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  2. Central Board of Secondary Education - Wikipedia

    en.wikipedia.org/wiki/Central_Board_of_Secondary...

    The Term 1 examination was successfully conducted by CBSE in objective mode from 22 November to 12 December 2021 for Class 10 and from 16 November to 30 December 2021 for Class 12. However, the Term-I examination was criticised by many for having wrong answer keys, tough question papers and wrong or controversial questions, with a question ...

  3. Open Syllabus Project - Wikipedia

    en.wikipedia.org/wiki/Open_Syllabus_Project

    The Open Syllabus Project (OSP) is an online open-source platform that catalogs and analyzes millions of college syllabi. [3] Founded by researchers from the American Assembly at Columbia University , the OSP has amassed the most extensive collection of searchable syllabi.

  4. Historical source - Wikipedia

    en.wikipedia.org/wiki/Historical_source

    A tertiary source is an index or textual consolidation of already published primary and secondary sources [6] that does not provide additional interpretations or analysis of the sources. [ 7 ] [ 8 ] Some tertiary sources can be used as an aid to find key (seminal) sources, key terms, general common knowledge [ 9 ] and established mainstream ...

  5. National Curriculum Framework 2005 - Wikipedia

    en.wikipedia.org/wiki/National_Curriculum...

    The subjects of NCF 2005 include all educational institutions in India. A number of its recommendations, for example, focus on rural schools. The syllabus and textbooks based on it are being used by all the CBSE schools and multiple state schools. [8] NCF 2005 has been translated into 22 languages and has influenced the syllabus in 17 states.

  6. Board examination - Wikipedia

    en.wikipedia.org/wiki/Board_examination

    The 2025 CBSE board examination for Class 10 were held from 15 February till 18 March and from 15 February till 4 April for class 12. The usual starting time for each exam was 10:30 am( IST ) but depending on the length and/or maximum marks for the subject, the finishing time was either 12:30 pm ( IST ) (2 hours, shorter exams, usually 40-50 ...

  7. History of chemistry - Wikipedia

    en.wikipedia.org/wiki/History_of_chemistry

    By 1000 BC, civilizations used technologies that would eventually form the basis of the various branches of chemistry. Examples include the discovery of fire, extracting metals from ores, making pottery and glazes, fermenting beer and wine, extracting chemicals from plants for medicine and perfume, rendering fat into soap, making glass, and ...

  8. List of important publications in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_important...

    Zeitschrift für Chemie 12, 405–406 (1869) Online version; Description and Importance: In this paper the periodic table was introduced. [3]: 438 Notice that the table in the above link is the original one. Since then the table structure was slightly changed and new elements were added to it.

  9. Bihar School Examination Board - Wikipedia

    en.wikipedia.org/wiki/Bihar_School_Examination_Board

    It also includes optional subjects like Sanskrit, Urdu, etc. The syllabus is designed to prepare students for the Secondary School Examination (Class 10th board exam). Class 12th (Intermediate) Syllabus: The class 12th syllabus varies depending on the stream chosen by the students, such as Science, Commerce, or Arts. The science stream includes ...