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CBSE Social Science 10 SA-2 sample paper

on February 05, 2017

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Note on reproduction

REPRODUCTION = A biological process in which an organism gives rise to young ones similar to itself in most of the charracters. Reproduction is essential for survival aswell as continuation of species. In a species, there is a cycle of birth, growth,mature to take part in reproduction and finally death. Types of reproduction:- (1) Sexual reproduction (2) Asexual reproduction Sexual reproduction:- when two parents participate in the reproductive process and also involves formation and fusion of male and female gametes,it is called sexual reproduction. Characteristics of sexual reproduction:- (1) It is biparental i.e two individuals of opposite sexes are required. Ex= Taenia , Faaciola, etc. (2) I...

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CBSE Social Science 10 SA-2 sample paper

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