Section-II V. Answer any Three of the following questions. 33) What is contraception? Briefly explain two barrier methods and two surgical methods to prevent conception. 34) Describe the structure of anatropous ovule with a labelled diagram. 35) Draw a neat labelled diagram of human male reproductive system. 36) Discuss the development of 7-celled 8-nucleated mature embryo sac. 37) a) Differentiate spermiation and spermiogenesis. b) Define the following i) Parturition ii) Colostrum iii) Implantation