The correct sequence of mammalian mammary gland ducts beginning from the alveoli would be:
1. | Mammary tubules → Mammary ducts → Mammary ampulla → Lactiferous ducts |
2. | Lactiferous ducts → Mammary ducts → Mammary ampulla → Mammary tubules |
3. | Lactiferous ducts → Mammary ampulla → Mammary ducts → Mammary tubules |
4. | Mammary tubules → Mammary ampulla → Mammary ducts → Lactiferous ducts |
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The spermatids are transformed into spermatozoa by a process called:
1. | Spermiation | 2. | Spermatocytogenesis |
3. | Spermiogenesis | 4. | Spermatolysis |
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The second polar body is formed as a result of:
1. Reductional division in primary oocyte
2. Reductional division in secondary oocyte
3. Equational division in secondary oocyte
4. Equational division in primary oocyte
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Which of the following will carry 46 chromosomes?
1. | Sperms | 2. | Spermatids |
3. | Secondary spermatocytes | 4. | Primary spermatocytes |
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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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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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Between childhood and puberty, the ovaries will have follicles containing:
1. | Primary oocyte | 2. | Secondary oocyte |
3. | Ootid | 4. | Ovum |
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Oogenesis is initiated:
1. | During the fetal life | 2. | Just before birth |
3. | Just after birth | 4. | At puberty |
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Corpus luteum is essential for:
1. Release of ovum
2. Development of follicles
3. Maintenance of endometrium
4. Contraction of the myometrium
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What is released at ovulation?
1. | Primary oocyte arrested at meiosis I |
2. | Primary oocyte arrested at meiosis II |
3. | Secondary oocyte arrested at meiosis I |
4. | Secondary oocyte arrested at meiosis II |
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