Seminiferous tubule is found in: ‘

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(a) In testes 1. (e) 2. (d) 3.(a) 4. (c) 5.(b). (b) (c) (d) (e) (a). 3. Answer in One Word/Sentence: How many sperms will be produced from 24 spermatocytes during spermatogenesis ? Where does fertilization takes place in mammals ? (SSCE1993, CBSE 95) Write the name of various phases of embryogenesis. How many polar bodies are formed during the formation of one gamete? Write die name of three layers of gastrula. How many polar bodies are formed during the formation of ovum during oogenesis? (CBSE 1993) Name the substance formed in sperms and which helps the sperms to enter into ovum. (AISB1991) How many sperms and ova are formed from 100 primary spermatocytes and primary oocyte respectively ? (SSCE 1992) Name the part of sperm secreting enzyme for the entrance of sperms into ovum. (SSCE 1992) Name the organ where corpus luteum is formed. (SSCE 1995) Write the duration of gestation period in human cases. How many autosomes are found in human sperm ? Where is corpus luteum formed ? Name the developmental stage of man in which it is transplanted of uterus wall.(SSCE 1993) Name the process of release of ovum from graafian follicle. 96, Fallopian tube Cleavage Blastula and Gastrula Infant, 4.3 Ectoderm, mesoderm and endodenn 2 Spermlysin 400,100 Head Ovary 240 days 22 Ovary Blastula Ovulation. Human Reproduction Very Short Answer Type Questions

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