Online Practice Sets For Railway RRB Group D Exam | General Science Quiz Set - 2

1.

A super conductor is characterised by

   A.) Infinite permeability
   B.) Zero permeability
   C.) Low permeability
   D.) High permeability

Answer: Option 'B'

​Zero permeability

2.

According to Dalton's atomic theory the smallest particle which can exist independently is:

   A.) An atom
   B.) An anion
   C.) A cation
   D.) A molecule

Answer: Option 'A'

​An atom

3.

Acetic acid on decarboxylation gives

   A.) Butane
   B.) Ethane
   C.) Methane
   D.) Propane

Answer: Option 'C'

​Methane

4.

Aerated water contains

   A.) CO2
   B.) H2
   C.) SO2
   D.) NO2

Answer: Option 'B'

​H2

5.

AIDS is caused by?

   A.) Fungus
   B.) Virus
   C.) Bacteria
   D.) Water

Answer: Option 'B'

​Virus

6.

Air is a/an:

   A.) Compound
   B.) Electrolyte
   C.) Element
   D.) Mixture

Answer: Option 'D'

Mixture

7.

Age of fossil may be found out by determining the ratio of two isotopes of carbon. The isotopes are?

   A.) C-12 and carbon black
   B.) C-12 and C-14
   C.) C-12 and C-13
   D.) C-13 and C-14

Answer: Option 'B'

​C-12 and C-14

8.

Acid rain is caused due to pollution of atmosphere by?

   A.) Oxides of carbon and nitrogen
   B.) Oxides of nitrogen and phosphorous
   C.) Oxides of nitrogen and sulphur
   D.) None of these

Answer: Option 'C'

Oxides of nitrogen and sulphur

9.

According to special theory of relativity the mass of a particle

   A.) increases with increase in velocity with respect to an observer
   B.) decreases with increase in velocity
   C.) decreases with decrease in velocity
   D.) is independent of its velocity

Answer: Option 'A'

increases with increase in velocity with respect to an observer

10.

A woman who rents her womb to produce a child for others is known as

   A.) Biological mother
   B.) Surrogate mother
   C.) Step mother
   D.) Foster mother

Answer: Option 'B'

​Surrogate mother

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