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Embryology Fertilization - Questions and Answers

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6. During activation, which parts of the sperm enter through the fertilization cone
A. Entire sperm
B. Nucleus only
C. Middle piece only
D. Both nucleus and middle piece
Explanation:
7. The lytic enzymes called hyaluronidase is found in the
A. Amphioxus egg
B. Frog’s egg
C. Reptilian egg
D. Mammalian egg
Explanation:
8. The membrane which is helpful in avoiding the entry of man poly sperm is
A. Vitelline membrane
B. Perivitelline membrane
C. Fertilization membrane
D. Plasma membrane
Explanation:
9. External fertilization is common in
A. Terrestrial animals
B. Aquatic animals
C. Oviparous animals
D. Viviparous animals
Explanation:
10. Sperm produces lytic substance called
A. Hyaloplasm
B. Hyaluronidase
C. Hyaluronic acid
D. Hyalonema
Explanation:
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