हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Draw a labelled diagram of sperm.

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प्रश्न

Draw a labelled diagram of sperm.

आकृति
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उत्तर १

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उत्तर २

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अध्याय 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
अध्याय 2 Human Reproduction
EXERCISES | Q 9. | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
अध्याय 2 Human Reproduction
NCERT EXERCISES | Q 9. | पृष्ठ ११६

संबंधित प्रश्न

With the help of diagrammatic representation, explain the process of gametogenesis


Explain the development of a secondary oocyte (ovum)  in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.


Name the hormones involved in regulation of spermatogenesis.


What is oogenesis?


Describe the process of spermatogenesis with the help of diagram.


In meiosis, the number of chromosomes becomes ___________.


What is gamete formation?


Explain two main process in sexual reproduction.


Sex organs produce gametes which are diploid.


Mention the differences between spermiogenesis and spermatogenesis.


Expand the acronym.

hCG


Identify the labels (i-iv) in the given diagram of the ovum.


Identify the CORRECT sequence of events.


First meiotic division is observed in ____________.


______ undergoes 2nd meiotic division during spermatogenesis.


Select the pair of cells which does not divide further by mitosis.


Conversion of spermatid into sperm is called as _______.


Middle piece of mammalian sperm possesses ______.


By which process sperms released from the seminiferous tubules?


It The cell division in secondary oocyte is suspended at ______.


How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.


Which one is released from the ovary?


In oogenesis haploid egg is fertilised by sperm at which stage?


Select the correct sequence of stages of spermatogenesis in a human male ______.


In the process of fertilization, this is true:


3-celled male gamete develops in:


Capacitation refers to changes in the ______.


The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.


Which type of cell division forms spermatids from the secondary spermatocytes?


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