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HomePYQPrelims Questions2018

2018 Practice Questions

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Year30 years
PYQ 2018Science And TechnologyGS1
Diff:Standard

'3D printing' has applications in which of the following?
1. Preparation of confectionery items
2. Manufacture of bionic ears
3. Automotive industry
4. Reconstructive surgeries
5. Data processing technologies
Select the correct answer using the code given below:

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PYQ 2018Science And TechnologyGS1
Diff:Standard

Consider the following statements:
1. The Earth's magnetic field has reversed every few hundred thousand years.
2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide.
3. When living organisms originated, they modified the early atmosphere of the Earth.
Which of the statements given above is/are correct?

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PYQ 2018Science And TechnologyGS1
Diff:Moderate

With reference to India’s satellite launch vehicles, consider the following statements:
1. PSLVs launch the satellite useful for Earth resources monitoring whereas GSLV are designed mainly to launch communication satellites.
2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth.
3. GSLV Mk III is a four staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines.
Which of the statements given above is/are correct?

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PYQ 2018Science And TechnologyGS1
Diff:Moderate

Consider the following statements:
1. Light is affected by gravity.
2. The Universe is constantly expanding.
3. Matter warps its surrounding space-time.
Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in the media?

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PYQ 2018Environment And EcologyGS1
Diff:Standard

Why is a plant called Prosopis juliflora often mentioned in the news?

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PYQ 2018Science And TechnologyGS1
Diff:Standard

When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to the office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly.
In the context of emerging communication techn-ologies, which one of the following terms best applies to the above scenario?

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PYQ 2018Science And TechnologyGS1
Diff:Standard

In which of the following areas can GPS technology be used?
1. Mobile phone operations
2. Banking operations
3. Controlling the power grids
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PYQ 2018Environment And EcologyGS1
Diff:Easy

In which one of the following States is Pakhui Wildlife Sanctuary located?

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PYQ 2018Science And TechnologyGS1
Diff:Standard

Consider the following
1. Birds
2. Dust blowing
3. Rain
4. Wind blowing
Which of the above spread plant diseases?

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PYQ 2018Environment And EcologyGS1
Diff:Easy

“Momentum for Change: Climate Neutral Now” is an initiative launched by

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