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General Science Quiz For Upcoming 2016-17 Exams.

General Science Quiz For Upcoming 2016-17 Exams._30.1

Q1. Hydrogen bomb is based on the principle of—
(a) controlled fusion reaction 
(b) uncontrolled fission reaction
(c) controlled fission reaction 
(d) uncontrolled fusion reaction

Q2. Which gas emits from the rice field?
(a) ethane 
(b) nitrogen  
(c) methane
(d) All of the above

Q3. Pyrethrin used in mosquito coil is obtained from which of the following?
(a) a bacterium
(b) an insect 
(c) a seed plant
(d) a fungus

Q4. The blue colour of water in the sea. What is the reason behind the phenomenon? 
(a) Refraction of the blue light by the impurities in sea water. 
(b) Absorption of other colours except the blue colour by water molecules
(c) Refraction of blue sky by sea water. 
(d) Scattering of blue light by water molecules.

Q5. Which of the following is the end product of alcoholic fermentation?
(a) pyruvic acid 
(b) ethyl alcohol
(c) acetaldehyde
(d) formic acid

Q6. When iron is rusted, it is—
(a) Decomposed
(b) Reduced 
(c) Evaporated 
(d) Oxidised

Q7. Blood cells do not shrink in blood because blood is—
(a) hypertonic 
(b) isotonic 
(c) equimolar 
(d) hypotonic

Q8. Oils are purified by 
(a) Fractional distillation 
(b) Crystallisation
(c) Steam distillation
(d) Vacuum distillation

Q9. The deficiency of which one of the following leads to dental caries? 
(a) Fluorine
(b) Copper 
(c) Iron
(d) Zinc

Q10. Alum purifies muddy water by which process?
(a) Absorption 
(b) Coagulation
(c) Emulsification 
(d) Dialysis