How is science interwoven deeply with our lives? What are the striking changes in agriculture triggered off by the science-based technologies? (Answer in 150 words)10

COVID-19 pandemic has caused unprecedented devastation worldwide. However, technological advancements are being availed readily to win over the crisis. Give an account of how technology was sought to aid management of the pandemic. (Answer in 250 words) 15

Give an account of the growth and development of nuclear science and technology in India. What is the advantage of fast breeder reactor programme in India? (2017)

What do you understand by Umpire Decision Review System in Cricket? Discuss its various components. Explain how silicone tape on the edge of a bat may fool the system ? (200 words) 10

What is a digital signature? What does its authentication mean? Give various salient built-in features of a digital signature. (100 words)5

How does the 3D printing technology work? List out the advantages and disadvantages of the technology. (100 words) 5

What is an FRP composite material? How are they manufactured? Discuss their applications in aviation and automobile industries. (100 words) 5