Science (Mixed) Quiz Based on NCERT for SSC 2016 Quiz

For the first time SSC 2016 examination will be held in Computer Based pattern and managing time will be one of the important factor while solving the questions. So in order to make students familiar with such a situations we are providing questions in a time based manner , which will help students to manage the time properly.

1. The photoelectric effect is described as the ejection of electrons
from the surface of a metal when_____?
A. It is heated
B. It is placed in strong electric field
C. Electron of suitable velocity impinge on it
D. Light of suitable wavelength falls on it

2. The gas used in a refrigerator is_______?
A. cooled down on flowing
B. heated up on flowing
C. cooled down when compressed
D. cooled down when expanded

3. The ultrapure metal is obtained by________?
A. calcination
B. sublimation
C. zone refining
D. None of these

 4. Which of the following is plaster of paris?
A. Ferrous
B. Zinc
C. Sodium
D. Calcium

5. If the temperature
inside a room is increased, the relative humidity will______?
A. increase
B. decrease
C. remain unchanged
D. none of these

6. Which of the following unit is used to measure the speed of ship?
A. Fathom
B. Knot
C. Carat
D. Barrel

7. Which instrument is used to measure
the quantities of heat ?
A. Chronometer
B. Commutator
C. Cyclotron
D. Calorimeter

8. Which mineral’s layer protect enamel?
A. Flourine
B. Iodine
C. Iron
D. Calcium

9. Blood of an organism with an open circulatory called?
A. Haemoglobin
B. Haemophilia
C. Haemolymph
D. None of these

10. Why valves are present in veins?
A. Allow Backflow of blood
B. To prevent backflow of blood
C. Veins move blood away from the heart
D. none of the above

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