मादा युग्मक (अंडाणु) के चारों ओर निम्नलिखित कोशिकीय परतों/संरचनाओं को बाहर से अंदर की ओर व्यवस्थित कीजिए: A. जोना पेल्यूसिडा (Zona pellucida) B. पेरीविटेलाइन स्पेस (Perivitelline space) C. कोरोना रेडिएटा (Corona radiata) D. अंडाणु की प्लाज्मा झिल्ली (Plasma membrane of ovum) नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:

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:

Match List I with List II related to embryonic development at various stages of pregnancy: List I A. The foetus movement starts and hair appears on the head B. The foetus develops limbs and digits C. The foetus develops external genital organs D. The foetal body is covered with fine hair; eyelids separate and eyelashes are formed List II I. 24 weeks of pregnancy II. 20 weeks of pregnancy III. 8 weeks of pregnancy IV. 12 weeks of pregnancy Choose the correct answer from the options given below: