General Science 1000+ MCQ with answer for ESIC

1. Quartz crystals normally used in quartz clocks etc. is chemically
A. A mixture of B and C
B. Silicon dioxide
C. Germenium dioxide
D. Sodium Silicate
Answer : B

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

3. 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

4. Polythene is industrially prepared by the polymerisation of
A. styrene
B. methane
C. ethylene
D. acetylene
Answer : C

5. The location and energy of an electron in an atom can be specified by
A. Atomic number
B. Atomic mass
C. Quantum numbers
D. None of these
Answer : C

6. 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

7. The property of a substance to absorb moisture from the air on exposure is called
A. Desiccation
B. Efflorescence
C. Deliquescene
D. Osmosis
Answer : C

8. 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

9. Bromine is
A. A Black solid
B. A red liquid
C. A highly inflammable gas
D. colourless gas insoluble in water
Answer : B

10. The smallest functional and structural unit of kidney is called as
A. Granulocyte
B. Neuron
C. Reticulocyte
D. Nephron
Answer : D

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

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

13. What is the unit for measuring the pitch or frequency of sound ?
A. Coulomb
B. Hum
C. Cycles
D. Decible
Answer : D

14. 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

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

16. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is
A. an AND circuit
B. an OR circuit
C. a high-pass filter
D. a NOR circuit
Answer : B

17. The Panda belongs to the same family as that of
A. Cat
B. Bear
C. Rabbit
D. Dog
Answer : B

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

19. The recent atomic weight scale is based on
A. 1H1
B. 1H2
C. 6C12
D. 8O16
Answer : C

20. Rust is
A. A mixture of FeO and Fe(OH)2
B. A mixture of Fe2O3 and Fe(OH)2
C. A mixture of Fe2O3, 3H2O and FeO
D. FeO only
Answer : C

21. 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

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

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

24. 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