We will say Yes! OSDS provides you 8 sets of question papers with detailed answers and OMR sheet as per actual composition of exams. In workbook, you will get chapter wise questions and in Real Test Papers you have previous year papers which have changing pattern of exams. Practicing more and more updated practice paper are necessary as these are based on pattern, course, marking scheme and syllabus distribution which is identical to the actual tests that are held by Science Olympiad Foundation. It helps in understanding the present level of competition.