Perfect Knowledge

Perfect Knowledge is a study platform where I am provide study material for Competitive exams like SSC, Railway, UPSC etc. This study material include subjects like Biology, Chemistry, Physics, math, Reasoning, General Knowledge, Geography and history etc.

About Us








Hello Friends,
I am Sachin. 

My blog Perfect Knowledge is a study platform where,
I am provide study material for Competitive exams like SSC, Railway, UPSC etc.
This study material include subjects like:
  • Biology
  • Chemistry
  • Physics
  • Math
  • Reasoning
  • General Knowledge
  • Geography
  • History 


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Protista Kingdom

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