Which one is the hardest form of carbon ?

• Coke
• Graphite
• Diamond
• Charcoal
Correct Option: C  [ Diamond ]

Remark:

Volumetric method for determination of fat % of milk is:

• Waste fall balance
• Soxhlet method
• Richmond sliding method
• Garber method
Correct Option: D  [ Garber method ]

Remark:

Angle of friction and angle of repose are:

• equal to each other
• not equal to each other
• proportion to each other
• none of the above
Correct Option: A  [ equal to each other ]

Remark:

What makes a lemon sour?

• Tartaric acid
• Oxalic acid
• Citric acid
• Hydrochloric acid
Correct Option: C  [ Citric acid ]

Remark:

Which one of the following colours has longest wave length ?

• Green
• Yellow
• Red
• Blue
Correct Option: C  [ Red ]

Remark:

In medical terminology, USG stands for:

• Undersized gland
• Ultrasonography
• Unsegmented gonads
• None of the above
Correct Option: B  [ Ultrasonography ]

Remark:

Opium is derived from which part of poppy plant ?

• Seeds
• Leaves
• Bark
• Capsule
Correct Option: D  [ Capsule ]

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.

Which of the following compounds is used in fire extinguishers ?

• Sodium carbonate
• Sodium bicarbonate
• Sodium nitrate
• Sodium sulphate
Correct Option: B  [ Sodium bicarbonate ]

Remark:

The SI unit of temperature is

• Temperature
• Ampere
• Watt
• Kelvin
Correct Option: D  [ Kelvin ]

Remark: