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| Name | UPSC IAS Prelims GS Paper 1 - 2021 Solutions, Answer Key & Explanations (Q. 41 to 60) Part 3 of 5 |
| Video Uploader | Video From Examrace (UPSC, NET, NCERT, ICSE ...) |
| Upload Date | This Video Uploaded At 10-10-2021 11:45:42 |
| Video Discription | For complete solutions - https://www.doorsteptutor.com/Exams/IAS/Prelims/ For GS and Optional for Mains visit - https://www.doorsteptutor.com/Exams/IAS/Mains/ Study material - https://www.examrace.com/IAS/IAS-FlexiPrep-Program/Postal-Courses/ Geography Optional Course - https://www.doorsteptutor.com/Exams/IAS/Mains/Optional/Geography/Online-Crash-Course/ Daily GK News @ Examrace: https://www.examrace.com/Current-Affairs/ Practice questions, complete notes for exam preparation @ https://www.doorsteptutor.com/ Lectures on Various Subjects like Science, Social Studies and Humanities subscribe https://www.youtube.com/c/TestPrep/ Examrace Lectures in Hindi subscribe https://www.youtube.com/c/ExamraceHindi/ For kids videos nursery to Class 5 subscribe https://www.youtube.com/c/FunProf/ For Science (Physics, Chemistry, Biology and Mathematics) Class 11-12 and important topics subscribe https://www.youtube.com/c/DoorstepTutor/ Also visit NCERT Solutions, NIOS @ https://www.flexiprep.com/ IGCSE, A & AS Level @ https://www.examtestprep.com/ 41. Which one of the following is used in preparing a natural mosquito repellent? (a) Congress grass (b) Elephant grass (c) Lemongrass (d) Nut grass 42. Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans? A. 1 and 2 B. 2 and 3 C. 3 and 4 D. 1 and 4 43. Consider the following animals: 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators, which of the above organism rolls up/roll up and protects/protect its/their vulnerable parts? (a) 1 and 2 (b) 2 only (c) 3 only. (d) 1 and 3 44. With reference to the ‘New York Declaration on Forests’, which of the following statements are correct? 1. It was first endorsed at the United Nations Climate Summit in 2014. 2. It endorses a global timeline to end the loss of forests. 3. It is a legally binding international declaration. 4. It is endorsed by governments big companies and indigenous communities. 5. India was one of the signatories at its inceptions Select the correct answer using the code given below. A. 1, 2 and 4 B. 1, 3 and 5 C. 3 and 4 D. 2 and 5 45. Magnetite particles suspected to cause neurodegenerative problems are generated as environmental pollutants from which of the following? 1. Brakes of motor vehicles 2. Engines of motor vehicles 3. Microwave stoves within homes 4. Power plants 5. Telephone lines Select the correct answer using the code given below. (a) 1, 2, 3 and 5 only (b) 1, 2 and 4 only (c) 3, 4 and 5 only (d) 1, 2, 3, 4 and 5 46. Which one of the following is a filter feeder? (a) Catfish (b) Octopus (c) Oyster (d) Pelican 47. In case of which one of the following biogeochemical cycles the weathering of rocks is the main source of release of nutrient to enter the cycle? (a) Carbon cycle (b) Nitrogen cycle (c) Phosphorus cycle (d) Sulphur cycle 48. Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below. (a) 1, 2 and 4 only (b) 2, 3, 4 and 5 only (c) 1, 3 and 5 only (d) 1, 2, 3, 4 and 5 49. The ‘Common Carbon Metric’, supported by UNEP, has been developed for (a) assessing the carbon footprint of building operations around the world (b) enabling commercial farming entities around the world to enter carbon emission trading (c) enabling governments to assess the overall carbon footprint caused by their countries (d) assessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time 50. Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa 51. Under the Indian Constitution, concentration of wealth violates (A) the Right to Equality (b) the Directive Principles of State policy (c) the Right to Freedom (d) the Concept of Welfare 52. What is the position of the right to property in India? (a) Legal right available to citizens only (b) Legal right available to any person (c) Fundamental Right available to citizens only (d) Neither Fundamental Right nor legal right 53. What was the exact constitutional status of India on 26th January, 1950? (a) A Democratic Republic (b) A Sovereign Democratic Republic (c) A Sovereign Secular Democratic Republic (d) A Sovereign Socialist Secular Democratic Republic ias csat, ias prelims, ias prelims questions, how to prepare for ias prelims, ias prelims 2022, upsc prelims by examrace, examrace upsc, upsc prelims 2023, best preparation strategy for upsc, ias gs paper 1, ias csat english passages, how to solve reading passage for ias gs, qualify ias gs, ias gs paper 1, doorsteptutor video lectures for ias gs, upsc gs, best gs preparation, gs video lectures #examrace #upsc #ugcnet |
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