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Solutions for Questions 21-30 UPSC Prelims Paper-I 2018
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Abhishek Srivastava is teaching live on Unacademy Plus

Abhishek Srivastava
GS faculty and subject matter expert | 4 yrs Teaching Exp.| HiStory, Geog. and Polity courses with interrelation, logic & chronology.

U
Unacademy user
very good nice quality work
santhal tenancy act was enacted after freedom , so it wont come under colonial government action as per the question. i guess answer is option a alone
Exactly,same thought.
Okay,now after going through some articles I found mentions of Santhal Parganas Tenancy Act,1876 where the 2nd option of non-transferability of land might have been included. After independence, Indian govt adopted the same.
This happens only at unacademy. Thank you for rolling out the answer key!
Q 23- art 356, option D also seems correct
Gitesh Aneja
a year ago
Yes i agree with you.
Da
Divya arora
a year ago
In fact that is the right answer..,, option D
I think GPS question will surprise us all..... because frankly speaking it can't control a power grid . It may spoof try backtracking ... Kali....and all but no can't control and surely this is never meant to mean as an application of gps(
GPS is used in mobile banking and someother banking apps
  1. UPSC CIVIL SERVICES EXAM 2018 Prelims Answer key Paper l 03.06.2018


  2. ABHISHEK SRIVASTAVA . UPSC CSE Category leader at Unacademy . Top educator with more than 3.8 mn views Appeared in UPSC CSE Mains twice . Qualified SSC CGL, IBPS PO, IIT JEE . GS Faculty- Geog,History, AnC Polity and Economics . Crash courses Modern, Ancient & Medieval History,Polity Geography important topics . . uncadem Plus Courses: Comprehensive module of Ancient, Medieval and Modern History .


  3. Prelims Answer key Paper SET B


  4. Q.21. After the Santhal uprising subsided, what was/were the measure/measures taken by the colonial government? 1. The territories called Santhal Parganas' were created 2. It became illegal for a Santhal to transfer land to a non-Santhal Select the correct answer using the code given below: a) 1 only b) 2 only c) Both 1 and 2 d) Neither 1 nor2


  5. Solution C Both are correct statements. After Santhal rebellion,the British realised that the Santhals had to be kept in good humour and their reasonable demands met if the Govt. wanted to rule ever this area. A separate district was created by Act XXXVIl of 1855 and it was given the name of Santhal Pargana, perhaps to appease the Santhals. Steps were taken to redress the grievances of the Santhals and to give them a homeland with a sense of security. Later on, Santhal Parganas Tenancy Act 1949 was enacted after independence for the safety and special identity of this area. According to section 20 of SPT Act 1949, no transfer by a raiyat of his right in his holding or among person thereof, by sale, gift, mortgage, will, lease or any other contract or agreement empress or employed shall be valid


  6. Q.22. Economically, one of the results of the British rule in India in the 19th century was the a) b) c) d) Increase in the export of Indian handicrafts Growth in the number of Indian owned factories Commercialization of Indian agriculture Rapid increase in the urban population


  7. Solution C Option C is the correct answer. The Commercialisation of Agriculture, was the most direct result of the British agricultural and economic policies.


  8. Q.23. If the President of India exercises his power as provided under Article 356 of the Constitution in respect of a particular State then The Assembly of the State is automatically dissolved The powers of the legislature of that State shall be exercisable by or under the authority of the Parliament Article 19 is suspended in that State The President can make laws relating to that State a) b) c) d)


  9. Solution B The 2nd option is correct. On the exercise of Article 356, the President would assume to himself all or any of the functions of the Government of the State and all or any of the powers vested in or exercisable by the Governor or any body or authority in the State other than the Legislature of the State. Thus, he assumes only executive functions. Further, under Article 356 of the Constitution, the powers of the Legislature of that particular State shall be exercisable by or under the authority of Parliament. Thus, B is the correct answer


  10. Q.24. Consider the following pairs: Craft Heritage of Tamil Nadu 1 Pithukuli Shawls 2 Sujni embroidery 3 Uppada jamdani saris Which of the pairs given above is/are correct? Maharashtra Karnataka a) 1 only b) 1 and2 c) 3 only d) 2 and3


  11. Solution A The 1st pair is matched correctly only. Sujani is a form of embroidery originating from the Bhusura village of Bihar in India. Uppada Jamdani Sari is a silk sari style woven in Uppada of East Godavari district of Andhra Pradesh. Hence, 2nd and 3rd both pairs are matched incorrectly. Thus, A is the correct answer.


  12. Q. 25. In which of the following areas can GPS technology be used? 1. 2. 3. Mobile phone operations Banking operations Controlling the power grids Select the correct answer using the code given below a) b) c) d) 1 only 2 and 3 only 1 and 3 only 1,2 and 3


  13. Q. 26 Consider the following statements: 1. The Reserve Bank of India manages and services Government of India securities but not any State Government Securities 2. Treasury bills are issued by the Government of India and there are no treasury bills 3. Treasury bills offer are issued at a discount from the par value Which of the statements given above is/are correct? issued by the State Governments A. B. C. D. 1 and 2 only 3 only 2 and 3 only 1, 2 and 3


  14. Solution C Only the 1st and 3rd statements are correct. The Earth's magnetic field has reversed every few hundred thousand years. The 2nd statement is incorrect. The early atmosphere was probably mostly carbon dioxide with little or no oxygen. As the living organisms started appearing, the atmospheric also also started changing. The proportion of oxygen went up mainly because of photosynthesis by plants The proportion of carbon dioxide went down because: It was locked up in sedimentary rocks, such as limestone, and in fossil fuels. It was absorbed by plants for photosynthesis It dissolved in the oceans. Source http://www.bbc.co.uk/schools/gcsebitesize/science/aga pre 2011/oils/changesrev7.shtml


  15. Solution C All the mentioned names in the question are examples of one or other kind of Cyberattacks WannaCry: WannaCry is a ransomware worm that spread rapidly through across a number of computer networks in May of 2017 Petya: Petya was also a malware that affected thousands of computers worldwide in 2016 and 2017. EternalBlue: EternalBlue is the name given to a software vulnerability in Microsoft's Windows operating system. e .


  16. Q. 29 With reference to the circumstances in Indian agriculture, the concept of Conservation Agriculture' assumes significance. Which of the following fall under the Conservation Agriculture? 1. Avoiding the monoculture practices 2. Adopting minimum tillage 3. Avoiding the cultivation of plantation crops 4. Using crop residues to cover soil surface 5. Adopting spatial and temporal crop sequencing/crop rotation:s 5. Adopting spr surface Select the correct answer using the code given below: A. B. C. D. 1, 3, and 4 2, 3, 4 and 5 2,4 and 5 1, 2, 3 and 5


  17. Solution C Only the 2nd, 4th and 5th statements are relevant with respect to 'Conservation of Agriculture' Conservation Agriculture (CA) is a set of soil management practices that minimize the disruption of the soil's structure, composition and natural biodiversity. Adopting minimum tillage would reduce soil erosion and soil degradation. Using crop residues to cover soil surface is mainly practice to conserve the moisture present in the soil and also to reduce wind soil erosion. Adopting spatial and temporal crop sequencing/crop rotations would balance the nutrients in the soil. Hence, C is the correct answer. http://www.fao.org/conservation-agriculture/en/


  18. Q. 30 The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of Widespread monoculture practices in agriculture and large scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems Fears of a possible collision of a meteorite with the earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs Large scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity Mankind's over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change. A. B. C. D.