Science Quiz For SSC and Other Exams 2016

Q1. Brass gets discoloured in air because of the presence of which of the following gases in air?
(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Hydrogen sulphide 


Q2. Monazite is an ore of which of the following?
(a) thorium
(b) zirconium
(c) iron
(d) titanium

Q3. Tetraethyl lead is used as—
(a) pain killer
(b) petrol additive 
(c) mosquito repellent
(d) fire extinguisher

Q4. Potassium Permanganate is used for purifying drinking water, because
(a) it is a sterilising agent
(b) it dissolves the impurities of water
(c) it is an oxidising agent
(d) it is a reducing agent

Q5. Non stick cooking utensils are coated with—
(a) polystyrene
(b) PVC
(c) black paint 
(d) Teflon 

Q6. The two elements that are frequently used for making transistors are—
(a) boron and aluminium
(b) iridium and tungsten
(c) silicon and germanium 
(d) niobium and columbium

Q7. The group of metals Fe, Co, Ni may best called as—
(a) transition metals
(b) main group metals
(c) alkali metals
(d) rare metals

Q8. Soda water contains—
(a) carbonic acid
(b) sulphuric acid
(c) carbon dioxide
(d) nitrous acid

Q9. The main constituents of pearls are—
(a) calcium oxide and ammonium chloride
(b) calcium carbonate and magnesium carbonate
(c) aragonite and conchiolin
(d) ammonium sulphate and sodium carbonate

Q10. Bell metal is an alloy of—
(a) nickel and copper
(b) zinc and copper
(c) brass and nickel
(d) tin and copper

Q11.With reference to the soil conservation, consider the following practices:
1. Crop relation
2. Sand fences
3. Terracing
Which of the above are considered appropriate methods for soil conservation in India? 
(a) 1 and 2  only
(b) 2 and 3 only
(c) 1only
(d) 1, 2 and 3 

Q12. What is a zoom lens? 
(a)It is a lens having fixed focal length
(b)It is a lens having variable focal length
(c)It is a lens used in radio telescopes
(d)None of the above

Q13. The colour of tomato is red due to ?
(a)Lycopene
(b)Chromatin
(c)chlorophyll
(d)None of these

Q14. Orange carrots contain high amounts of ________
(a) lutein
(b) α- and β- carotene
(c) anthocyanins
(d) lycopene

Q15. Which one of following reflects back more sunlight as compared to other three? 
(a)Sand desert
(b)Paddy crop land
(c)Land covered with fresh snow
(d)Prairie land


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