Science Quiz Based on NCERT for SSC CPO 2016

1. White vitriol is —

A.FeSO4

B.ZnSO4

C.MgSO4

D. CuSO4

2. C.T. Scanning uses —

A.Ultrasound waves

B.Gamma rays

C.X-rays

D.None of the above

3.Chemically ‘speropolenin’ is a / an —

A.co-polymer of carotenoid and fatty acid

B.Carbohydrate

C.Propene

D.Lactic acid

4.A mixture of salt and sand can be separated by —

A.Sublimation

B.Dissolving water

C.Gravity separation

D.Dry distillation

5.Saponification involves the hydrolysis of fats and oils by —

A.water

B.washing soda

C.stearic acid

D.caustic soda

6.Photo-synthesis is a/ an —

A.exothermic process

B.endothermic process

C.a neutral process

D.a thermostatic process

7.Which of the following is a physical change?

A.oxidation

B.reduction

C.sublimation

D.decomposition

8.Which of the following is not a chemical reaction?

A.Burningof paper

B.Digestion of food

C.Conversion of water into steam

D.Burning of coal

9.Which of the following is a chemical change?

A.Rusting of iron

B.Tempering of iron

C.Melting of iron

D.Bending of iron

10.Photoelectric effect was discovered by —

A.Einstein

B.Hertz

C.Bohr

D.Plank

Answers will be updated soon..