Disha Publication providing Olympiad Science Mock Test 2 with solution for class 3rd students. This Practice test is designed on the pattern of various prominent national Olympiad exams conducted across the various schools in India. This Practice Test will help students preparing for the National Science Olympiad Exam. This Practice Test is comprising of 50 multiple choice questions. So students who are preparing for Olympiad exam can download practice test from Disha Publication website at free of cost.