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
(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
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 |
Suppose a man has 200 million sperms in an ejaculate and he is fertile. Opt a correct option.
(1) 125 million sperm with normal shape and size
(2) 30 million with vigorous motility
(3) 40 million with vigorous motility
(4) More than one option
Secretions of …….…… seminal vesicle and prostate are essential for maturation and motility of sperm.
| 1. | Epididymis | 2. | Vas deferens |
| 3. | Both | 4. | None of these |
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