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1. Which among the following statements is true regarding International Date line ?a) It is 180° Longitudeb) It is a straight linec) It is a big circled) It is a curved line beyond earth 2. The sunlight is available 24 hours on the longest day at which of the following latitudes of the earth ?a) …
Read moreOAS Prelims-2020 Daily Practice Set-22/01/2021: Physical Geography
1. A federal structure for India was first put forward by the:a) Act of 1861b) Act of 1909c) Act of 1919d) Act of 1935 2. When was our National Anthem first sung and where ?a) 24th January, 1950 in Allahabadb) 24th January, 1950 in Delhic) 26th December, 1942 in Calcuttad) 27th December, 1911 in Calcutta …
Read moreOAS Prelims-2020 Daily Practice Set-21/01/2021: Indian Polity
1. Why the needle of iron swims on water surface when it is kept gently ?a) It will remain under the water, when it will displace more water than its weightb) the density of needle is less than that of waterc) due to surface tensiond) due to its shape 2. The mass of a star …
Read moreOAS Prelims-2020 Daily Practice Set-20/01/2021: Physics
1. What is the limit of MG/DL of blood sugar in the normal per son at the time of fast ?a) 40-60b) 120-150c) 70-100d) 160-200 2. The cross-section of a stem of tree has fifty rings, what is the age of the tree ?a) 50 monthsb) 5 yearsc) 25 yearsd) 50 years 3. Onion is …
Read moreOAS Prelims-2020 Daily Practice Set-14/01/2021: Biology
1. Who invented optical fibre?a) Samuel Cohenb) Narinder Kapanyc) Percy L.Spencerd) T.H. Maimah 2. Who invented Radar?a) J. H. Van Tasselb) Wilhelm K. Roentgenc) P. T. Farnsworthd) A. H. Taylor and Leo C. Young 3. Who produced the first automobile ?a) Gottleib Daimlerb) Henry Fordc) Rudolf Dieseld) Karl Benz 4. Who was associated with the …
Read moreOAS Prelims-2020 Daily Practice Set-12/01/2021: Discoveries and Inventions