Which of the following is used to express the speed of internet connectivity ?

• Mb / sec
• Mb
• Herz
• Kb

A transformer is used to :

• Increase or decrease D.C voltage
• Increase or decrease A.C voltage
• Convert A.C to D.C
• Convert D.C into A.C

Where is 'Dakshin Gangotri' located ?

• South Pole
• Himalaya
• Uttarakhand
• Antarctica

'ASTROSAT' is a satellite launched by ISRO for :

• Research on climate conditon
• Better Tele-communication
• Astronomy research
• None of these

The element common to all acids is :

• Oxygen
• Hydrogen
• Nitrogen
• Sulphur

Which of the following processes is responsible for transforming liquid into vapour ?

• Condensation
• Evaporation
• Transpiration
• Sublimation

The intensity of earthquake is measured by :

• Barometer
• Hydrometer
• Polygraph
• Seismograph

Chemical name of 'Baking powder' is :

• Ammonium Chloride
• Magnesium Phosphate
• Sodium bi-carbonate
• Ammonium bi-phosphate

Which of the following gases constitutes the major portion of the atmosphere by volume ?

• Oxygen
• Argon
• Nitrogen
• Carbon dioxide

How much time the light from Sun takes to reach the Earth ?

• 2 minutes
• 4 minutes
• 8 minutes
• 12 minutes