10th Class Science Human Reproduction Reproduction


Category : 10th Class




  • The phenomenon of the formation of new individuals from the existing ones to increase the population is called reproduction.


  • The process of reproduction ensures the continuity of a race and the perpetuation of characteristics of the species and particularly the parent organisms.


  • Reproduction can be broadly grouped into two types: asexual reproduction and sexual reproduction.


  • Sexual reproduction is the process during which a new individual is formed by the fusion of a male reproductive cell with a female reproductive cell.


  • Asexual reproduction is a mode of reproduction by which offsprings arise from a single parent and inherit the genes of that parent only.


  • Fertilisation is the fusion of gametes to produce a new organism.


  • Various organisms use different modes of reproduction depending on their body design.


  • Different forms of asexual reproduction :


Binary fission

e.g., amoeba.


e.g., hydra.

Spore formation

e.g., fungi, fern and moss.

Vegetative reproduction

e.g., bulb of onion, stem tuber, etc.


e.g., planaria, starfish etc.


  • The roots, stems and leaves of some plants develop into new plants through vegetative propagation.


  • The different parts of the human male reproductive system are seminal vesicle, scrotum, penis, testis, prostate gland, sperm duct, sperm (male gamete).


  • Parts of the human female reproductive system are uterus, cervix, fallopian tube, ovary, vagina.


  • Reproduction in flowering plants involves pollination or the transfer of pollen grains from the anther to the stigma. This is followed by fertilisation.

Notes - Reproduction

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