What is the temperature when density of water is the highest

• 5 degree Celsius
• 6 degree Celsius
• 4 degree Celsius
• 3 degree Celsius
Correct Option: C  [ 4 Degree Celsius ]

Remark:

A fuse wire has :

• high resistance and high melting point
• low resistance and high melting point
• low resistance and low melting point
• high resistance and low melting point
Correct Option: D  [ high resistance and low melting point ]

Remark:

Sodium stearate is a salt and is used?

• in gunpowder
• in Paint
• to make Soap
• to make fertilizer
Correct Option: C  [ to make Soap ]

Remark:

Volumetric method for determination of fat % of milk is:

• Waste fall balance
• Soxhlet method
• Richmond sliding method
• Garber method
Correct Option: D  [ Garber method ]

Remark:

SA-node of mammalian heart is known as :

• Autoregulator
• Pace-maker
• Time controller
• Beat regulator
Correct Option: B  [ Pace-maker ]

Remark:

What is the S.I. unit of electric current?

• Volt
• Watt
• Ampere
• Ohm
Correct Option: C  [ Ampere ]

Remark:

Purity of milk is tested by:

• Electrometer
• Lactometer
• Radiometer
• Refractometer
Correct Option: B  [ Lactometer ]

Remark:

Malaria is caused by

• parasitic infection
• viral infection
• bacterial infection
• fungal infection
Correct Option: A  [ parasitic infection ]

Remark:

A large collection of files are called:

• folder
• records
• sectors
• database
Correct Option: D  [ database ]

Remark:

India first atomic device was exploded in 1974 at:

• Bikaner
• Barmed
• Pokhran
• Jaisalmer
Correct Option: C  [ Pokhran ]

Remark: Pokhran is a city in Rajasthan