Correct Option (a) Lymphocyte
Explanation:
White Blood Corpuscles (WBC) or leucocytes can be divided into two froups on the presence/absence of minute granules in the cytoplasm.
(a) Granulocytes which contain granules e.g. neutrophils, eosinophils and basophils.
(b) Agranulocytes which do not contain granules lymphocytes, monocytes.