It gives me immense pleasure to present before you this android application which contains solutions of Science subject for class 10th students. This question-answer series has been arranged in topic wise sequence. An attempt has been made to be brief as well as comprehensive while preparing the contents of this app. This app will definitely help you in your examination because it is based on frequently asked questions of J&K Board exams. I am highly thankful to Mr T. A. Wani for his technical support. Any suggestion or feedback from your side shall be most welcomed. Wish you best of luck. With regards Mr. B. A. Shiekh Teacher Deptt of Education, J&K