nda 1 2020 paper solution

UPSC conduct the NDA (National Defence Academy) I Exam – 2020. NDA I 2020 Paper held on 06 September 2020. This paper is General Aptitude Test Part B. NDA (I) 2020 General Aptitude Test Answer Key available here.

Exam  – NDA (I) 2020
Organized by – UPSC
Subject – General Aptitude Test
Booklet – C
Date of Exam – 06 – September – 2020 

Read Also

• NDA (I & II) 2020 Exam Paper GAT Part (A) Question 01 – 50
• NDA (I & II) 2020 Exam Paper GAT Part (B) Question 51 – 150 in Hindi

NDA (I) 2020 Exam Paper (Answer Key)
General Aptitude Test  (Part – B)

51. Chalk and marble are different forms of
(a) Calcium hydrogen carbonate
(b) Calcium carbonate
(c) Calcium acetate
(d) Sodium carbonate

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52. The number of maximum electrons in N Shell is
(a) 2
(b) 8
(c) 18
(d) 32

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53. Vinegar is also known as
(a) ethanoic acid
(b) nitric acid
(c) sulphuric acid
(d) tartaric acid

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54. A liquid is kept in a glass beaker. Which one of the following statements is correct regarding the pressure exerted by the liquid column at the base of the beaker?
(a) The pressure depends on the area of the base of the beaker
(b) The pressure depends on the height of liquid column
(c) The pressure does not depend on the density of the liquid
(d) The pressure neither depends on the area of the base of the beaker nor on the height of liquid column

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55. Which of the following statements is NOT correct regarding the travel of sound waves ?
(a) Sound waves can travel through water
(b) Sound waves can travel through air
(c) Sound waves can travel through steel
(d) Sound waves can travel through vacuum

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56. Deendayal Port is located at
(a) Kerala
(b) Gujarat
(c) Maharashtra
(d) Goa

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57. Which one of the following cities is associated with Bio-safety Protocol to the Convention on Biological Diversity (2000)?
(a) Geneva
(b) Nairobi
(c) Cartagena
(d) Rio de Janeiro

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58. Krishna Raja Sagara Dam/Reservoir is developed on
(a) river Krishna
(b) river Tungabhadra
(c) river Godavari
(d) river Kavery

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59. Which one of the following Indian states does NOT share international border with two or more countries ?
(a) Arunachal Pradesh
(b) Assam
(c) Mizoram
(d) Tripura

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60. According to Census of India, 2011, which one among the following is the least populated state in India ?
(a) Maharashtra
(b) Madhya Pradesh
(c) Odisha
(d) Punjab

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61. The speakers of major Indian languages belong to how many language families?
(a) Two
(b) Three
(c) Four
(d) Six

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62. Where did Gandhiji initially forge the techniques of Satyagraha ?
(a) England
(b) South Africa
(c) North Africa
(d) India

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63. Who was the Viceroy of India at the time of Gandhiji’s Dandi march?
(a) Lord Irwin
(b) Lord Linlithgow
(c) Lord Reading
(d) Lord Willingdon

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64. Which one among the following American newsmagazines was highly sceptical of Gandhiji’s Dandi march initially but within a week completely changed its opinion and saluted him as a Saint and Statesman ?
(a) Saturday Evening Post
(b) Readers Digest
(c) Time
(d) Life

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65. In which of the following years were passenger trains introduced in England ?
(a) 1823
(b) 1825
(c) 1848
(d) 1861

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66. In an incandescent electric bulb, the filament of the bulb is made up of which metal ?
(a) Aluminium
(b) Copper
(c) Tungsten
(d) Silver

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67. Two equal resistors R are connected in parallel, and a battery of 12 V is connected across this combination. A dc current of 100 mA flows through the circuit as shown below:

The value of R is
(a) 120 ᘯ
(b) 240 ᘯ
(C) 60 ᘯ
(d) 100 ᘯ

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68. Which one of the following is NOT the unit of energy?
(a) Joule
(b) Watt-hr
(c) Newton-metre
(d) kg-metre/sec²

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69. Which one of the following statements is NOT correct?
(a) Biomass is a renewable source of energy
(b) Gobar gas is produced when cow dung, crop residues, vegetable waste and sewage are allowed to decompose in the absence of oxygen
(C) Biogas generation reduces soil and water pollution
(d) Heating capacity of biogas is very low

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70. In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
(a) Nucleic acid
(b) Nucleoid
(c) Nucleolus
(d) Nucleosome

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UPSC conduct the NDA (National Defence Academy) I Exam – 2020. NDA I 2020 Paper held on 06 September 2020. This paper is General Aptitude Test Part A. NDA (I) 2020 General Aptitude Test Answer Key available here.

Exam  – NDA (I) 2020
Organized by – UPSC
Subject – General Aptitude Test
Booklet – C
Date of Exam – 06 – September – 2020 

Click Here – NDA (I) 2020 Exam Paper GAT Part (B) Question 51 – 150

NDA (I) 2020 Exam Paper (Answer Key)
General Aptitude Test  (Part – A)

PREPOSITIONS

Directions :
Each item in this section has a sentence with a missing preposition. Select the correct preposition from the given options and mark your response on your Answer Sheet accordingly.

1. Simulations of the 20th century by climate models that exclude the observed increase ______ greenhouse gases fail to simulate the increase in temperature over the second half of the 20th century.
(a) of
(b) in
(c) by
(d) to

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2. In extremely poor societies, children can be put to work ______ a young age and are therefore a source of income.
(a) in
(b) on
(c) by
(d) at

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3. People who are averse ______ hard work, generally do not succeed in life.
(a) to
(b) about
(c) at
(d) on

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4. I have known her ______ a long time.
(a) since
(b) for
(c) at
(d) before

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5. I accepted the offer ______ certain conditions.
(a) on
(b) in
(c) by
(d) within

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6. She is a woman ______ humble origin.
(a) off
(b) of
(c) from
(d) within

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7. There is no cure ______ the common cold.
(a) for
(b) of
(c) to
(d) on

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8. I ran ______ John yesterday, and it was a pleasant surprise.
(a) by
(b) off
(c) beside
(d) into

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9. My grandmother enjoyed boating ______ the lovely lake.
(a) in
(b) on
(c) beside
(d) within

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10. He visits the needy to relieve them ______ their sufferings and poverty.
(a) from
(b) off
(c) of
(d) on

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SPOTTING ERRORS

Directions:
Each item in this section has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any underlined part and indicate your response on the Answer Sheet against the contending letter i.e.. (a) or (b) or (c). If you find no error, your response should be the as (d).

11. This building (a)/comprises of six houses, (b)/three parking lots and one basement (c)/ No error (d)

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12. I look forward (a)/ to meet (b)/ you. (c)/ No error. (d)

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13. I cannot (a)/ cope up (b)/ with this pressure. (c)/ No error. (d)

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14. I came (a)/ to this place (b)/ by walk. (c)/ No error. (d)

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15. What is (a)/ the time (b)/ in your watch? (c)/ No error. (d)

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16. The price of my dress (a)/ is higher than that of (b)/ yours. (b)/ No error. (d)

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17. My friend’s (a)/ daughter-in-laws (b)/ have come. (c)/ No error. (d)

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18. I prefer (a)/seafood (b)/ than Mediterranean food (c)/ No error. (d)

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19. We were (a)/ discussing about (b)/ the issue. (c)/ No error. (d)

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20. Dispose off (a)/ the garbage (b)/ from the shelves. (c)/ No Error. (d)

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