🔬 Science & TechnologyUPSC 1998Space & Space Technology

Match the names of outstanding Indian scientists given in List I with area of their specialized work given in List II and select the correct answer by using the codes given below the lists: List- I List-IIA. Dr. Raja Ramanna1. Plant chemistryB. Dr. M.S. Swaminathan2. Nuclear physicsC. Prof. U.R Rao3. Thermodynamics & astrophysicsD. Prof. Meghnad Saha4. Space research5. Agricultural scienceCodes:

aA-3; B-5; C-2; D-1
bA-2; B-1; C-4; D-3
cA-2; B-5; C-4; D-3
dA-3; B-1; C-4; D-2
✓ Correct answer: c) A-2; B-5; C-4; D-3
ExplanationA is matched with 2: Dr. Raja Ramanna was a distinguished Indian physicist best known for his role in the development of India’s nuclear program, including the Pokhran-I nuclear test in 1974. B is matched with 5: Dr. Swaminathan is renowned for his contributions to the Green Revolution in India, which transformed the country into a self-sufficient food producer.His focus on developing high-yield and disease-resistant crop varieties, combined with sustainable agricultural practices, earned him global recognition in agricultural science.C is matched with 4: Prof. Udupi Ramachandra Rao was a visionary space scientist who led the design and launch of India’s first satellite, Aryabhata, in 1975. Also as the chairman of ISRO, he contributed significantly to advancing India’s space program.D is matched with 3: Prof. Meghnad Saha is celebrated for the Saha Ionization Equation, which explains the physical and chemical conditions in stars.He also made notable contributions to thermodynamics.312

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