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An enzyme that helps the sperm to ...

________An enzyme that helps the sperm to enter the ovum during fertilization .

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hyaluronidase
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Name the enzyme that helps the sperm to penetrate the ovum during fertilisation

Assertion : Acrosome is a small cup like pointed structure at the tip of the nucleus of sperm, which helps the sperm to pentrate the ovum during fertilization. Reason : Acrosome contains a proteolytic enzyme, hyaluronidase popularly known as sperm lysin which helps to penetrate the ovum during fertilization.

______enzyme helps to digest protein.

The entry of only one sperm ensured into an ovum during fertilization in humans, Explain.

Enzyme which helps in lengthening the new DNA strand during replication.

Substance of pollen wall which preserves the pollen during fertilization ……….. .

---------------- is an organelle that help the sperm to penetrate the ovum

The formation of the sperm in male and the ovum in female is called gametogensis .

______ enzyme separate the two strands of the DNA during replication.

SURA PUBLICATION-REPRODUCTION IN PLANTS AND ANIMALS-ADDITIONAL QUESTION & ANSWERS ( FILL IN THE BLANKS ) :
  1. Pollination with the help of is called entomophily .

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  2. Approximately 80% of entomophily is carried out by .

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  3. Plasma membrane is surrounded by inner thin in human ovum .

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  4. Corona radiata in the ovum is formed of .

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  5. The fluid -filled space between zone pellucida and the surface ...

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  6. Explain the various phases of the menstrual cycle.

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  7. The menstrual phase in human female is also called phase .

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  8. Production of an offspring by a single parent without the fosio...

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  9. Offspring produced by reproduction are exact copies of their par...

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  10. is the most common method of asexual reproducation in fungi and...

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  11. Each testis is covered with a layer of fibrous tissue called .

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  12. The process of spermatogenesis takes place in the .

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  13. are the primary male sex organs in human .

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  14. are the primary female sex organs in human .

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  15. Fallopian tube , uterus and cervix are the sex organs of femal...

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  16. The large elongated cells that provide nutrition to developing...

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  17. The cells of the male reproductive system secrete testosterone ...

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  18. The formation of the sperm in male and the ovum in female is c...

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  19. The anterior portion of a human sperm has a cap like strucure ...

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  20. An enzyme that helps the sperm to enter the ovum during ferti...

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