PRELMS PRACTICE WORKBOOK PYQ VOL 3.Indb
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PRELIMS PRACTICE WORKBBOK PRELIMS GS (PAPER I) The Prelims workbook is a novel concept brought to you by GS SCORE for aiding your preparation and helping you achieve ‘the IAS dream’. The Workbooks contain sets of questions along with their answers and explanations to help students practice at their convenience. There are 3 Workbooks (Volume 1, 2 & 3) available to all the students for the preparation of the Preliminary examination. Workbook Volume 1: (NCERT Based Practice Questions) It will helps aspirants to cover all the basic concepts from NCERT through MCQs of this booklet. Workbook Volume 2: (Advanced Level Practice Questions) It covers all the standard reference books. MCQs of this booklet will be analytical in nature and will include all advanced level concepts. Workbook Volume 3: (Previous Year Questions) Aspirants can also download Workbook Volume-3 (Previous Year Questions with Answers and Explanation) from our offi cial website: www.iasscore.in All booklets are categorized subject-wise for the benefi t and convenience of the students. This categorization will also help the students practice the questions based on the topics they are studying without having to search for them from a huge compilation of uncategorized notes in the market. What is the signifi cance of the practicing Previous Year Questions? It will help students to understand the real demand of a question and arrive at a conclusion in a limited time. By practicing PYQs, the students can understand their accuracy level. This would prepared them to understand their safe attempts (number of MCQs) to qualify prelims. The students can analyze the areas where they are strong and weak and can put extra effort on the sections in the areas where they are weak. Subject-Wise Analysis of previous years Civil Services Preliminary Examinations General Current YEAR GEO. ENVIR. HISTORY POLITY ECO. Science AFFAIRS 2010 21 10 17 14 30 26 8 201111151112191913 2012 12 12 17 11 13 9 26 2013 9 13 11 13 15 11 28 2014 12 17 17 11 10 13 20 2015 14 10 14 13 13 7 29 2016 7 18 15 7 18 8 27 2017 7 11 14 22 8 4 34 2018 8 13 15 13 16 7 28 2019 14 11 17 15 14 7 22 PRELIMS PRACTICE WORKBOOK VOL-3 CONTENTS 1. Geography ................................................................................01-29 2. Environment .............................................................................30-77 3. History .....................................................................................78-112 4. Polity ......................................................................................113-153 5. Economy ...............................................................................154-183 6. General Science ...................................................................184-200 ********** GEOGRAPHY PREVIOUS YEAR QUESTIONS GEOMORPHOLOGY 1. On 21st June, the Sun (a) The earth’s rotation on its axis (a) Does not set below the horizon at the Arctic (b) The earth’s revolution around the sun in an Circle elliptical manner (b) Does not set below the horizon at Antarctic Circle (c) Latitudinal position of the place (c) Shines vertically overhead at noon on the (d) Revolution of the earth on a tilted axis Equator (d) Shines vertically overhead at the Tropic of 5. On the planet earth, most of the freshwater exists Capricorn as ice caps and glaciers. Out of the remaining freshwater, the largest proportion: 2. The term “Sixth mass extinction/ sixth extinction is often mentioned in the news in the context of the (a) is found in the atmosphere as moisture and discussion of clouds (a) Widespread monoculture practices in agriculture (b) is found in freshwater lakes and rivers and large-scale commercial farming with (c) exists as groundwater indiscriminate use of chemicals in many parts of the world that may result in the loss of good (d) exists as soil moisture native ecosystems. 6. Consider the following: (b) Fears of a possible collision of a meteorite with the Earth in the near future in the manner it 1. Electromagnetic radiation happened 65 million years ago that caused the 2. Geothermal energy mass extinction of many species including those of dinosaurs. 3. Gravitational force 4. Plate movements (c) Large scale cultivation of genetically modifi ed crops in many parts of the world and promoting 5. Rotation of the earth their cultivation in other parts of the world which 6. Revolution of the earth may cause the disappearance of good native crop plants and the loss of food biodiversity. Which of the above are responsible for bringing dynamic changes on the surface of the earth? (d) Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, (a) 1, 2, 3 and 4 only destruction of ecosystems, pollution and global (b) 1, 3, 5 and 6 only climate change. (c) 2, 4, 5 and 6 only 3. Which of the following phenomena might have (d) 1, 2, 3, 4, 5 and 6 infl uenced the evolution of organisms? 