NDA (I) Exam 2021 – General Aptitude Test Part – B (Answer Key)

UPSC conducted the NDA (National Defence Academy) I Exam 2021. NDA I 2021 Paper held on 18 April 2021. This paper General Aptitude Test Part B (General Knowledge) . NDA (I) 2021 General Aptitude Test Answer Key available here.

Exam  – NDA (I) 2021
Organized by – UPSC
Subject – General Aptitude Test
Booklet – D
Date of Exam – 18 April 2021

NDA (I) 2021 Exam Paper (Answer Key)
General Aptitude Test  (Part – B)

51. The process whereby certain minerals absorb water, expand and change is called as
(a) Hydration.
(b) Oxidation.
(c) Hydrolysis.
(d) Carbonation.

52. Which one of the following is the longest Latitude ?
(a) 90 degree Latitude
(b) 23.5 degree Latitude
(c) 0.0 degree Latitude
(d) 66.5 degree Latitude

53. If it is 12:00 Noon in India, on which meridian will it be 7:00 am of the same day ?
(a) 7.5 degree E. Longitude
(b) 7.5 degree W. Longitude
(c) 75 degree E. Longitude
(d) 75 degree W. Longitude

54. Who among the following was considered to be the preceptor of Mirabai ?
(a) Dadu
(b) Raidas
(c) Ramanand
(d) Surdas

55. Consider the following statements about the Mahanavami Dibba :
1. It was the name of a giant box of sweets distributed at the Mahanavami festival.
2. It was the name of a massive platform with a base covered with relief carvings.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

56. Which one of the following statements about the Ain-i-Akbari is not correct ?
(a) It was written by Abu’l Fazl.
(b) It is a part of a larger work called Akbar Nama.
(c) It describes the Mughal Empire as having a diverse population and a composite culture.
(d) It was later revised by Sadullah Khan on the orders of Shah Jahan.

57. Swami Dayanand Saraswati
1. was opposed to the worship of idols of Gods and Goddesses.
2. regarded the Vedas as infallible.
3. had met and had discussions with Ishwar Chandra Vidyasagar.
Which of the statements given above are correct ?
(a) 1, 2 and 3
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1 and 2 only

58. Consider the following statements :
1. Muhammadan Anglo-Oriental College was founded at Aligarh by Sayyid Ahmad Khan.
2. Sayyid Ahmad Khan was a great believer in religious toleration, and Hindus, Parsis and Christians had contributed to the funds of his college.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

59. Basket-of-eggs topography is related to
(a) Drumlins.
(b) Eskers.
(c) Cirques.
(d) Moraines.

60. Which one of the following planets has the highest density ?
(a) Mercury
(b) Venus
(c) Jupiter
(d) Earth

61. Point of Origin of Earthquake Wave is known as
(a) Epicentre.
(b) Focus.
(c) Photosphere.
(d) Seismic Zone.

62. The maximum depth of Lithosphere is found in the
(a) Pacific Ocean.
(b) Siberian Plain.
(c) Patagonian Desert.
(d) Himalayan Mountains.

63. A large body of magmatic material that cools in the deeper depth of the Earth’s crust and develops in the form of large domes is known as
(a) Batholiths.
(b) Lacoliths.
(c) Lopoliths.
(d) Phacoliths.

64. Which one of the following Oil Refineries is not located in Assam ?
(a) Tatipaka
(b) Numaligarh
(c) Bongaigaon
(d) Digboi

65. Where and when did Mahatma Gandhi make his first public appearance in India on coming back from South Africa after two decades ?
(a) Champaran in 1917
(b) Lucknow in 1916
(c) Banaras Hindu University in 1916
(d) Ahmedabad in 1918

66. When and where was the demand for “Purna Swaraj” or complete independence made by the Indian National Congress ?
(a) Bombay, 1885
(b) Lahore, 1929
(c) Kheda, 1917
(d) Bombay, 1942

67. Which one of the following provides for the complete equality of men and women in India ?
(a) Articles 14 and 15 of the Constitution of India
(b) Fifth Schedule of the Constitution of India
(c) The Indian Independence Act
(d) Article 20 of the Constitution of India

68. Which of the following statements about the non-permanent members of the Security Council of the United Nations is/are correct ?
1. Their total number is now 10, but was originally only 6.
2. They are elected for a term of two years only.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

69. At which of the following was the American Declaration of Independence adopted on 4 July, 1776 ?
(a) Washington Conference
(b) San Francisco Conference
(c) Second Continental Congress
(d) First Continental Congress

70. Who among the following was the head of the Government that was overthrown by the Bolsheviks in the 1917 Revolution ?
(a) Alexander Kerensky
(b) Prince Lvov
(c) Grand Duke Sergei
(d) Tsar Nicholas II