Again you have no proof of how long went by....
But we dont see him unconcious either. If Apoo was gone for a few chaps then Id say yh....Apoo was knocked unconcious cause he isnt doing anything. But he literally came back in the next chapter and nothing hints at him being unconcious.
Its literally impossible to prove Zoro's sneak attack made him go unconcious. Stay pressed.
Actually there is and I have provided it you just refuse to acknowledge it. You think every single thing in the manga has to literally be written and/or drawn out for you. It doesn't.
Apoo's life depended on the alliance not getting the antidote. Yet, you are implying that Apoo was conscious the entire time. Instead of using his range music attack to stop Zoro from handing over the antidot or to destroy it he decided to do nothing because he wanted Queen to kill him.
Oda show Apoo get hit and knocked to the ground and not immediately get back up. Oda had Queen acknowledge Apoo's defeat and he was going to kill him like you already told him he would if he lost. During that entire time we don't see Apoo conscious.
The spoiler provider even told us that Apoo is wounded like you wouldn't know that. Clearly he told us that to let us know that Zoro's attack has a major effect on Apoo.