Código PHP:
<form id="form1" name="form1" method="post" action="">
<p>
<label>
<input type="radio" name="tu prima la calva" value="1" id="tuprimalacalva_0" />
Ninguno</label><br />
<label>
<input type="radio" name="tu prima la calva" value="2" id="tuprimalacalva_1" />
Chocolate</label><br />
<label>
<input type="radio" name="tu prima la calva" value="3" id="tuprimalacalva_2" />
Vainilla</label>
<br />
<label>
<input type="radio" name="tu prima la calva" value="4" id="tuprimalacalva_3" />
Fresa</label>
<br />
<label>
<input type="radio" name="tu prima la calva" value="5" id="tuprimalacalva_4" />
Melocoton</label>
<br />
<label>
<input type="radio" name="tu prima la calva" value="6" id="tuprimalacalva_5" />
Piña</label>
<br />
<label>
<input type="radio" name="tu prima la calva" value="7" id="tuprimalacalva_6" />
Yogurt</label><br />
</p>
</form>