1. Continental drift 7. Which one of the following sets of elements was 2. Glacial cycles primarily responsible for the origin of life on the Select the correct option using the code given below: Earth? (a) Only 1 (c) Both 1 and 2 (a) Hydrogen, Oxygen, Sodium (b) Only 2 (d) Neither 1 nor 2 (b) Carbon, Hydrogen, Nitrogen (c) Oxygen, Calcium, Phosphorous 4. Variations in the length of daytime and night time from season to season are due to: (d) Carbon, Hydrogen, Potassium 1 GS PRELIMS PAPER - 1 | WORKBOOK www.iasscore.in 8. A person stood alone in a desert on a dark night 9. From the point of view of evolution of living and wanted to reach his village which was situated organisms, which one of the following is the correct 5km east of the point where he was standing .He had no instruments to fi nd the direction but he sequence of evolution? located the polestar, the most convenient way now to reach his village is to walk in the (a) Otter – Tortoise – Shark (a) facing the polestar (b) Shark – Tortoise – Otter (b) opposite to the polestar (c) Tortoise – Shark – Otter (c) keeping the polestar to his left (d) keeping the polestar to his right (d) Shark – Otter – Trotoise OCEANOGRAPHY 1. What explains the eastward fl ow of the equatorial 4. The cloud seeding and formation of clouds will counter-current? be adversely affected (a) The Earth’s rotation on its axis Which of the statements are correct? (b) The convergence of the two equatorial currents (a) 1, 2 and 3 only (c) The difference in salinity of water (b) 2 only (d) The occurrence of the belt of calm near the equator (c) 1 and 3 only 2. Tides occur in the oceans and seas due to which (d) 1, 2, 3 and 4 among the following? 1. The gravitational force of the Sun 5. Consider the following factors: 2. The gravitational force of the Moon 1. Rotation of the Earth 3. The centrifugal force of the Earth 2. Air pressure and wind Select the correct option using the code given below: 3. Density of ocean water (a) 1 Only (c) 1 and 3 only 4. Revolution of the Earth (b) 2 and 3 only (d) 1, 2 and 3 Which of the above factors infl uence the ocean 3. The most important fi shing grounds of the world currents? are found in the regions where (a) 1 and 2 only (c) 1 and 4 only (a) warm and cold atmospheric currents meet (b) (b) rivers drain out large amounts of freshwater into 1, 2 and 3 only (d) 2, 3 and 4 only the sea 6. Consider the following statements: (c) warm and cold oceanic currents meet 1. On the planet Earth, the freshwater available for (d) continental shelf is undulating use amounts to about less than 1% of the total 4. The acidifi cation of oceans is increasing. why is water found. this phenomenon a cause of concern? 2. Of the total freshwater found on the planet Earth 1. The growth and survival of calcareous phytoplankton will be adversely affected 95 % is bound up in polar ice caps and glaciers. 2. The growth and survival of coral reefs will be Which of the statements given above is/are correct? adversely affected (a) Only 1 (c) Both 1 and 2 3. The survival of some animals that have phytoplankton larvae will be adversely affected (b) Only 2 (d) Neither 1 nor 2 2 www.iasscore.in GS PRELIMS PAPER - 1 | WORKBOOK CLIMATOLOGY 1. Why are dewdrops not formed on a cloudy night? 6. The seasonal reversal of winds is the typical (a) Clouds absorb the radiation released from the characteristic of Earth’s surface. (a) Equatorial climate (b) Clouds refl ect back the Earth’s radiation. (b) Mediterranean climate (c) The Earth’s surface would have low temperature (c) Monsoon climate on cloudy nights. (d) All of the above climates (d) Clouds defl ect the blowing wind to ground level. 7. Which of the following is/are unique 2. With reference to ‘Indian Ocean Dipole (IOD)’, characteristics/characteristics of equatorial sometimes mentioned in the news while forecasting forests? Indian monsoon, which of the following statements 1. Presence of tall, closely set trees with crowns is/are correct? forming a continuous canopy. 1. IOD phenomenon is characterized by a difference 2. Coexistence of a large number of species in sea surface temperature between tropical Western Indian Ocean and tropical Eastern 3. Presence of numerous varieties of epiphytes Pacifi c Ocean. Select the correct option using the code given below: 2. An IOD phenomenon can infl uence an El Nino’s (a) 1 only (c) 1 and 3 only impact on the monsoon. (b) 2 and 3 only (d) 1, 2 and 3 Select the correct Option using the code given below: (a) Only 1 (c) Both 1 and 2 8.