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Changes in GnRH pulse frequency in females is controlled by circulating levels of:
1. estrogen and inhibin
2. progesterone only
3. progesterone and inhibin
4. estrogen and progesterone
2. progesterone only
3. progesterone and inhibin
4. estrogen and progesterone
Subtopic: Â Introduction to Menstrual Cycle |
 73%
NEET - 2016
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Capacitation refers to changes in the:
1. sperm before fertilization
2. ovum before fertilization
3. ovum after fertilization
4. sperm after fertilization
2. ovum before fertilization
3. ovum after fertilization
4. sperm after fertilization
Subtopic: Â Fertilization: Part 1 |Â Fertilization |
 68%
NEET - 2015
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Which of these is not an important component of the initiation of parturition in humans?
| 1. | Increase in oestrogen and progesterone ratio |
| 2. | Synthesis of prostaglandins |
| 3. | Release of oxytocin |
| 4. | Release of prolactin |
Subtopic: Â Fetal Development & Parturition |
 57%
NEET - 2015
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The shared terminal duct of the reproductive and urinary system in the human male is:
1. Urethra
2. Ureter
3. Vas deferens
4. Vasa efferentia
Subtopic: Â Male Reproductive System |
 83%
From NCERT
AIPMT - 2014
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Seminal plasma in human males is rich in:
1. fructose and calcium
2. glucose and calcium
3. DNA and testosterone
4. ribose and potassium
Subtopic: Â Semen and Male Fertility |
 95%
From NCERT
AIPMT - 2010
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Identify the incorrect statement regarding female reproductive system?
| 1. | The first meiotic division of a primary oocyte forms two secondary oocytes that remain in this stage unless fertilization occurs. |
| 2. | Uterine tube, fallopian tube, and oviduct are terms used to refer to the same organ. |
| 3. | Menopause marks the termination of both menstruation and ovulation. |
| 4. | An ectopic pregnancy is an implantation of the blastocyst in a site other than the uterus. |
Subtopic: Â Ovary |
 75%
From NCERT
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Seminal plasma in humans is rich in:
| 1. | fructose, calcium and certain enzymes |
| 2. | fructose and calcium but has no enzymes |
| 3. | glucose and certain enzymes but has no calcium |
| 4. | fructose and certain enzymes but poor in calcium |
Subtopic: Â Spermiogenesis/Sperm Structure/Hormonal Regulation |
 94%
From NCERT
AIPMT - 2009
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Which one of the following is the correct match of the events occurring during the menstrual cycle?
| 1. | Ovulation - LH and FSH attain peak level and sharp fall in the secretion of progesterone |
| 2. | Proliferative phase - Rapid regeneration of myometrium and maturation of Graafian follicle |
| 3. | Development of corpus luteum - Secretory phase and increased secretion of progesterone |
| 4. | Menstruation - Breakdown of myometrium and ovum not fertilized |
Subtopic: Â Introduction to Menstrual Cycle: 1 |Â Introduction to Menstrual Cycle: 2 |Â Introduction to Menstrual Cycle |
 63%
From NCERT
AIPMT - 2009
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Which one of the following statements is incorrect about menstruation?
| 1. | During normal menstruation about 40 ml of blood is lost |
| 2. | The menstrual fluid can easily clot |
| 3. | At menopause in the female, there is an especially abrupt increase in gonadotropic hormones |
| 4. | The beginning of the cycle of menstruation is called menarche |
Subtopic: Â Introduction to Menstrual Cycle: 1 |
 70%
AIPMT - 2008
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In human during fertilization a sperm firstly comes in contact with which layer of ovum?
1. zona pellucida
2. vitelline membrane
3. Jelly coat
4. zona radiate
Subtopic: Â Fertilization |
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