no.
yes because both are rodents
They travel by scampering like other mice and rats.
There is no such thing as dwarf monkeys.
no.
Ceres is a dwarf planet. There is no such thing as a gas dwarf planet - Yet!
There is. They usually weight between 300-400 grams.
No. They are not.
No. A dwarf star is a small star. A white dwarf is just one particular type of dwarf star, but there are other types.
No. They are entirely different species.
there is no such thing but if you mean a roborovski hamster yes its a dwarf
It all depends on the breed of hamster. Usually rats tend to be bigger when fully grown than a fully grown hamster. And if its a dwarf hamster the rat is definitely bigger.
yes, dwarf hamsters can live in cages with tunnels in fact it is best to have one with tunnels so they can crawl around :)