General Science 1000+ MCQ with answer for IBPS SO

1. Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called
A. Carbon Monoxide
B. Phosgene
C. Phosphine
D. None of these
Answer : D

2. Which of the following elements is obtained from sea weeds ?
A. Argon
B. Vanadium
C. Iodine
D. Sulphur
Answer : C

3. Which of the following characters is not shown by hydrogen
A. It burns in air to form water
B. It supports combustion
C. It readily combines with fluorine and chlorine
D. It combines with almost all metals forming hydrides
Answer : B

4. The major ingredient of leather is
A. Nucleic acid
B. Carbohydrate
C. Collagen
D. Polymer
Answer : C

5. The intencity of Earthquakes is measured on
A. Beaufort scale
B. Secant scale
C. Mercalli scale
D. Richter scale
Answer : D

6. The chemial name of Uria is
A. Carbamide
B. Chloroetane
C. Aneurin
D. None of these
Answer : A

7. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
A. Sulphonates
B. Zeolites
C. Nitrates
D. None of these
Answer : B

8. Apparatus invented by Archimedes is :
A. Pulley
B. Microscope
C. Thermemoter
D. Barometer
Answer : A

9. The metal used in storage batteries
A. Zinc
B. Iron
C. Copper
D. Lead
Answer : D

10. The accumulation of stress along the boundaries of lithospheric plates results in which of the following?
A. Earthquakes
B. Magnetic reversals
C. Hurricanses
D. Increased deposition of deep-sea sediments
Answer : A

11. One fathom is equal to
A. 6 feet
B. 6 metres
C. 60 cms
D. 60 feet
Answer : A

12. Earth's seasons are caused by which of the following?
A. The varying amount of sunspot activity
B. The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
C. The earth's orbit around the sun as an exlipse rather than a circle
D. The rotation of during a 24-hour day
Answer : B

13. In an atomic nucleus, neutrons and protons are held together by
A. Magnetic forces
B. Gravitational forces
C. Coulombic forces
D. Exchange forces
Answer : D

14. Liquefied Petroleum gas (LPG) consists of mainly
A. Methane, Butane and Propane
B. Methane, Ethane and Hexane
C. Ethane, Hexane and Nonane
D. Methane, Hexane and Nonane
Answer : A

15. According to Daltons atomic theory the smallest particle which can exist independently is
A. An atom
B. A cation
C. A molecule
D. An anion
Answer : A

16. The speed of light with the rise in the temperature of the medium
A. Increases
B. Remains unaltered
C. Drops sharply
D. Decreases
Answer : B

17. The colour of Emerald is
A. Deep Green
B. Violet
C. Prussian Blue
D. Yellow
Answer : A

18. Nitrification means
A. Conversion of nitrogen to nitric acid.
B. Production of nitrogen from air
C. Convert the atmospheric nitrogen to effective nitrogen compound.
D. Liquifaction of nitrogen
Answer : C

19. The most important ore of Aluminium is
A. Calamine
B. Calcite
C. Galena
D. Bauxite
Answer : D

20. Which of the following is the lightest metal ?
A. Mercury
B. Lithium
C. Lead
D. Silver
Answer : B

21. The fastest acting enzyme in the biological kingdom is
A. amylase
B. lipase
C. carboxypeptidase
D. carbonic anhydrase
Answer : D

22. The metallic constituents of hard water are
A. Calcium, magnesium and iron
B. Magnesium, Calcium and tin
C. Magnesium, tin and iron
D. Iron, tin and calcium
Answer : A

23. Which of the following parts of the sun is easily visible only during a total solar eclipse?
A. core
B. photosphere
C. sunspots
D. corona
Answer : D

24. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?
A. Atomic warfare
B. Depletion of earth's ozone layer
C. CO2 from fossil fuels
D. Dust clouds from valcanoes
Answer : C