GENERAL SCIENCE QUESTIONS SSC CGL SET 25

Here is set of General Science Questions SSC CGL with answers.
 

GENERAL SCIENCE QUESTIONS SSC CGL SET 25

GENERAL SCIENCE QUESTIONS SSC CGL

1. Which of the following constitute a food chain?
A)Grass, wheat and mango
B)Grass, goat and human
C)Goat, cow and elephant
D)Grass, fish and goat
E)None of the above

2. The most important indoor air pollutant is-
A)Sulphur Dioxide
B)Carbon Dioxide
C)Nitrogen Dioxide
D)Radon gas
E)None of the above

3. Chernobyl accident is related with –
A)Nuclear accident
B)Earthquake
C)Flood
D)Acid rain
E)None of the above

4. Combustion of petrol in automobiles pollute air by producing following metal-
A)Mercury
B)Cadmium
C)Lead
D)Carbon Dioxide
E)None of the above

5. If potential difference and current flowing through a wire is increased twice each then electric power-
A)Will remain unaffected
B)Will increase four times
C)Will increase two times
D)Will decrease half
E)None of the above

6. Which type of image of an object is formed by eye lens on retina?
A)Erect and Real
B)Erect and Virtual
C)Inverted and Real
D)Inverted and Virtual
E)None of the above

7. Which of the following is used by the dentist to see the image of teeth of a patient?
A)Concave lens
B)Convex lens
C)Convex mirror
D)Plane mirror
E)None of the above

8. Chemically vermillion is –
A)Calcium Carbonate
B)Potassium Nitrate
C)Potassium Sulphide
D)Mercury ( II ) Sulphide
E)None of the above

9. Which of the following do not react with water at all?
A)Iron
B)Lead
C)Magnesium
D)Aluminum
E)None of the above

10. ‘Joule’ is related to energy in the same way as ‘Pascal’ is related to –
A)Mass
B)Pressure
C)Density
D)Purity
E)None of the above

11. Naphthalene balls are obtained from –
A)Carbon
B)Coke
C)Coal tar
D)Coal gas

12. Which gas is obtained during the processing of coal?
A)Carbon dioxide
B)Coal gas
C)Carbon monoxide
D)Sulphur dioxide

13. Petrochemicals are used in the manufacture of –
A)Polythene
B)Detergents
C)Fibres
D)All of these

14. Hydrogen gas obtained from natural gas is used in –
A)motor fuel
B)fertilisers
C)paints
D)stoves

15. The fibres manufacture by petrochemicals are –
A)Nylon
B)Polyester
C)Acrylic
D)All of these

16. Which of the following is a greenhouse gas?
A)Methane
B)Oxygen
C)Nitrogen
D)Hydrogen

17. __________ are used in electrostatic precipitators.
A)Catalysts
B)Absorbers
C)Electrodes
D)Chemicals

18. Compounds of ________ cause Minamata disease.
A)mercury
B)cadmium
C)cobalt
D)fertilisers

19. Noise Pollution is measured in the unit called –
A)micron
B)nautical miles
C)ohms
D)decibel

20. Which method is used to control pollutants of particulate nature?
A)Combustion
B)Absorption
C)Electrostatic precipitators
D)Oxidation pond

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