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:

What does 'GM' stand for in GM food?

• Generally modified
• Genetically modified
• Genetically medicated
• None of these
Correct Option: B  [ Genetically modified ]

Remark:

"ELISA" test is employed to diagnose:

• Polio Virus
• AIDS antibodies
• Tuberculosis
• Cancer
Correct Option: B  [ AIDS antibodies ]

Remark: The assay used most widely to detect or diagnose virus infection, especially infection of blood borne viruses e.g. HBV, HCV, HIV and HTLV, is the enzyme linked immunosorbent assay (ELISA).

The rusting of the iron is the example of:

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

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.

A fuse wire has :

• high resistance and high melting point
• low resistance and high melting point
• low resistance and low melting point
• high resistance and low melting point
Correct Option: D  [ high resistance and low melting point ]

Remark:

Sericuluture is a rearing practice of :

• Fishes
• Silk worm
• Honey bees
• Earth worm
Correct Option: B  [ Silk worm ]

Remark:

What is 'Agent Orange' ?

• An insecticide
• A herbicide
• A fertiliser
• A biofertiliser
Correct Option: B  [ A herbicide ]

Remark:

Which of the following is the first calculating device ?

• Abacus
• Calculator
• Turing machine
• Pascaline
Correct Option: A  [ Abacus ]

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: