12th Biology Question in English

Class 12th Exam Biology VVI Objective Question Human Reproduction Chapter

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) […]