I have few questions to be asked .. 1) should i put my name and sign on behalf of my son who is 5 years old 2) my son born in the Uk and he has leave to remain , what i should answer in below question K5; Did you have a visa or entry clearance when you came to the UK? yes or no ?? if i answer yes ...

I have few questions to be asked .. 1) should i put my name and sign on behalf of my son who is 5 years old 2) my son born in the Uk and he has leave to remain , what i should answer in below question K5; Did you have a visa or entry clearance when you came to the UK? yes or no ?? if i answer yes ...