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Q. No.The spermatids are transformed into spermatozoa by a process called:
1.
Spermiation
2.
Spermatocytogenesis
3.
Spermiogenesis
4.
Spermatolysis
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
82%
From NCERT
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The first menstruation begins at puberty and is called as:
| 1. | Menarche | 2. | Menopause |
| 3. | Thelarche | 4. | Pubarche |
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
97%
From NCERT
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Oogenesis is initiated:
| 1. | During the fetal life | 2. | Just before birth |
| 3. | Just after birth | 4. | At puberty |
Subtopic: oogenesis |
84%
From NCERT
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The correct sequence of male sex accessory ducts beginning from testis would be:
| 1. | rete testis → vasa efferentia → epididymis → vas deferens |
| 2. | rete testis → vas deferens → vasa efferentia → epididymis |
| 3. | vas deferens → vasa efferentia → epididymis → rete testis |
| 4. | vasa efferentia → vasa deferens → epididymis → rete testis |
Subtopic: Male Reproductive Duct System |
94%
From NCERT
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Which hormone is mainly secreted by the developing follicles during the proliferative phase of the menstrual cycle?
| 1. | LH | 2. | FSH |
| 3. | Progesterone | 4. | Estrogen |
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
61%
From NCERT
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In the absence of fertilization, corpus luteum:
| 1. | Stops secreting progesterone but increases the secretion of estrogen |
| 2. | Stops secreting estrogen but increases the secretion of progesterone |
| 3. | Increases the secretion of both progesterone and estrogen |
| 4. | Degenerates |
Subtopic: Menstrual Cycle: Luteal Phase |
86%
From NCERT
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What happens when a sperm enters the cytoplasm of the secondary oocyte?
1. Release of first polar body
2. Completion of meiosis II
3. Degeneration of polar bodies
4. Dissolution of zona pellucida
Subtopic: Fertilization |
85%
From NCERT
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Corpus luteum is:
1. Ruptured Graafian follicle
2. Released ovum surrounded by cells
3. Developing follicle
4. Enzyme-secreting structure in the ovary
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
90%
From NCERT
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The cessation of menstrual cycles is called as:
| 1. | Menarche | 2. | Thelarche |
| 3. | Pubarche | 4. | Menopause |
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
92%
From NCERT
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LH surge:
| 1. | is a dramatic sudden increase in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
| 2. | is a dramatic sudden decrease in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
| 3. | is a dramatic sudden decrease in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
| 4. | is a dramatic sudden increase in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
Subtopic: Menstrual Cycle: Luteal Phase |
84%
From NCERT
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