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Q. No.A positive-feedback between which of the two given hormones leads to the rupture of Graafian Follicle?
1. LH, estrogen
2. FSH, estrogen
3. LH, progesterone
4. FSH, progesterone
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
74%
From NCERT
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During oogenesis, a polar body is formed:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | before fertilization. |
| II: | after fertilization. |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: oogenesis |
51%
From NCERT
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Normally, the site of fertilization in humans is:
1. Ampulla of oviduct
2. Isthmus of oviduct
3. Cervical canal
4. Fundus of uterus
1. Ampulla of oviduct
2. Isthmus of oviduct
3. Cervical canal
4. Fundus of uterus
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 |
91%
From NCERT
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Which of the following cell divisions result in the formation of unequal daughter cells?
A. Meiosis I in primary spematocyte
B. Meiosis I in primary oocyte
C. Meiosis II in secondary oocyte
D. Meiosis II in secondary spermatocyte
1. Only A and B
2. Only B and C
3. Only C and D
4. Only A and D
A. Meiosis I in primary spematocyte
B. Meiosis I in primary oocyte
C. Meiosis II in secondary oocyte
D. Meiosis II in secondary spermatocyte
1. Only A and B
2. Only B and C
3. Only C and D
4. Only A and D
Subtopic: oogenesis |
85%
From NCERT
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How many of the given statements regarding the reproductive cycle in the human females are correct?
1. 1
2. 2
3. 3
4. 4
| I: | The first menstruation begins at puberty and is called menarche. |
| II: | In human females, menstruation is repeated at an average interval of about 28/29 days. |
| III: | The cycle of events starting from one menstruation till the next one is called the menstrual cycle. |
| IV: | Cyclic menstruation is an indicator of normal reproductive phase and extends between menarche and menopause. |
2. 2
3. 3
4. 4
Subtopic: Introduction to Menstrual Cycle: 2 | Introduction to Menstrual Cycle |
93%
From NCERT
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For maintenance of the endometrium, the corpus luteum secretes large amounts of:
| 1. | oestrogen | 2. | progesterone |
| 3. | LH | 4. | FSH |
Subtopic: Menstrual Cycle: Luteal Phase |
93%
From NCERT
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Consider the given two statements:
| Assertion (A): | During pregnancy all events of the menstrual cycle stop and there is no menstruation. |
| Reason (R): | In the absence of fertilisation, the corpus luteum degenerates. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Fertilization |
82%
From NCERT
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Consider the given two statements:
| Assertion (A): | Breast-feeding during the initial period of infant growth is recommended by doctors for bringing up a healthy baby. |
| Reason (R): | The milk produced during the initial few days of lactation is called colostrum. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Mammary Gland & Lactation |
65%
From NCERT
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Consider the given two statements:
| Statement I: | It is scientifically correct to say that the sex of the baby is determined by the father and not by the mother. |
| Statement II: | The sex chromosome pattern in the human female is XX and that in the male is XY. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement I is incorrect; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is correct |
Subtopic: Sex Determination in Humans |
95%
From NCERT
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At implantation, which of the following becomes embedded in the endometrium of the uterus leading to pregnancy?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 |
87%
From NCERT
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