www.em.tnschools.co.in SSLC PUBLIC EXAMINATION - SCIENCE PRACTICAL EXAMINATION – DISTRIBUTION OF MARKS 1. To find out the presence of starch in the given food samples A and B by using Iodine solution. 2. To find out the rate of heart beat of human being by using stethoscope under normal physical conditions. 3. To find out the body temperature by using clinical thermometer and to compare with surrounding temperature. 4. To calculate the Body Mass Index (BMI) of a person by using the BMI formula and comparing the value with BMI chart. Requirements Procedure Tabulation Ans / Inference Total

– 1 Mark – 1 Mark – 2 Marks – 1 Mark – 5 Marks

5. To dissect and display the Androecium and Gynoecium of any locality available flowers. Identify & Name the flower – 1 Mark Display – 1 Mark Procedure – 1 Mark Tabular column – 2 Marks Total – 5 Marks 6. To classify the fruits: Separate the pericorps and write the edible parts and fill in the tabular column. Identify & Name the fruit Procedure Tabular column Total

– 1 Mark – 2 Marks – 2 Marks – 5 Marks

7. To identify the structure of Ovule. Identify & Name the slide – 1 Mark Procedure – 2 Marks Tabular column – 2 Marks Total – 5 Marks 8. To prove the anaerobic respiration (Fermentation). Materials required Procedure Tabular column Result Total

– 1 Mark – 1 Mark – 2 Marks – 1 Mark – 5 Marks

9. To find the pH of a given solution using pH paper. Procedure – 1 Mark Tabular column – 2 Marks Test tube

Colour produced in pH paper

Nature of the solution

A B Result: Test tube A contain – 1 Mark Test tube B contain – 1 Mark Total – 5 Marks 10. To identify acids and bases Required – 1 Mark Tabular column – 3 Marks Result – 1 Mark Total – 5 Marks 11. Preparation of true solution, colloidal solution and suspension. Procedure – 1 Mark Tabular column – 2 Marks Result – 2 Marks Total – 5 Marks 12. To predict whether the reaction is exothermic or endothermic. Required Tabular column Result Total

– 1 Mark – 3 Marks – 1 Mark – 5 Marks

13. Screw Gauge Formula – 1 Mark Procedure – 1 Mark Tabular column (Minimum 2 readings & calculation) – 2 Marks Result (Result + unit) – 1 Mark Total – 5 Marks 14. Resistance of a wire. Formula – 1 Mark Procedure – 1 Mark Tabular column (Minimum 2 readings & calculation) – 2 Marks Result (Result + unit) – 1 Mark Total – 5 Marks 15. Mapping of Magnetic field. Procedure – 1 Mark Magnetic meridian – 1 Mark Magnetic lines of force – 2 Marks Result – 1 Mark Total – 5 Marks 16. Focal Length of a convex lens. Formula – 1 Mark Procedure – 1 Mark Tabular column (Minimum 2 readings & calculation) – 2 Marks Result (Result + unit) – 1 Mark Total – 5 Marks