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  2. All India Secondary School Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Secondary_School...

    All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10. The board ...

  3. Geography of India - Wikipedia

    en.wikipedia.org/wiki/Geography_of_India

    [1] [10] Its borders with Pakistan and Bangladesh were delineated according to the Radcliffe Line , which was created in 1947 during Partition of India . Its western border with Pakistan extends up to 3,323 km (2,065 mi), dividing the Punjab region and running along the boundaries of the Thar Desert and the Rann of Kutch . [ 1 ]

  4. Pairing - Wikipedia

    en.wikipedia.org/wiki/Pairing

    A pairing can also be considered as an R-linear map: ⁡ (,), which matches the first definition by setting ():= (,). A pairing is called perfect if the above map Φ {\displaystyle \Phi } is an isomorphism of R -modules.

  5. Central Board of Secondary Education - Wikipedia

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

    On 12 April 2018, the police said that Rakesh Kumar, who leaked the class 12 economics paper, had leaked class 10 mathematics paper also. [40] Consequently, the Central Board of Secondary Education has put in place a system of "encrypted" question papers, which are supposed to be printed by the schools half an hour before the exam starts.

  6. Ligand - Wikipedia

    en.wikipedia.org/wiki/Ligand

    In coordination chemistry, a ligand [a] is an ion or molecule with a functional group that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's electron pairs , often through Lewis bases . [ 1 ]

  7. Geography - Wikipedia

    en.wikipedia.org/wiki/Geography

    Geography is subject to the laws of physics, and in studying things that occur in space, time must be considered. Time in geography is more than just the historical record of events that occurred at various discrete coordinates; but also includes modeling the dynamic movement of people, organisms, and things through space. [9]

  8. Non-canonical base pairing - Wikipedia

    en.wikipedia.org/wiki/Non-canonical_base_pairing

    As claimed by the authors, this nomenclature scheme adds some additional features to the Leontis-Westhof (LW) [28] scheme and may be referred to as the LW+ scheme. A major advantage of this scheme lies in its ability to distinguish between alternative base pairing geometries, where multimodality is observed within an LW family.

  9. Possibilism (geography) - Wikipedia

    en.wikipedia.org/wiki/Possibilism_(geography)

    Possibilism in cultural geography is the theory that the environment sets certain constraints or limitations, but culture is otherwise determined by social conditions. [1] [2] In cultural ecology, Marshall Sahlins used this concept in order to develop alternative approaches to the environmental determinism dominant at that time in ecological studies.