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%
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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 |
 85%
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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 |
 84%
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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%
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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%
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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%
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Corpus luteum secretes large amounts of:

1.  LH 2.  FSH
3.  Progesterone 4.  Estrogen

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase | Fetal Development & Parturition |
 89%
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Zona pellucida is a membrane surrounding:

1.Secondary oocyte2.Secondary follicle
3.Corona Radiata4.Trophoblast cells

Subtopic:  oogenesis |
 73%
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What ensures that only one sperm can fertilize the ovum?

1. Corona Radiata 2. Ground substance around ovum
3. Zona pellucida 4. Acrosome
Subtopic:  Fertilization |
 81%
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Fertilization occurs at:

1. Infundibulum of the fallopian tube

2. Ampullary – isthmic junction of the fallopian tube

3. Fundus of the uterus

4. Body of the uterus

Subtopic:  Fertilization: Part 1 | Fertilization: Part 2 |
 95%
From NCERT

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