Which of the following institute has indigenously developed Oxygen enrichment technology? A. IIT Delhi B. IIT Bombay C. IIT Madras D. CSIR-CMERI Durgapur Explanation: CSIR-CMERI, Durgapur, in association with MSME-DI, Raipur, Chhattisgarh, Government of India jointly organised a Webinar on ‘Oxygen Enrichment’ Technology on 25th April, 2021. The Central Mechanical Engineering Research Institute (also known […]

Which of the following statements is/are correct with reference to the “herd immunity”? A. It is the indirect protection from an infectious disease that happens when immunity develops in a population either through vaccination or through previous infection. B. It exists when individuals who are not immune, but live in a community with a high

Which of the following countries are located in Sahel region? A. Central African Republic B. Niger C. Eritrea D. All of these Explanation: Chad’s longest serving president Idriss Déby recently passed away of injuries sustained during clashes with the rebel group FACT (Front for Change and Concord in Chad) on the frontlines. The Sahel part

Which of the following laboratory of DRDO developed single crystal blades technology? A. Defence Research & Development Laboratory B. Defence Metallurgical Research Laboratory C. Defence Food Research Laboratory D. Defence Electronics Application Laboratory Explanation: Defence Research and Development Organisation (DRDO) has developed single crystal blades technology and supplied 60 of these blades to Hindustan Aeronautics