An impartial person ___________ others without any __________ .

Hydrogen without any electron is :

Fungus without any mycelium is

Fungus without any mycelium is

Fungus without any mucelium is

Is there any tree without animals ?

In the following questions, out of the four alternatives, choose the one which can be substituted for the given words/sentence. A person who enters without any invitation.

All sponges without any exception are