SSC stands for Survival Service Commission.

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Related to biological terms:

It is SURVIVAL Service Commission. It is a scientific network of thousands of volunteers. They work for balance, protection and restoration of ecosystem on Earth. The would like to restore the  wild life - plant and animal species.

It could be also saline sodium citrate - a solution mixture of sodium chloride and tri sodium citrate.  it is used in molecular biology and biochemistry
as some one said, SSC also can mean West Bengal School Service Commission that recruits teachers in aided schools
it can mean secondary school certificate - 10th standard in andhra pradesh