Which polysaccharides are found in fungi?

Assertion $(A)$: In bread mold $(Rhizopus)$,sexual reproduction does not result in the formation of an embryo.
Reason $(R)$: In sponges $(Porifera)$,the cell wall is made of cellulose.

The disease of potato responsible for the famous famine of Europe was caused by, or late blight of potato is caused by:

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

Give scientific reasons: Whittaker placed fungi in a separate Kingdom Fungi,distinct from the Kingdom Plantae in his classification system.

Give differences between Phycomycetes and Ascomycetes.