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Which of the following does not has 46 chromosomes?
1.
Spermatogonia
2.
Primary Spermatocyte
3.
Spermatozoa
4.
Sertoli cells
| 1. | Spermatogonia | 2. | Primary Spermatocyte |
| 3. | Spermatozoa | 4. | Sertoli cells |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
80%
Level 1: 80%+
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Which of the following has 23 chromosomes?
(1) Secondary spermatocyte
(2) Primary spermatocyte
(3) Spermatogonia
(4) Sertoli cells
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
85%
Level 1: 80%+
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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 |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
84%
Level 1: 80%+
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The level of which hormone gets increased first and stimulate spermatogenesis at puberty?
| 1. | GnRH | 2. | Testosterone |
| 3. | Androgen | 4. | LG |
Subtopic: Seminiferous Tubules & Spermatogenesis |
71%
Level 2: 60%+
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Acrosome is
(1) Part of sperm head
(2) Caps the anterior portion of haploid nucleus
(3) Has enzymes for fertilization
(4) All of these
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
92%
Level 1: 80%+
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Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
50%
Level 3: 35%-60%
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The human sperms are
| 1. | 200-300 million in number |
| 2. | 60% with normal shape and size |
| 3. | t 40% with vigourous motility |
| 4. | More than one option |
Subtopic: Semen and Male Fertility |
Level 3: 35%-60%
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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
Subtopic: Semen and Male Fertility |
53%
Level 3: 35%-60%
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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 |
Subtopic: Male Reproductive Duct System |
64%
Level 2: 60%+
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The functions of male sex accessory ducts and glands are maintained by
| 1. | GnRH | 2. | LH |
| 3. | FSH | 4. | Testicular Hormones |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
64%
Level 2: 60%+
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