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Human Reproduction

Question
CBSEENBI12047413
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During entry into the ovum, acrosome of sperm releases

  • hyaluronidase

  • alkaline phosphorylase

  • acid phosphatase

  • carbonic anhydrase

Solution

A.

hyaluronidase

The acrosome reaction commences when the sperm reach the zona pellucida. During the acrosomal reaction, plasma membrane and outer acrosomal membrane surrounding the acrosome, ruptures. It result in gradual release of acrosomal contents which contain several enzymes including hyaluronidase and acrosin.

Some More Questions From Human Reproduction Chapter

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

Scrotum communicates with abdominal cavity through :

How many spermatozoa or sperms are present in human ejaculate ?

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