Sound causes hazardous noise pollution at decibels:

• Above 50
• Above 80
• Above 100
• Above 130
Correct Option: B  [ Above 80 ]

Remark:

What is the full form of USB?

• Unlimited Service Band
• Unlimited Serial Bus
• Universal Serial Bus
• Unlimited Storage Bus
Correct Option: C  [ Universal Serial Bus ]

Remark:

The disease caused by Asbestos is

• Paralysis
• Dysentery
• Emphysema
• Diarrhea
Correct Option: C  [ Emphysema ]

Remark:

What is the dimensions of A4 size paper?

• 210 mm X 297 mm
• 217 mm X 290 mm
• 200 mm X 300 mm
• none of these
Correct Option: A  [ A4 measures 210mm x 297mm or 8.27inches x 11.69inches ]

Remark: Legal- 21.59mm X 35.56mm

Body temperature of a healthy human body is usually around:

• 98.4 ?
• 37 ?
• 14.5 ?
• 25 ?
Correct Option: B  [ 37 ? ]

Remark:

Entomology is the science that studies:

• The origin and history of technical and scientific terms.
• Insects
• The formation of Rocks
• Behavoiur of human beings
Correct Option: B  [ Insects ]

Remark:

Which is the correct order to show units from largest to smallest ?

• Millilitres, decilitre, lite
• Litre, decilitre, millilitre
• Decilitre, millilitre, litre
• Litre, millilitre, decilitre
Correct Option: B  [ Litre, decilitre, millilitre ]

Remark:

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:

Green Revolution is associated with:

• Agriculture
• Sericulture
• Fishery
• Cultivation of bees
Correct Option: A  [ Agriculture ]

Remark:

Which one of the following gases, present in the air near the surface of the Earth, has maximum concentrations?

• Oxygen
• Hydrogen
• Nitrogen
• Methane
Correct Option: C  [ Nitrogen ]

Remark: