Tachyzoites are seen in:
High-Yield Explanation
Ans. is 'a' i.e., Toxoplasma(Ref: Harrison, 18th/e, p. 1722; 17th/e, p. 1305)* Bradyzoites (released from tissue cyst) and sporozoites (released from oocyst) enter the small - intestinal epithelium and transform into rapidly dividing tachyzoites.