Haemocyte with largest nucleus is

Answer: Option C

Haemocyte with the largest nucleus is Prohaemocyte.
The largest haemocyte type had an eccentric nucleus and a large cytoplasmic vacuole.
Prohaemocytes were the smallest cell type, spherical with a centrally located large nucleus.
The plasmatocytes were polymorphic with or without cytoplasmic extensions. The granulocytes were spherical or oval with characteristic basophilic granules in the cytoplasm.