Which acid is released when an Ant bites?

• Hydrochloric Acid
• Formic Acid
• Acetic Acid
• Phosphoric Acid
Correct Option: B  [ Formic Acid ]

Remark:

Which gas is used as fire extinguisher?

• Nitrogen dioxide
• Carbon monoxide
• Carbon dioxide
• Nitrous oxide
Correct Option: C  [ Carbon dioxide ]

Remark:

An electric bulb has a filament made of

• Boron carbide
• Tungsten
• Tantalum
• Rhenium
Correct Option: B  [ Tungsten ]

Remark:

Heavy water is :

• Ice
• Water at 4 degree Celsius
• Deuterium oxide
• Solution of sugar and water
Correct Option: C  [ Deuterium oxide ]

Remark:

Minamata disease in Japan was caused due to pollution of water by :

• Lead
• Mercury
• Cyanide
• Arsenic
Correct Option: B  [ Mercury ]

Remark:

The weight of a body at the centre of the earth is:

• zero
• infinite
• same as at other places
• none of these
Correct Option: A  [ zero ]

Remark:

Anaemia is caused due to deficiency of:

• Iodine
• Iron
• Vitamin
• none of these
Correct Option: B  [ Iron ]

Remark:

If a sample of soil is found to have a pH value of 8.25, it is:

• acidic
• neutral
• alkaline
• None of the above
Correct Option: C  [ alkaline ]

Remark:

"Curie" is unit of:

• Radioactivity
• Temperature
• Heat
• Energy
Correct Option: A  [ Radioactivity ]

Remark: Curie (Ci): One of three units used to measure the intensity of radioactivity.
The original unit for measuring the amount of radioactivity was the curie (Ci)–first defined to correspond to one gram of radium-226.

Which of the following is/are not associated with the reduction of Greenhouse gases ?
i) Kigali Amendment to Montreal Protocol
ii) Stockholm convention
iii) Kyoto Protocol

• (ii) only
• (i) and (ii) only
• (i) and (iii) only
• (i), (ii) and (iii)
Correct Option: A  [ (ii) only ]

Remark: