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SRI CKS HIGH SCHOOL K.R PURAM, HASSAN., STANDARD: 9TH, , FORMATIVE ASSESSEMENT-2, SUBJECT: SCIENCE, , MAX.MARKS: 25, , I., , Choose the correct answers for the following questions from the given alternatives. 3X1=3, 1. The SI unit of force is______________, A) kgms-2, B) kgms-1, C) kgm, D) kg/sec, 2. Which one of the following animal tissues found in heart? _______________., A) Epithelial, B) connective tissue, C) adipose D) voluntary, 3. If a mixture consist uniform composition of solute and solvent, then it will be a __________., A) Homogeneous solution, c)suspension, B) heterogeneous solution, D)all the above, II. Answer the following questions in a word or sentence each., 3X1=3, 4. What is tissue?, 5. State Newton’s third law of motion., 6. Suggest a separating method to separate two immiscible liquids., III., Answer the following questions in a word or sentence each., 5X2=10, 7. a) Which of the following has more inertia?, A Five rupee coin and a one rupee coin., b) What do we get by the product of mass and velocity?, OR, When carpet is beaten with stick dust comes out of it explain., 8. Write any two differences between striated and non striated muscles., 9. What are compounds? Mention any two examples., OR, Name the techniques to separate followings., a) Butter from milk b)salt from sea water, 10. Draw a neat diagram of neuron., 11. A solution contains 40 g of common salt in 320 g of water. Calculate the concentration of in, terms of mass by mass percentage of the solution., IV., Answer the following questions in a word or sentence each., 3X3=9, 12. a) What is a pure substance?, b) Write any two differences between homogenous and heterogeneous, 13. Draw the diagram of fractional distillation chamber used in the separation of gases from air., OR, Draw the fractional distillation used in the separation of liquids., 14. a) what is force?, b) State Newton’s first law of motion. OR, A truck from rest rolls down a hill with a constant acceleration. It travels a distance of 400m in 20, seconds. Find the acceleration. Find the force acting on it, if its mass is 7 tonnes., (1 tonne=1000kg), , ********************************************************************