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Q. No.What is the importance of the LH surge in the menstrual cycle?
1.
It initiates menstruation.
2.
It triggers ovulation and the formation of the corpus luteum.
3.
It decreases the production of estrogen.
4.
It increases the thickness of the endometrial lining.
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
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Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | The presence of zona pellucida is crucial for fertilization. |
| Reason (R): | Zona pellucida contains specific receptors that facilitate sperm binding, essential for triggering the acrosomal reaction. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Fertilization |
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The hormone, essential for maintaining pregnancy secreted in large amounts by the corpus luteum is:
1. Estrogen
2. Progesterone
3. LH
4. FSH
1. Estrogen
2. Progesterone
3. LH
4. FSH
Subtopic: Menstrual Cycle: Luteal Phase |
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The myometrium and endometrium are:
| 1. | Layers of the ovary responsible for egg production |
| 2. | Layers of the uterus, where the myometrium is muscular and the endometrium is mucosal |
| 3. | Glands that produce reproductive hormones |
| 4. | Structures in the fallopian tubes facilitating egg transport |
Subtopic: Female Reproductive System-1 |
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The structure that forms from the remnants of the follicle following ovulation is called as:
1. Corpus luteum
2. Graafian follicle
3. Zona pellucida
4. Antrum
1. Corpus luteum
2. Graafian follicle
3. Zona pellucida
4. Antrum
Subtopic: Menstrual Cycle |
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Refer to the diagram below which illustrates a cross-sectional view of the human male reproductive system. Identify the structure labelled 'X' and select the correct function associated with it.
| 1. | X is the Seminal Vesicle; its function is to produce spermatozoa. |
| 2. | X is the Prostate Gland; its function is to secrete prostate fluid, one of the components of semen. |
| 3. | X is the Epididymis; its function is the storage and maturation of sperm. |
| 4. | X is the Bulbourethral Gland; its function is to produce pre-ejaculate fluid that lubricates the urethra. |
Subtopic: Male Reproductive Duct System |
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Blastocyst is primarily characterized by presence of:
| 1. | An outer layer of trophoblast cells and an inner cell mass. |
| 2. | A single layer of undifferentiated stem cells. |
| 3. | A fluid-filled cavity and a single layer of cells. |
| 4. | Multiple layers of germ cells. |
Subtopic: Embryonic Development till Gastrulation |
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What is the role of Luteinizing Hormone (LH) in males?
| 1. | It controls the production of FSH. |
| 2. | It promotes spermatogenesis directly in the seminiferous tubules. |
| 3. | It inhibits the production of androgens. |
| 4. | It stimulates the Leydig cells to produce testosterone. |
Subtopic: Seminiferous Tubules & Spermatogenesis |
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Which of the following is not a component of Fallopian tube?
1. Isthmus
2. Infundibulum
3. Ampulla
4. Uterine fundus
1. Isthmus
2. Infundibulum
3. Ampulla
4. Uterine fundus
Subtopic: Female Reproductive System-1 |
91%
Level 1: 80%+
NEET - 2024
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Which of the following is a function of progesterone in the human body?
| 1. | It stimulates ovulation. |
| 2. | It prepares the endometrium for implantation and supports early pregnancy. |
| 3. | It promotes the development of secondary sexual characteristics. |
| 4. | It triggers menstruation. |
Subtopic: Menstrual Cycle: Luteal Phase |
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