science for SSC Exam

SCIENCE AND TECHNOLOGY QUIZ

1. Which one of the following polymers is used in making bulletproof vests?
A.Bakelite
B.Polyamides
C.Teflon
D.Polyurethanes


2. Rocket works on the principle of the following-
A.Avogadro’s concept
B.Energy conservation
C.Momentum conservation
D.Bernoullis theorem

3. The gases employed for respiratory activities of divers are-
A.oxygen and nitrogen
B.oxygen and helium
C.oxygen and argon
D.oxygen and neon

4. Which one of the following is called ‘dry ice’?
A.Dehydrated ice
B.Solid hydrogen peroxide
C.Solid water
D.Solid carbon dioxide

5. Which of the following metal is liquid at room temperature?
A.Lead
B.Mercury
C.Nickel
D.Tin

6. The amount of carbon is highest in-
A.Pig iron
B.Wrought iron
C.Steel
D.Alloy steel

7. The most abundant element found in the human body is-
A.Iron
B.Oxygen
C.Sodium
D.Iodine

8. Common side effect of Cu-T-
A.Bleeeding
B.Pain
C.Perforation
D.Pelvic Inflammatory diseases

9. Goldsmith’s use aquaregia which is prepared by mixing-
A.Nitric Acid and sulphuric acid
B.Nitric acid and hydrochloric acid
C.Sulphuric acid and hydrochloric acid
D.Citric acid and benzoic acid

10. Which one the following is not used as a nuclear fuel?
A.Uranium
B.Thorium
C.Calcium
D.Plutonium

11. The colour of the light is fixed by its-
A.Velocity
B.Amplitude
C.Frequency
D.Wavelength

12. Which one of the following devices is used to measure the intensity of earthquake?
A.Seismograph
B.Stethoscope
C.Cosmograph
D.Periscope

13. Mirage formation is an example of-
A.Refraction
B.Dispersion
C.Total internal reflection
D.Diffraction

14. Which one of the following is the best conductor of heat?
A.Water
B.Mercury
C.Benzene
D.Leather

15. The most abundantly found organic compound in the nature is-
A.Glucose
B.Cellulose
C.Sucrose
D.Fructose

16. The inside pressure of the soap bubble is-
A.Equal to the atmospheric pressure
B.More than atmospheric pressure
C.Less than atmospheric pressure
D.None of the above

17. The study of ageing is known as-
A.Gerontology
B.Ethnology
C.Anthropology
D.Thanatology

18. The principle of thermal ionisation is an outstanding contribution of-
A.H.J Bhabha
B.M.N Saha
C.C.V Raman
D.J.C.Bose

19. Machine gun was invented by-
A.J.L Beared
B.G. Brousa
C.Karl benz
D.James Pakal

20. Which one of the following devices is used to cool the engine of the vehicles?
A.Polygraph
B.Turbine
C.Radiator
D.Quadrant

Answer
1. b
2. c
3. a
4. b
5. b
6. a
7. b
8. a
9. b
10. c
11. d
12. a
13. c
14. b
15. b
16. b
17. a
18. b
19. d
20. c