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Q. No.Hormones secreted by the placenta to maintain pregnancy are?
1.
hCG, hPL, progesterone, prolactin
2.
hCG, hPL, estrogens, relaxin, oxytocin
3.
hCG, hPL, progesterone, estrogens
4.
hCG, progesterone, estrogens, glucocorticoids
| 1. | hCG, hPL, progesterone, prolactin |
| 2. | hCG, hPL, estrogens, relaxin, oxytocin |
| 3. | hCG, hPL, progesterone, estrogens |
| 4. | hCG, progesterone, estrogens, glucocorticoids |
Subtopic: Embryonic Development till Gastrulation |
67%
From NCERT
NEET - 2018
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The difference between spermiogenesis and spermiation is?
| 1. | In spermiogenesis, spermatids are formed, while in spermiation, spermatozoa are formed. |
| 2. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatids are formed. |
| 3. | In spermiogenesis, spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation, spermatozoa are formed. |
| 4. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules. |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
76%
From NCERT
NEET - 2018
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Match the items given in Column I with those in Column II and select the correct option given below:
| Column I | Column II | ||
| (a) | Proliferative Phase | (i) | Breakdown of the endometrial lining |
| (b) | Secretory Phase | (ii) | Follicular Phase |
| (c) | Menstruation | (iii) | Luteal Phase |
| Options: | (a) | (b) | (c) |
| 1. | iii | ii | i |
| 2. | i | iii | ii |
| 3. | ii | iii | i |
| 4. | iii | i | ii |
Subtopic: Introduction to Menstrual Cycle: 2 | Menstrual Cycle: Pre Ovulatory Phase | Introduction to Menstrual Cycle |
85%
From NCERT
NEET - 2018
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Which of the following depicts the correct pathway of transport of sperms?
| 1. | Rete testis → Efferent ductules → Epididymis → Vas deferens |
| 2. | Rete testis → Epididymis → Efferent ductules → Vas deferens |
| 3. | Rete testis → Vas deferens → Efferent ductules → Epididymis |
| 4. | Efferent ductules → Rete testis → Vas deferens → Epididymis |
Subtopic: Male Reproductive Duct System |
76%
From NCERT
NEET - 2016
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Match column I with column II and select the correct option using the codes given below:
1. A-2 B-4 C-3 D-1
2. A-3 B-4 C-1 D-2
3. A-3 B-1 C-4 D-2
4. A-1 B-4 C-3 D-2
Subtopic: Embryonic Development till Gastrulation | Female External Genitalia |
88%
NEET - 2016
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Several hormones like hCG, hPL, oestrogen, progesterone are produced by:
| 1. | ovary | 2. | placenta |
| 3. | fallopian tube | 4. | pituitary |
Subtopic: Embryonic Development till Gastrulation |
91%
From NCERT
NEET - 2016
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Identify the correct statement on 'inhibin':
| 1. | Is produced by granulosa cells in the ovary and inhibits the secretion of FSH |
| 2. | Is produced by granulosa cells in the ovary and inhibits the secretion of LH |
| 3. | Is produced by nurse cells in the testes and inhibits the secretion of LH |
| 4. | Inhibits the secretion of LH, FSH and prolactin. |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
52%
NEET - 2016
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Select the incorrect statement:
| 1. | LH and FSH triggers ovulation in ovary |
| 2. | LH and FSH decrease gradually during the follicular phase |
| 3. | LH triggers the secretion of androgens from the Leydig cells. |
| 4. | FSH stimulates the sertoli cells which help in spermiogenesis |
Subtopic: Introduction to Menstrual Cycle: 2 | Menstrual Cycle: Pre Ovulatory Phase | Introduction to Menstrual Cycle |
78%
From NCERT
NEET - 2016
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Fertilisation in humans is practically feasible only if?
| 1. | the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the fallopian tube |
| 2. | the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the cervix |
| 3. | the sperms are transported into the cervix within 48 hrs of the release of the ovum in the uterus |
| 4. | the sperms are transported into the vagina just after the release of the ovum in the fallopian tube |
Subtopic: Fertilization: Part 1 | Fertilization: Part 2 | Fertilization |
88%
From NCERT
NEET - 2016
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Which of the following events is not associated with ovulation in human females?
1. Decrease in Oestradiol
2. Full development of Graafian follicle
3. Release of secondary oocyte
4. LH Surge
Subtopic: Menstrual Cycle: Luteal Phase |
81%
From NCERT
NEET - 2015
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