CBSE Class 10 Science Question Paper 2012 Set 11

CBSE Class 10 Science Question Paper 2012 (11). 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

MODEL QUESTION PAPER

X STANDARD – SCIENCE

Section – A

I i) Choose the right Answer

ii) Answer all questions

1. A fruit develops from a single flower with multicarpellary, apocarpous, superior ovary is (Aggregate fruit, composite fruit, simple fruit, multiple fruit)

2. Which of the following constitute a food chain { (Grass, Wheat and Mango), (Grass, goat and Human),(Goat, cow and elephant),(Grass, fish and goat)}

3. Somatic genetheraphy does ( affect the sperm, affect the egg, affect the progency, affect body cell)

4. Pick out the bacterial disease( Meningities, Rabies, Tetanus, Small pox)

5. Mammal’s main excretory product is (Ammonia, Uric acid, Urea, Sodium)

6. When sunlight passes through the window of your house, the dust particles scatter the light making the path of the light visible. This phenomenon is called as (Brownian motion , tyndall effect, Raman Effect , uniform motion)

7. 2KClO₃-> 2KCl + 3O₂ In this chemical reaction MnO₂ acts as MnO₂ (reactant, product , catalyst, promoter)

8. Number of groups in modern periodic table is --------------- (7,17,18,8)

9. An amalgam is an alloy of metal with ( carbon, mercury, hydrogen, gold)

10. The saturated hydrocarbons form homologous series with the general formula C_nH_2n+2. The formula of the second member in this series is (C₂H₂, C₂H₆,C₂H₄,C₂H₈)

11. An object is placed at 25 c.m. from a convex lens whose focal length is 10 c.m. The image distance is ……… (50 c.m, 16.66 c.m, 6.6 c.m., 10 c.m.)

12. Mass of an object is 10 Kg. What is its weight on the earth (where w=mg, g=9.8m/s2 ) (49 N, 25 N, 98 N, 100 N)

13. Four cells each of emf “E” are joined in parallel to form a battery. The equivalent emf of the battery will be ………………………(4E, E, E/4, E=0)

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper 2012 (11)