Ovaries are the primary sex organs in human females because they:
I: | Produce the female gamete. |
II: | Produce the hormone that regulates the development of secondary sexual characters. |
1. | Both I and II | 2. | Only I |
3. | Only II | 4. | None |
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The first menstruation begins at puberty and is called as:
1. | Menarche | 2. | Menopause |
3. | Thelarche | 4. | Pubarche |
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The menstrual cycle starts with the:
1. | Follicular phase | 2. | Menstrual phase |
3. | Ovulatory phase | 4. | Secretory phase |
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1. | Menstrual → Follicular → Secretory → Ovulatory |
2. | Menstrual → Follicular → Ovulatory → Secretory |
3. | Ovulatory → Follicular → Secretory → Menstrual |
4. | Menstrual → Secretory → Follicular → Ovulatory |
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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 |
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The peak levels of LH and FSH are observed on day _____ of a typical menstrual cycle.
1. | 6 | 2. | 14 |
3. | 22 | 4. | 28 |
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Assertion (A): | In a female with 29 days menstrual cycle, ovulation occurs on day fourteen. |
Reason (R): | The preovulatory phase of the menstrual cycle is of a fixed duration of 14 days. |
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. |
Corpus luteum is:
1. Ruptured Graafian follicle
2. Released ovum surrounded by cells
3. Developing follicle
4. Enzyme-secreting structure in the ovary
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Corpus luteum secretes large amounts of:
1. | LH | 2. | FSH |
3. | Progesterone | 4. | Estrogen |
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Statement I: | A is also called as secretory phase and is the phase of the menstrual cycle where the follicle matures into a Graafian follicle. |
Statement II: | B is the luteal phase and is the phase when the uterine endometrium regenerates through proliferation. |
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