Component :

<aura:component controller="Matchpick" >
	 <aura:attribute name="options" type="List" default="[

       {'label': 'Yes', 'value': 'Yes'},
       {'label': 'No', 'value': 'No'},
       {'label': 'Sometime', 'value': 'Sometime'},  
       {'label': 'Partially', 'value': 'Partially'}, 
       ]"/>


  <aura:attribute name="optionChoosenRadio" type="String" default=""/>




 <div class = "slds-col slds-size--2-of-2 " style="display: inline;">
 <lightning:radioGroup name="radioGroup"
    label="Does Lightning Component uses Javascript"
    variant="label-inline"
    options="{!v.options }"
    value="{!v.optionChoosenRadio }"
    type="radio"
    required="true"/>
</div>

     <lightning:button label="Submit Ans" 
                                          class="slds-m-top--medium"
                                          variant="brand"
                                          onclick="{!c.handleChange}"/>   

</aura:component>

Controller.js


({
	handleChange : function(component, event, helper) {
		//alert('hello');
		var a = component.get('v.options');
        var b = component.get('v.optionChoosenRadio');
         helper.saveAccount(component, event);

	}
})

Helper.js

({
	 saveAccount : function(component, event) {

        var acc = component.get("v.optionChoosenRadio");

        var action = component.get("c.createAccount");

        action.setParams({

            objacc : acc

        });

        action.setCallback(this,function(response){

            var state = response.getState();

            if(state === "SUCCESS"){

                alert('Record is Created Successfully');

            } else if(state === "ERROR"){

                var errors = action.getError();

                if (errors) {

                    if (errors[0] && errors[0].message) {

                        alert(errors[0].message);

                    }

                }

            }else if (status === "INCOMPLETE") {

                alert('No response from server or client is offline.');

            }

        });      

        $A.enqueueAction(action);

    }
})

Apex class

public class Matchpick {
    
      @AuraEnabled
    public static Map<String, String> getques(){

        Map<String, String> options = new Map<String, String>();

        //get Account Industry Field Describe

        Schema.DescribeFieldResult fieldResult = Questions__c.Does_Lightning_Component_uses_Javascript__c.getDescribe();

        //get Account Industry Picklist Values

        List<Schema.PicklistEntry> pList = fieldResult.getPicklistValues();

        for (Schema.PicklistEntry p: pList) {

            //Put Picklist Value & Label in Map

            options.put(p.getValue(), p.getLabel());

        }

        return options;

    }
    
    
    
 @AuraEnabled //Save Questions Data

    Public static void createAccount(Questions__c objacc)
    {

        try{

            //Insert Questions Record

            insert objacc;

             

        }catch(Exception e){

            //throw exception message

            throw new AuraHandledException(e.getMessage());

        }

        finally {

        }

    }

}

APP

<aura:application access="GLOBAL">
    <c:Radioeg/>
</aura:application>