प्रसूति विज्ञान में, वह तकनीक जिसमें प्लेसेंटा के अलग होने के संकेतों के बाद प्लेसेंटा को बाहर निकालने के लिए नियंत्रित कॉर्ड ट्रैक्शन (controlled cord traction) लगाया जाता है, कहलाती है:

Arrange the following cell layers/structures around the female gamete, from outer to inner side: A. Zona pellucida B. Perivitelline space C. Corona radiata D. Plasma membrane of ovum Choose the correct answer from the options given below:

Spermatogonia undergo a series of cell divisions to produce sperms. Consider the following statements: A. Spermatogonia always undergo meiotic cell division. B. Primary spermatocytes divide mitotically to produce secondary spermatocytes. C. Secondary spermatocytes, through their second meiotic division, produce haploid spermatids. D. Spermatids produce spermatozoa through mitosis. E. Spermatids transform into spermatozoa by spermiogenesis. Choose the correct answer from the options given below: