Which of the following allow the electric current to pass through it ?

• Glasses
• Graphite
• Rubber
• PVC

Which of the following blood group is considered as Universal Donor ?

• A
• AB
• B
• O

Which of the following is used in pencils ?

• Graphite
• Silicon
• Charcoal
• Phosphorous

What is the first artificial satellite to orbit Earth ?

• Sputnik I
• Explorer I
• Vanguard I
• Discoverer I

Which of the following colours is not seen in a rainbow ?

• Yellow
• Green
• Red
• Brown

Running water is the source of:

• hydel power
• thermal Power
• nuclear power
• None of the Above

In India which is the most widely used form of renewable energy ?

• Geothermal energy
• Hydro-electric energy
• Solar energy
• Thermal energy

In your opinion which of the following is due to ozone hole ?

• Increased UV radiation
• Acid rain
• Global warming
• Greenhouse effect

In organic farming:

• intercropping is not used
• manures are not used
• biofertilizers are not used
• chemical fertilizers are not used

Ramsar Convention is for the conservation of:

• Mountain
• Grassland
• Forest
• Wetland