Q. No.
Which of the following sequences is correct?
(1) Lobes- Mammary Duct- Ampulla- Lactiferous Duct
(2) Alveoli- tubules-Lactiferous Duct-Mammary Ducts
(3) Mammary Ducts- Lactiferous Ducts- Ampulla- Nipple
(4) Mammary lobes- lactiferous Duct- Mammary duct- Nipple
Which of the following does not has 46 chromosomes?
(1) Spermatogonia
(2) Primary Spermatocyte
(3) Spermatozoa
(4) Sertoli cells
Which of the following has 23 chromosomes?
(1) Secondary spermatocyte
(2) Primary spermatocyte
(3) Spermatogonia
(4) Sertoli cells
The spermatids are transformed into spermatozoa by a process is called
(1) Spermiogenesis
(2) Spermiation
(3) Spermatogenesis
(4) Spermatosis
Spermiation is
(1) Release of sperms from seminiferous tubules
(2) Release of secondary spermatocyte from seminiferous tubules
(3) Release of spermatids from seminiferous tubules
(4) Release of spermatogenic from seminiferous tubules
The level of which hormone gets increased first and stimulate spermatogenesis at puberty?
(1) GnRH
(2) Testosterone
(3) Androgen
(4) LG
Acrosome is
(1) Part of sperm head
(2) Caps the anterior portion of haploid nucleus
(3) Has enzymes for fertilization
(4) All of these
The human sperms are
1. 200-300 million in number
2. Exact 60% with normal shape and size
3. Exact 40% with vigourous motility
4. More than one option
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