General Knowledge Question Answer: Science And Technology GK Questions and Answers

General Knowledge Science And Technology Questions, Science And Technology Quiz for Competitive Exams, Important Science And Technology MCQs for GK

Q. With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements :
1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
2. IRNSS covers entire India and about 5500 sq. km beyond its borders.
3. India will have its own satellite navigation system with full global coverage by the middle of 2019.
Which of the statements given above is/ are correct ?

1) 1 only
2) 1 and 2 only
3) 2 and 3 only
4) None of the above

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Q. What is/ are the consequence/ consequences of a country becoming the member of the 'Nuclear Suppliers Group' ?
1. It will have access to the latest and most efficient nuclear technologies.
2. It automatically becomes a member of "The Treaty on the Non-Proliferation of Nuclear Weapons (NPT)".
Which of the statements given above is/ are correct ?

1) 1 only
2) 2 only
3) Both 1 and 2
4) Neither 1 nor 2

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Q. In the Indian context, what is the implication or ratifying the 'Additional Protocol' with the 'International Atomic Energy Agency (IAEA)' ?
1) The civilian nuclear reactors come under IAEA safeguards
2) The military nuclear installations come under the inspection of IAEA
3) The country will have the privilege to buy uranium from the Nuclear Suppliers Group (NSG)
4) The country automatically becomes a member of the NSG

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Q. Which of the following statements best describes 'carbon fertilization' ?
1) Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
2) Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
3) Adaptation of all living beings on Earth to the climate change brought about by the increased concentration of carbon dioxide in the atmosphere
4) Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere

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Q. With reference to India's satellite launch vehicles, consider the following statements :
1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs 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 ?

1) 1 only
2) 2 and 3
3) 1 and 2
4) 3 only

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Q. At what temperature (in Fahrenheit) pure water freezes ?
1) 32
2) 0
3) 48
4) 37

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Q. In which graphics, digital photos and scanned images are typically stored with extensions such as .bmp, .png, .jpg, .tif or. gif ?
1) Bitmap
2) Pixels
3) Plane
4) Both Bitmap and Pixels

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Q. Which of the following metal (shown by its symbol) is generally used for making filaments of bulb ?
1) Fe
2) An
3) Ag
4) W

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Q. '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 :

1) 1, 3 and 4 only
2) 2, 3 and 5 only
3) 1 and 4 only
4) 1, 2, 3, 4 and 3

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Q. In which of the following areas can GPS technology be used ?
1. Mobile phone operations
2. Banking operations
3. Controlling the power grids
Select the correct answer using the code given below :

1) 1 only
2) 2 and 3 only
3) 1 and 3 only
4) 1, 2 and 3

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