amount of biogenetic nutrients present in abiotic environment per unit area at any time is called\tstanding state\tstanding crop\tNPP\tnutrients immobalization

STANDING STATE:- Amount of nutrients like carbon, Nitrogen, Phosphorus, calcium etc. present in the soil at any given time.
STANDING CROP:- Mass of living material present at a trophic level at a particular time.
So the correct option is 1.