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प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
उत्तर
- Hyaluronidase is an enzyme.
- The acrosome at the top of the head of the sperm secretes an enzyme (hyaluronidase), which facilitates entry of the sperm into the egg by dissolving the wall of the ovum.
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संबंधित प्रश्न
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
Match the items in column I with those in column II and write down the matching pairs (some may not match)
Column I | Column II | ||
a | Acrosome | 1 | An embryo which looks like human baby |
b | Gestation | 2 | Luteinizing hormone |
c | Menopause | 3 | ovum producing cells |
d | Foetus | 4 | complete stoppage of menstrual cycle |
e | Oogenesis | 5 | spermatozoa |
f | Ovulation | 6 | Complete stoppage of menstrual cycle. |
7 | Time taken by a fertilized egg till the delivery of baby |
Differentiate between:
Impotency and sterility
Differentiate
Amnion and Chorion.
Differentiate
Uterus and Urethra.
Explain the term Fetus
Name the Following
The expulsion of the fetus from the body of the mother.
Complete the following sentences with appropriate word:
The placenta is ________permeable
Does the foetus inside the mother's uterus breathe?
Heart and blood vessels have been formed by the end of five weeks of pregnancy.