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Most Probable Questions for IAS Prelims - Qns for 30-06-2020
Qn.1) GRACE-FO mission, often seen in the news is an initiative of
(a) ROSCOSMOS
(b) SpaceX
(c) NASA
(d) JAXA
Ans: (c) NASA
Learning Zone: It was launched in March of 2002, and was a second mission under the NASA Earth System Science Pathfinder (ESSP) Program.
Aim of the GRACE mission was accurately mapping variations in Earth’s gravity field.
GRACE consists of two identical spacecraft that fly about 220 kilometers apart in a polar orbit 500 kilometers above Earth.
GRACE maps Earth’s gravity field by making accurate measurements of the distance between the two satellites, using GPS and a microwave ranging system.
Why is this question important? New satellite-based, weekly global maps of soil moisture and groundwater wetness conditions were developed by US space agency National Aeronautics and Space Administration (NASA) and the University of Nebraska-Lincoln (UNL) on March 31, 2020.
Data available from NASA and German Research Center for Geosciences’ Gravity Recovery and Climate Experiment Follow On (GRACE-FO) satellites was used to derive these global maps.
Qn.2) Operation Sanjeevani, recently seen in the news is a:
(a) Mission of Indian Navy to help Srilanka with medicines.
(b) Mission of Indian Airforce to help Maldivies with medicines.
(c) Mission by Govt. of India to increase the availability of Hydroxychloroquine drug.
(d) Mission to increase the production of PPE kits in India.
Ans: (b) Mission of Indian Airforce to help Maldives with medicines.
Learning Zone: An Indian Air Force (IAF) C-130J transport aircraft recently delivered 6.2 tonne of essential medicines and hospital consumables to the Maldives under Operation Sanjeevani.
Among other things, these medicines include influenza vaccines, anti-viral drugs such as lopinavir and ritonavir — which have been used to treat patients with COVID-19 in other countries.
Why is this question important? It is a recent initiative.
Qn.3) Bacillus Calmette-Guerin (BCG) vaccination, is a vaccine primarily used against:
(a) Polio
(b) Tuberculosis
(c) Leprosy
(d) Smallpox
Ans: (b) Tuberculosis
Learning Zone: Bacillus Calmette–GuĂ©rin (BCG) vaccine is a vaccine primarily used against tuberculosis (TB).
In countries where TB or leprosy is common, one dose is recommended in healthy babies as close to the time of birth as possible.
In areas where tuberculosis is not common, only children at high risk are typically immunized, while suspected cases of tuberculosis are individually tested for and treated.
Why is this question important? According to US-based research, a combination of reduced morbidity and mortality could make the Bacillus Calmette-Guerin (BCG) vaccination a “game-changer” in the fight against novel coronavirus.
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