <select class="right" disabled="disabled">
                <option>4</option>
                <option>5</option>
                <option>6</option>
            </select>
        </td>
    </tr>
    <tr>
        <td>Q2?</td>
        <td>
            <select class="left">
                <option>1</option>
                <option>2</option>
                <option>3</option>
            </select>
        </td>
        <td>
            <select class="right" disabled="disabled">
                <option>4</option>
                <option>5</option>
                <option>6</option>
            </select>
        </td>
    </tr>
</table>
<table>
    <tr>
        <td>Q3?</td>
        <td>
            <select class="left">
                <option>1</option>
                <option>2</option>
                <option>3</option>
            </select>
        </td>
        <td>
            <select class="right" disabled="disabled">
                <option>4</option>
                <option>5</option>
                <option>6</option>
            </select>
        </td>
    </tr>
    <tr>
        <td>Q4?</td>
        <td>
            <select class="left">
                <option>1</option>
                <option>2</option>
                <option>3</option>
            </select>
        </td>
        <td>
            <select class="right" disabled="disabled">
                <option>4</option>
                <option>5</option>
                <option>6</option>
            </select>
        </td>
    </tr>
</table>

CSS

td
{
    width: 50px;
}

JavaScript

$(document).ready(function(){
    $('input:radio[name=column]').click(function(){
        var column = this.id;
        if(column == 'left')
        {
            $('table select.left').attr('disabled','');
            $('table select.right').attr('disabled','disabled');
        }
        else
        {
            $('table select.left').attr('disabled','disabled');
            $('table select.right').attr('disabled','');
        }
    });
});