Which wave is being used by common TV remote control ?

• Radio waves
• Micro waves
• Infrared waves
• Ultrasonic waves
Correct Option: C  [ Infrared waves ]

Remark:

The mixture of flammable gases (carbon monoxide and hydrogen) and nonflammable gases (nitrogen and carbon dioxide) is called by what name?

• Laser Star Gas
• Breathing Gas
• Producer Gas
• Laughing Gas
Correct Option: C  [ Producer Gas ]

Remark:

India's first atomic power station was set up at:

• Surat (Gujarat)
• Tarapur (Maharashtra)
• Trombay (Maharashtra)
• Trombay (Maharashtra)
Correct Option: B  [ Tarapur (Maharashtra) ]

Remark:

Which of the following is used in pencils ?

• Graphite
• Silicon
• Charcoal
• Phosphorous
Correct Option: A  [ Graphite ]

Remark:

The Bhopal Gas Tragedy was caused by :

• Phosgen gas
• Carbon monoxide
• Methyl isocyanate
• Chlorine
Correct Option: C  [ Methyl isocyanate ]

Remark: On 2–3 December, 1984 at the Union Carbide India Limited (UCIL) pesticide plant.

Which polymer is used in making non-stick kitchen ware ?

• Nylon
• PVC
• Bakelite
• Teflon
Correct Option: D  [ Teflon ]

Remark:

The motion of which particle through a metallic wire is called electric current?

• Electron
• Positron
• Neutron
• Photon
Correct Option: A  [ Electron ]

Remark:

In which part of the human body carpal bones are found ?

• Wrist
• Femur
• Neck
• None of these
Correct Option: A  [ Wrist ]

Remark:

The purest form of iron is

• White cast iron
• Grey cast iron
• Wrought iron
• Steel
Correct Option: C  [ Wrought iron ]

Remark:

The growth of bacteria is measured by:

• hemocytometer
• spectrophotometer
• calorimeter
• auxanometer
Correct Option: B  [ spectrophotometer ]

Remark: