Yeast differs from Rhizopus in being

Which of the following is a parasitic fungi on the mustard plant?

Which fungus is a parasite on mustard?

Select the correct statements regarding fungi:
$I$ - They are heterotrophic organisms.
$II$ - They show a great diversity in morphology and habitat.
$III$ - White rust in mustard is caused by parasitic fungi.
$IV$ - Bread mold (Rhizopus) causes the white cottony growth on bread.
$V$ - Yeast is used to make bread and beer.
$VI$ - They prefer to grow in warm and humid places.

Mucor is a

Plant diseases caused by $Ustilago$ fungus are called $SMUTS$ because