Can anybody please tell me the pattern of question paper of KVPY EXAMINATION to be held in 2014?????

Stream SA- Exam pattern : Part 1 Maths - 15 Questions, Physics - 15 questions , - chemistry -15 questions , - bio 15 questions - All 1 marks questions - MCQ Part 2: 5 questions each in physics, chemistry, maths and bio - 2 marks each. All parts are compulsory Stream SX- Exam pattern : In part 1. 20 questions each in physics, chemistry, maths and biology (i.e the 1 mark questions ). You have to attempt any 3 subjects out of 4 subjects. In part B : 10 questions each in Physics, chemistry maths and Biology - MCQ , each questions carries 2 marks. You have to attempt any two subjects out of 4 subjects. we will have to answer any three among maths,phy,chem and bio.

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Thank You very much

Stream SA and SX stands for??????