Class 12th Exam Biology VVI Objective Question Human Reproduction Chapter 3. HUMAN REPRODUCTION 1. The sperm penetrates through zona pellucida with the help of: (A) Secretion from acrosome (B) Hydrolytic enzymes (C) Neck with centroids (D) Both (A) and (B) ANSWER :- (A) 2. Blood and circulatory systems originate from which germinal layer ? (A) Ectoderm (B) […]
