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The fertilizing-antifertilizin reaction ...

The fertilizing-antifertilizin reaction that stops the march of a large number of sperms towards the egg.

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Agglutination reaction
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FILL UP THE BLANKS : The sperm donates ___ to the egg during fertilization that takes part in the formation of nuclear spindle.

Fill in the blanks During fertilization, the fertilizins of egg interacts with _____ chemicals of sperm.

Refer to the following figures regarding division bryophyta. (i). 'A' are the androcyte mother cells of the antheridium, which give rise to a large number of biflagellate male gametes. (ii). 'B' is the autheridial chamber and 'C' is multicellular stalk of antheridium. (iii). 'D' and 'E' respectively represents venter canal cells and neck canal cell of the femal sex organ. (iv). 'F' is the egg cell of the archegonium, which usually possesses severatl female gameters. Which of the following combinations of above statements is incorrect?

Which part of the sperm enters into the egg during fertilization ?

Which part of the sperm dissolves the egg membrane during fertilization ?

Characterize each of the following as beiing as being TRUE or FALSE, If the statement is false, change the underlined word or phrase in such a manner as to make the statement true Fertilization occurs when the egg and sperm nuclei fuse and join.

A man having the genotype EEFfGgHH can produce P number of genetically different sperms, and a woman of genotype liLLMmNn can generate Q number of genetically different eggs. Determine the values P and Q. a. P = 4, Q = 4 b. P = 4,Q = 8 c. P = 8, Q = 4 d. P = 8,Q = 8

FILL UP THE BLANKS : The process of acquiring the capacity to fertilize the egg by the sperm is called ____.

ARIHANT PRAKASHAN-HUMAN REPRODUCTION-TOPIC -3- PRACTICE QUESTIONS EXAMS., TEXTBOOK.S & OTHER IMP. QUESTIONS (1 MARK QUESTIONS EXAMS. QUESTIONS)
  1. Following the failure of fertilisation, the corpus luteum regresses in...

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  2. The layers of cuboidal follicular cells surrounding the primary oocyte...

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  3. Stromal cells, surrounding the granulosa cells are known as ...... cel...

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  4. The non-cellular layer surrounding the primary oocyte is known as .......

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  5. Corpus luteum is the main source of oestrogen and .......

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  6. What is the function of amniotic fluid for the foetus?

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  7. What do you mean by endometrium. of the uterus?

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  8. What is the process of entry of spermatozoa into an ovum and the fusio...

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  9. What is the other name of trophoblast cells lying over the embryonic d...

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  10. What is capacitation with reference to sperm?

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  11. The tissue formed by the apposition of both the maternal and foetal ti...

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  12. The fertilizing-antifertilizin reaction that stops the march of a larg...

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  13. The mucopolysaccharide layer surrounding a primary ovarian follicle is...

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  14. The regressing follicles and the act of regression.

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  15. The uterine layer that is sloughed off during menstrual cycle.

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  16. The arteries of the uterine wall undergo disintegration during the men...

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  17. The height of LH secretion, 16-26 hours before ovulation.

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  18. The modified sweat glands in the female that serve as the source of fo...

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  19. The penetration of the spermatozoa into the egg sets in a reaction in...

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  20. Explain LH surge.

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