212 NIOS PRACTICAL MANUAL SCIENCE AND TECHNOLOGY 212 HELP BOOK IN HINDI MEDIUM
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212 NIOS PRACTICAL MANUAL SCIENCE AND TECHNOLOGY 212 HELP BOOK IN HINDI MEDIUM
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212 NIOS PRACTICAL MANUAL SCIENCE AND TECHNOLOGY 212 HELP BOOK IN HINDI MEDIUM
Here We Provide NIOS Practical Lab Manual & Practical Examination Guidelines for 10th Class with important Experiments, Marking Scheme.
Guidelines for Nios (212) Science And Technology Practical Examination Secondary Level
There will be a practical examination of 15 marks apart from the theory examination.
The distribution of 15 marks is as follows:
Two Experiments (2 × 4 = 8)(Both the experiments should not be from the same section) 8 Marks
Record Book 4 Marks
Viva-voce 3 Marks
Total Marks 15
List of Practical works :
Physics
- To Determine the Density of the Material of a Given Solid Using a Spring Balance and a Measuring Cylinder
- To Find the Average Speed of an Individual, as One Walks/Runs, To and Fro between Two Points
- To Observe and Compare the Pressure Exerted by a Solid Iron Cuboid Placed on Fine Sand/Wheat Flour while Resting on its three different Faces and Calculate the Pressure Exerted in the three different Cases
- To Verify the Third Law of Motion Using Two Spring Balances
- To Determine the Melting Point of Ice
- To Study the Laws of Reflection of Light Using a Plane Mirror
- To Study the Change in the Size, and Position of Image formed by a Convex Lens by Changing the Position of an Object (Candle) Placed in front of it
- To Study the Change in Current through a Resistor by Changing Potential Difference across it. Determine the Resistance of the Resistor by Plotting a Graph between Potential Difference and Current
- To Assemble a Household Circuit Comprising Two Bulbs (3 Volt each), Two Turn On-Off Switches, a Fuse and Two Dry Cells as Source of Power
10. To Determine the Speed of a Pulse Propagated through a Stretched String
Chemistry
- To Prepare an Aqueous Solution of Common Salt of a Given Composition
- Separation of Mixtures
- To Differentiate between a Chemical and Physical Change in a Given Process
- To Test the Presence of Water Vapours in Air
- To Test the Presence of Carbon Dioxide (CO2) in Air
- To find out the Approximate Percentage of Oxygen in Air
- To Test the Acidic/Basic Nature of a Solution with the help of pH Paper
- To find the pH of Fruit/Vegetables Juices with the help of pH Paper
- To Identify Washing Soda and Baking Soda out of the Samples of two White Powers
- To Carry out Chemical Reactions of Different Types
Biology
- To Prepare a Temporary Stained Mount of (i) Onion Peel, Observe Under the Microscope and Record Observations
- To Prepare a Temporary Stained Mount of Human Cheek Cells, Observe under the microscope and Record Observations
- To Study and Draw Different Types of Plant and Animal Tissues with the Help of Permanent Slides : Plant tissues: Parenchyma and Sclerenchyma; Animal tissues: Blood, Striped muscle fibres and Nerve cells
- To Study the Process of Osmosis through a Semipermeable Membrane
- To Test the Presence of Starch in Green Leaves Exposed to Sunlight
- To Observe that Oxygen is Released during the Process of Photosynthesis
- To Show that CO2 is Given Out During Respiration
- To Test the Presence of Starch and Fat in Given Food Samples
- To Test the Presence of Adulterants in (a) Milk and (b) Metanil Yellow in Pulse
- To Estimate the Level of Pollution in Terms of Particulate Matter by Comparing Leaf Samples Collected from Different Areas
- To Observe Organisms from Given Pictures or Specimens or in the Surroundings (e.g. Crop Field, a Garden, or A Nearby Pond), Classify Them as Producers and Consumers, and Construct Their Food Chains and Indicate their Trophic Levels
- To Study External Structural Adaptations in Any Two Organisms out of Cockroach, Fish, Frog, Lizard and Pigeon