Try to install Trustwallet in your phone and choose bsc network then you'll know that ethereum and bsc have the same wallet address and all the tokens you have in that wallet address will be shown when you use bsc explorer or manually add the token in metamask just like doing the same thing but in ethereum network. If what you wanted to know if the token in your wallet in ethereum network can be check on bsc network then the answer is not.  About bsc and ethereum having the same wallet address is explained by zasad@. You can import the wallet in ethereum to bsc too but the tokens in ethereum will not be present in bsc.