Heavy water is :

• Ice
• Water at 4 degree Celsius
• Deuterium oxide
• Solution of sugar and water
Correct Option: C  [ Deuterium oxide ]

Remark:

Gasoline is obtained from crude petroleum by:

• Fractional distillation
• Fractional distillation
• Sublimation
• Evaporation
Correct Option: A  [ Fractional distillation ]

Remark:

Which type of fire extinguisher is used for petroleum fire?

• Powder type
• Liquid type
• Soda acid type
• Foam type
Correct Option: A  [ Powder type ]

Remark:

Which of the following retains the information when the power to the system is shut down?

• CPU
• ROM
• RAM
• DIMM
Correct Option: B  [ ROM ]

Remark:

Ocean thermal energy is due to:

• tides in the ocean
• pressure difference at different levels in the ocean
• temperature difference at different levels in the ocean
• energy stored by waves in the ocean
Correct Option: C  [ temperature difference at different levels in the ocean ]

Remark:

What is the full form of USB?

• Unlimited Service Band
• Unlimited Serial Bus
• Universal Serial Bus
• Unlimited Storage Bus
Correct Option: C  [ Universal Serial Bus ]

Remark:

Rickets is a disease caused by the deficiency of

• Vitamin- K
• Vitamin- D
• Vitamin- B1
• Vitamin- A
Correct Option: B  [ Vitamin- D ]

Remark:

Which of the following is the structural and functional unit of kidneys?

• Nephron
• Pits
• Nutrofil
• Tentacle
Correct Option: A  [ Nephron ]

Remark:

Yellow revolution is related to:

• cereals
• oilseeds
• milk
• none of these
Correct Option: B  [ oilseeds ]

Remark:

Which kind of Power accounts for the largest share of power generation in India ?

• Hydro-electric
• Solar
• Thermal
• Nuclear
Correct Option: C  [ Thermal ]

Remark: