Which of the following is false regarding nutrition in $Amoeba$?

Which of the following is a ciliate?

Microscopic unicellular animals that lack tissues and organs are:

Nosema belongs to which phylum?

Protists obtain their food in which of the following ways?

Read the following statements and answer the question given below:
$(i)$ They are saprophytic protists.
$(ii)$ Under suitable conditions,they form an aggregation (called plasmodium) which may grow and spread over several feet.
$(iii)$ During unfavourable conditions,the plasmodium differentiates and forms fruiting bodies bearing spores at their tips.
Which of the following class of protists is being described by the above statements?