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प्रश्न
Give Reasons
The acrosome of sperm secretes an enzyme called hyaluronidase at the time of fertilization
उत्तर
This enzyme dissolved the membranous covering of the ovum to facilitate the entry of sperm into the ovum.
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संबंधित प्रश्न
Give the significance of fertilization.
State whether the following statement is true (T) or false (F):
A fertilised egg becomes a seed.
Define the term Gamete.
Give the appropriate term for the following:
Process of fusion of ovum and sperm.
Differentiate
External fertilization and Internal fertilization.
Give Technical Term:
In how many weeks fetus development is completed?
The enzyme involved in penetration of sperm into ovum is ______.
What are the functions of each hormone in the neurohypophyseal hormone?
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 | (i) | An embryo which looks like human baby. |
| (b) | Gestation | (ii) | Luteinizing hormone |
| (c) | Menopause | (iii) | Ovum producing cells. |
| (d) | Foetus | (iv) | Semen |
| (e) | Oogenesis | (v) | Spermatozoa |
| (f) | Ovulation | (vi) | Complete stoppage of menstrual cycle. |
| (vii) | Time taken by a fertilised egg till the delivery of baby. |
Write the specific location of the following:
Acrosome
