CBSE Class 10 Science Question Paper 2012 (9)

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CBSE Class 10 Science Question Paper 2012 (9). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

SCIENCE

Model Question Paper - 2

SECTION - A

I. Answer all questions : 

1. Somatic gene therapy affects ( Sperm, egg, progeny, body cell )

2. Pick out the protein deficiency disease ( Typhoid, Malaria, Marasmus, AIDS)

3. The integumentsof the Ovule develop into ( covary, Seed Coat, Egg, Seed)

4. The autotropic nutrition required ( Co and water, Chlorophyll, Sunlight, all the above )

5. chemical is used in seeding clouds. ( Potassium iodide, Calcium carbonate, Sulphur di Oxide Ammonium phosphate )

6. Which of the following is a true solution ( Milk, Salt in carbon di sulpride, Blood, Sugar solution )

7. The nature of the tooth paste commonly used is in nature ( acidic, basic, neutral, Salty )

8. Bauxite is used to extract aluminium it can be termed as ( Ore, Mineral, flux, Slag )

9. Elements of Group 3 to 12 in the long form of periodic table are called. ( representative elements, transition elements, Inner transition elements, Inert gases 

10. Buckminster fullerence is the allotropic form of ( Nitrogen, Carbon, Sulphur, Phosphorous )

11. Metals frozen to low temperature showed more resistance to wear. This is known as . ( cryogenic yielding, cryogenic hardening , cryogenic cooling, cryogenic shapping)

12. Kilo watt - hour is the unit of ( Potential difference, electric power, electric energym, charge )

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper 2012 (9)

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