1. Heparin is secreted by—
(A) Fibroblasts (B) Mast cells
(C) Plasmocytes (D) Adipocytes
2. Interdependent genes with related functions, form—
(A) A coadapted gene complex (B) An inversion
(C) A fitness set (D) A super mutation
3. Which of the following animal has rhabditiform larva in its life cycle ?
(A) Ascaris (B) Liverfluke
(C) Hydra (D) Taenia
4. Which of the following Mollusc is