In biotechnological studies,the alga that is exploited as a rich source of protein is

Single Cell Protein $(SCP)$ is obtained through which process?

How much protein does a $250 \ kg$ cow produce per day (in $g$)?

Statement $P$: Heterotrophic mushrooms are cultivated globally.
Statement $Q$: $A$ cow weighing $250 \, kg$ produces $200 \, g$ of protein per day.

Which of the following is an algal source of $SCP$?

Given below are two statements with respect to single cell protein.
Statement $I$: Single cell protein refers to the crude,or refined edible protein,extracted from pure microbial cultures or from dead or dried cell biomass.
Statement $II$: $SCP$ can be readily used as fodder for achieving fattening of calves,pigs,in breeding fish and in poultry.
In the light of the above statements,choose the correct answer from the options given below.