Who demonstrated the parasitic nature of fungi in plants?

Match column $I$ (containing fungus name) with column $II$ (common name) and choose the correct options.

Column-$I$ (Fungus name)	Column-$II$ (Commonly called)
$A$. Puccinia	$I$. Yeast
$B$. Ustilago	$II$. Mushroom
$C$. Agaricus	$III$. Smut fungus
$D$. Saccharomyces	$IV$. Rust fungus

Which of the following statements is correct?

Which one of the following is a parasitic fungus?

Which of the following class of fungi is being described by the given statements?
$(i)$ They are found in aquatic habitats and on decaying wood in moist and damp places.
$(ii)$ Mycelium is aseptate and coenocytic.
$(iii)$ Asexual reproduction takes place by zoospores (motile) or by aplanospores (non-motile).
$(iv)$ Some common examples are Mucor,Rhizopus and Albugo.

Which of the following fungi does not possess any mycelium?