Online Practice Sets For Railway RRB Group D Exam | General Science Quiz Set - 6


Electrostatic precipitator is used to control?

   A.) Radio-active Pollutants
   B.) Chemical Pollutants
   C.) Water Pollutants
   D.) Air Pollutants

Answer: Option 'A'

​Radio-active Pollutants


Environmental pollution can be controlled by?

   A.) Manufacturing Electrical Vehicles
   B.) Sewage Treatments
   C.) Checking Atomic Blasts
   D.) All of these

Answer: Option 'A'

Manufacturing Electrical Vehicles


Epoxy resins is used as:

   A.) Adhesives
   B.) Detergents
   C.) Insecticides
   D.) Moth repellants

Answer: Option 'A'



Excess amount of absorbed water by plants is liberated out by?

   A.) Diffusion
   B.) Evaporation
   C.) Transpiration
   D.) Osmosis

Answer: Option 'C'



Fixation of nitrogen means:

   A.) Manufacture of nitrogen
   B.) Conversion of atmospheric nitrogen into useful compounds
   C.) Liquefication of nitrogen
   D.) Conversion of nitrogen into nitric acid

Answer: Option 'B'

​Conversion of atmospheric nitrogen into useful compounds


Flowerless plants are termed as ?

   A.) Phanerogams
   B.) Bryophytes
   C.) Thallophytes
   D.) Cryptogams

Answer: Option 'D'



Excretion in Hemichordates takes place by

   A.) Metanephron
   B.) Mesonephron
   C.) Glomerulus
   D.) Pronephron

Answer: Option 'A'



Essential oils contain

   A.) Steroids
   B.) Porpoise
   C.) Terpenoids
   D.) Alkaloids

Answer: Option 'C'



Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains

   A.) small current carrying wire
   B.) a narrow tube containing water
   C.) optical fibre
   D.) a narrow tube containing some chemical solution

Answer: Option 'C'

​optical fibre


Fly wheel is an important part of a steam engine because it

   A.) gives strength to the engine
   B.) accelerates the speed of the engine
   C.) helps the engine in keeping the speed uniform
   D.) decreases the moment of inertia

Answer: Option 'A'

​gives strength to the engine

Group D General Science Quiz Set - 6 Download Pdf