UPSC Prelims Marathon 2nd May – Other Technological developments in science – 2024

Which of the following are the characteristic features of viruses?
1.They are not affected by antibiotics.
2.They depend upon specific hosts for their reproduction and development.
3.Viruses are without protoplasm.
4.They contain only DNA and not RNA.
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Which of the following statements is/are correct with respect to bioprospecting?
1.It is the organization and analysis of biological data by computational techniques.
2.Bioprospecting activities must comply with the definition of utilization of genetic resources of the Nagoya Protocol.
3.It promotes technology and knowledge transfer among countries along with foreign direct investment.
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Which of the following programmes initiated by the Ministry of Earth Sciences is/are correct?
1.National Monsoon Mission – to improve prediction of temperature, rainfall and extreme weather events on short to medium range time scale.
2.ORV Sagar Nidhi – to carry out monsoon experiments and know ocean processes in deep sea basins of Andamans.
3.SARAT – to carry out search and rescue to minimize loss of life, injury and property damage.
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Which of the following statements is/are correct with respect to different types of nuclear reactors?
1.Sodium Cooled Fast Reactor: In this Sodium coolant is reactive with air and water thus, leaks in the pipes may result in sodium fires.
2.Pressurized Water Reactor: It uses regular old water as a coolant in which cooling water is kept at very high pressure, so it does not boil.
3.Boiling Water Reactor: It can be refueled while operating, keeping capacity factors high.
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LCA Tejas is built from Carbon-Fiber Composite (CFC) materials. Which of the following is/are the characteristic feature of CFC materials?
1.High strength to weight ratio
2.Low thermal conductivity
3.Ablation resistance
4.Little sensitivity to thermal shock and mechanical shock
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Which of the statements given above is/are true regarding awards related to Science and Technology?
1.India Science Award is the highest and the most prestigious national recognition by the Government of India for outstanding contribution to science.
2.Contribution to the Science and Technology field is honored by the Kalinga awards given by UNESCO.
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“Rapidly rotating stars would emit polarized light” this theory is given by:

Which of the following is not the fissile material?