In fungi,sexual reproduction takes place in how many stages?

Which of the following statements is true?

Mycelium in $Albugo$ is

$A$ specimen of fungus is brought by a student for identification. Upon close examination,he discovered that its hyphae are completely septate and it has gills on the underside of the pileus. To which fungal group does it most likely belong?

Fungi inhabiting wood are known as

Ainsworth has placed $Rhizopus$ in which of the following groups?