Measles is a disease caused by :

• Bacteria
• Protozoa
• Worm
• Virus
Correct Option: D  [ Virus ]

Remark:

Bilirubin and Biliverdin are the pigments found in :

• Bile
• Plasma
• RBC
• Muscles
Correct Option: A  [ Bile ]

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.

Helium is preferred to hydrogen in air balloons because it:

• is cheaper
• is less dense
• has greater lifting power
• does not form an explosive mixture with air
Correct Option: D  [ does not form an explosive mixture with air ]

Remark:

Mesons are found in

• Laser beam
• X-ray
• Gamma rays
• Cosmic rays
Correct Option: D  [ Cosmic rays ]

Remark:

Chemical name of 'Baking powder' is :

• Ammonium Chloride
• Magnesium Phosphate
• Sodium bi-carbonate
• Ammonium bi-phosphate
Correct Option: C  [ Sodium bi-carbonate ]

Remark:

Full form of "GPS" is

• Geographic Pointing System
• Global Positioning System
• Geographic Photo Sensor
• Global Polar Synchronization
Correct Option: B  [ Global Positioning System ]

Remark:

The rusting of the iron is the example of:

• Oxidation
• Reduction
• Polymerisation
• Galvanization
Correct Option: A  [ Oxidation ]

Remark:

What is the name of first Indian Artificial satellite?

• Apollo
• Rohini
• Bhaskara
• Aryabhatta
Correct Option: D  [ Aryabhatta ]

Remark: launched by the Soviet Union on 19 April 1975 and built by the Indian Space Research Organisation (ISRO)

A Barometer can be used for :
1)Measuring atmospheric pressure
2)Determining altitudes
3)Measuring density of liquid
4)Weather forecasting

• 1 only
• 1,2 and 4 only
• 1 and 4 only
• 4 only
Correct Option: B  [ 1,2 and 4 only ]

Remark: