In your opinion which of the following is due to ozone hole ?

• Increased UV radiation
• Acid rain
• Global warming
• Greenhouse effect
Correct Option: A  [ Increased UV radiation ]

Remark:

The art and science of map making is called:

• remote sensing
• cartography
• photogrammetry
• mapping
Correct Option: B  [ cartography ]

Remark:

Yellow revolution is related to:

• cereals
• oilseeds
• milk
• none of these
Correct Option: B  [ oilseeds ]

Remark:

Which of the following metals is the most ductile metal?

• Gold
• Aluminium
• Copper
• Tin
Correct Option: A  [ Gold ]

Remark:

Nitrogen is an essential constituent of all:

• Carbohydrates
• Fats
• Proteins
• Vitamins
Correct Option: C  [ Proteins ]

Remark:

The addition of gypsum to Portland cement helps in:

• increasing the strength of cement
• rapid setting of cement
• preventing rapid setting of cement
• reducing in the cost of cement
Correct Option: C  [ preventing rapid setting of cement ]

Remark:

In medical terminology, USG stands for:

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

Remark:

What is the full form of LAN?

• Line Area Network
• Linear Area Network
• Local Area Network
• Land Area Network
Correct Option: C  [ Local Area Network ]

Remark:

When an iron nail gets rusted, iron oxide is formed.

• without any change in the weight of the nail.
• with decrease in the weight of the nail.
• with increase in the weight of the nail.
• without any change in colour or weight of the nail.
Correct Option: C  [ with increase in the weight of the nail. ]

Remark: Rust is composed of iron oxide, which forms as a result of the reaction between iron, oxygen, and water.

Which of the following is not a renewable source of energy ?

• Natural gas
• Geothermal energy
• Flowing water
• Biomass
Correct Option: A  [ Natural gas ]

Remark: