One of the constitutes of tear gas is:

• Ethane
• Ethanol
• Ether
• Chloropicrin
Correct Option: D  [ Chloropicrin ]

Remark:

Green leafy vegetable are rich source of :

• Citric acid
• Malic acid
• Folic acid
• none of these
Correct Option: C  [ Folic acid ]

Remark:

Angora wool is extracted from

• rabbit
• sheep
• fox
• goat
Correct Option: A  [ rabbit ]

Remark:

An F1 car is mostly made up of which material ?

• Plastic
• Carbon fibre
• Steel
• Aluminium
Correct Option: B  [ Carbon fibre ]

Remark:

India first atomic device was exploded in 1974 at:

• Bikaner
• Barmed
• Pokhran
• Jaisalmer
Correct Option: C  [ Pokhran ]

Remark: Pokhran is a city in Rajasthan

Which one of the following is a chemical change ?

• Burning of candle
• Melting of wax
• Vapourisation of water
• Magnetising of Iron
Correct Option: A  [ Burning of candle ]

Remark:

Kidney disease in man is caused by the pollutant

• Cadmium
• Iron
• Cobalt
• Carbon
Correct Option: A  [ Cadmium ]

Remark:

Most plants absorb nitrogen in the form of:

• proteins
• nitrates and nitrites
• urea
• nitrates, nitrites and urea
Correct Option: D  [ nitrates, nitrites and urea ]

Remark:

Which disease is caused by Nickel ?

• Itai Itai
• Dermatitis
• Learning Disability
• Asthma
Correct Option: B  [ Dermatitis ]

Remark:

Which of the following is the uppermost layer of the atmosphere?

• Stratosphere
• Mesosphere
• Ionosphere
• Exosphere
Correct Option: D  [ Exosphere ]

Remark: