NDA/NA 2021-II General Knowledge Solved Paper

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National Defence Academy/Naval Academy Examination 2021 - II Solved Paper

Solved Question Paper - General Knowledge - Exam held on 05 September 2021

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1. Which one from among the following planets is largest in size?

  1. Earth
  2. Venus
  3. Mars
  4. Mercury

2. Match List I and List II and select the correct answer using the code given below the Lists:

List I
(Place)		List II (Feature)
A. Mumbai1. Queen of the Arabian Sea
B. Visakhapatnam2. Biggest port of India
C. Chennai3. Land-locked harbour
D. Kochi4. Oldest port on the Eastern Coast

Code:

  1. A - 2; B - 4; C - 3; D - 1
  2. A - 2; B - 3; C - 4; D - 1
  3. A - 1; B - 3; C - 4; D - 2
  4. A - 1; B - 4; C - 3; D - 2

3. Which one of the following is a crater lake in India?

  1. Lonar Lake
  2. Sambhar Lake
  3. Chilika Lake
  4. Vembanad Lake

4. Fine-grained bed of ephemeral lake in a desert is also known as

  1. Playa
  2. Oasis
  3. Drumlin
  4. Natural levee

5. Which one of the following factors does not affect the distribution of groundwater?

  1. Amount of precipitation
  2. Rate of evaporation
  3. Ability of the ground surface to allow water to infiltrate into the groundwater system
  4. Distance from the sea

6. The Constitution (35th Amendment) Act of 1974 is related to which one of the following States?

  1. Mizoram
  2. Sikkim
  3. Nagaland
  4. Arunachal Pradesh

7. Which one of the following best describes the electoral system of India?

  1. First-Past-the-Post-System
  2. Proportional Representation
  3. Mixed System
  4. General Ticket

8. Which one of the following is a non-justiciable right?

  1. Right to adequate livelihood
  2. Right against exploitation
  3. Right of accused
  4. Right to life and personal liberty

9. Which one of the following is NOT a writ?

  1. Mandamus
  2. Habeas Corpus
  3. Certiorari
  4. Severability

10. Which one of the following is NOT a part of Fundamental Rights?

  1. Right to education
  2. Right to establish educational institutions by minorities
  3. Right to be conferred with titles
  4. Right against untouchability

11. Which one of the following is NOT a function of the Constitution of India?

  1. To ensure participation of good people in politics
  2. To guarante a set of rights to citizens
  3. To define the power of the different organs of government
  4. To create conditions for a just society

12. Which one of the following statements about biodiversity is NOT correct?

  1. The term 'biodiversity' was coined by Walter G. Rosen in 1986.
  2. The term 'biodiversity hotspots' was coined by Norman Myers in 1988.
  3. The regions having richest biodiversity are called 'biodiversity hotspots'.
  4. More than 100 hotsports of biodiversity are identified in the world.

13. The Earth's atmosphere is mainly heated by which one of the following?

  1. Short wave solar radiation
  2. Reflected solar radiation
  3. Long wave terrestrial radiation
  4. Scattered solar radiation

14. Which one of the following is the correct sequence of layers as we move from the Earth's surface upwards?

  1. Troposphere, Stratosphere, Thermosphere, Mesophere
  2. Troposphere, Stratosphere, Mesophere, Thermosphere
  3. Thermosphere, Mesophere, Stratosphere, Troposphere
  4. Stratosphere, Mesophere, Troposphere, Thermosphere

15. Which one of the following is NOT a soil forming factor?

  1. Parent material
  2. Topography
  3. Climate
  4. Human habitation

16. Which one of the following best describes the Lithosphere?

  1. Upper and lower mantle
  2. Crust and core
  3. Crust and upper mantle
  4. Lower mantle and core

17. Which one of the following countries has the maximum time difference from Greenwich Mean Time (GMT)?

  1. India
  2. Nepal
  3. Sri Lanka
  4. Bhutan

18. Which one of the following is NOT a feature of the Constitution of India?

  1. It provides a set of basic rules.
  2. It specifies the power of the Government.
  3. It is the supreme law of the land.
  4. It specifies the supremacy of the judiciary.

19. Which one of the following statements about the Attorney General of India is NOT correct?

  1. He has the right of audience only in the Supreme Court of India.
  2. He shall receive such remuneration as the President may determine.
  3. He shall be qualfied to be appointed as a Judge of the Supreme Court.
  4. He shall give advice to the Government of India on all legal matters.

20. Who among the following described the Directive Principles of State Pollicy as the novel feature of Constitution of India?

  1. Jawaharlal Nehru
  2. Rajendra Prasad
  3. S.N. Mukherjee
  4. B.R. Ambedkar

21. Which of the following statements about the Indian Councils Act of 1861 is/are correct?

  1. It enlarged the Governor General's Council for the purpose of making laws.
  2. The Governor General was not authorised to increase the number of members.

Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

22. Which one of the following statements about Tattvabodhini Patrika is correct?

  1. It promoted a systematic study of India's past in the Bengali language.
  2. It promoted a systematic study of India's past through Sanskrit sources.
  3. It promoted a systematic study of India's past through Persian sources.
  4. It promoted a systematic study of India's past through Western sources.

23. In which one of the following years did the British demarcate a large area of land as Damin-i-koh for settling the Santhals?

  1. 1810
  2. 1793
  3. 1885
  4. 1832

24. The Tropic of Cancer does not pass through which one of the following States?

  1. Manipur
  2. West Bengal
  3. Gujarat
  4. Jharkhand

25. Which of the following pairs of crop and product is/are correctly matched?

  1. Food crop: Ragi
  2. Cash crop: Jute
  3. Plantation crop: Coconut

Select the correct answer using the code given below:

  1. 1 only
  2. 2 and 3 only
  3. 1, 2 and 3
  4. 3 only

26. Which one of the following coalfields is not located in Jharkhand?

  1. Jharia
  2. Ramgarh
  3. Deogarh
  4. Umaria

27. Which one of the following is the longest parallel of latitude?

  1. Tropic of Cancer
  2. Tropic of Capricorn
  3. Arctic Circle
  4. Equator

28. The periodic rise and fall of ocean water in response to gravitational forces is called

  1. Current
  2. Waves
  3. Tides
  4. Tsunami

29. Which of the following statements about the first Indian Factory Act passed in 1881 is/are correct?

  1. The Act dealt primarily with the problem of child labour.
  2. The Act laid down that children between 7 years and 12 years of age would not work for more than 9 hours a day.

Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

30. Which of the following statements about Mahatma Gandhi's anti-untouchability campaign is/are correct?

  1. The All India Harijan Sevak Sangh was founded for this purpose.
  2. The campaign was to root out untouchability, since it did not enjoy the sanction of the Hindu shastras.

Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

31. The founders of the Paramhansa Mandali founded in Maharashtra believed in which one of the following?

  1. Social distancing along caste lines
  2. Glorification of caste system
  3. Forbidding widow remarriage
  4. One God and in breaking caste rules

32. Which one of the following statements about the ishtahars issued during the Revolt of 1857 is correct?

  1. They glorified the Muslim rule in India.
  2. They glorified the co-existence of different communities under the Mughal Empire.
  3. They glorified the message of Islam.
  4. The glorified the role of Queen Victoria.

33. During the Industrial Revolution, who among the following designed the 'flying shuttle loom'?

  1. Samuel Crompton
  2. Edmund Cartwright
  3. John Kay
  4. Richard Arkwright

34. Match List I and List II and select the correct answer using the code given below the Lists:

List I
(Dam)		List II (State)
A. Hirakud1. Gujarat
B. Panchet2. Bihar
C. Kosi3. Odisha
D. Ukai4. Jharkhand

Code:

  1. A - 3; B - 4; C - 2; D - 1
  2. A - 3; B - 2; C - 4; D - 1
  3. A - 1; B - 2; C - 4; D - 3
  4. A - 1; B - 4; C - 2; D - 3

35. Which one of the following features is the result of erosion and deposition work of a river?

  1. Pothole
  2. Oxbow lake
  3. Leve
  4. Rapid

36. Which one of the following is NOT a feature of agriculture in India?

  1. Subsistence agriculture
  2. Pressure of population on agriculture
  3. Dependence upon Monsoon
  4. Predominance of cash crops

37. Which one of the following is NOT a specified Sub-Mission of the National Livestock Mission?

  1. Livestock development
  2. Pig development in north-western region
  3. Fodder and feed development
  4. Skill development, technolocy transfer and extension

38. Who among the following wrote the famous text 'A Discourse on Political Economy'?

  1. Montesquieu
  2. Voltaire
  3. Rousseau
  4. Adam Smith

39. Which of the following statements about resolution adopted in the Karachi session of the Indian National Congress with regard to fundamental rights and economic policy is/are correct?

  1. It was opposed by Ambalal Sarabhai.
  2. Its 20 points included demands for civil liberties and adult suffrage.

Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

40. Which of the following statements about the Law Commission headed by Lord Macaulay is/are correct?

  1. It attempted to codify the laws.
  2. It was opposed to uniform system of Courts.

Select the correct answer using the code given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

41. Dingko Singh, an Asian Games gold medallist, who died recently, was associated with which one of the following games?

  1. Swimming
  2. Boxing
  3. Archery
  4. Gymnastics

42. Who among the following is the lone Indian Cricketer in the ICC Hall of Fame special inductions to mark the inaugural ICC World Test Championship Final?

  1. Dilip Vengsarkar
  2. Ravi Shastri
  3. Mohinder Amarnath
  4. Vinoo Mankad

43. Which one of the following nations is NOT a permanent member of G7?

  1. India
  2. Canada
  3. France
  4. Italy

44. Operation Olivia, an initiative to protect Olive Ridley turtles, is undertaken by

  1. Indian Navy
  2. Indian Coast Guard
  3. Ministry of Environment, Forest and Climate Change
  4. Ministry of Earth Sciences

45. Who among the following is the winner of the French Open 2021 Men's Singles Final?

  1. Novak Djokovic
  2. Rafael Nadal
  3. Stefanos Tsitsipas
  4. Daniil Medvedev

46. Economist Rebeca Grynspan, who recently became the first woman to be appointed as the head of United Nations Conference on Trade and Development (UNCTAD), hails from

  1. Germany
  2. Poland
  3. Costa Rica
  4. Mexico

47. 'Belt and Road Initiative' is a foreign policy initiative of

  1. China
  2. United States of America
  3. Canada
  4. Japan

48. Which one of the following is the theme of the International Day of Yoga 2021?

  1. Yoga at home and yoga with family
  2. Yoga for climate action
  3. Yoga for well-being
  4. Yoga for peace

49. Kenneth Kaunda, who died recently at the age of 97, was the former president of

  1. Brazil
  2. Mexico
  3. Zambia
  4. South Sudan

50. The maiden Indian Navy - European Union Naval Force (IN-EUNAVFOR) Exercise (2021) was conducted in

  1. Gulf of Mannar
  2. Gulf of Aden
  3. Gulf of Khambhat
  4. Gulf of Aqaba

51. The pH value of Milk of Magnesia is approximately

  1. Zero
  2. 7
  3. 10
  4. 14

52. Which one of the following compounds is used in 'black and white' photography?

  1. AgF
  2. AgBr
  3. AgCl
  4. Ag2SO4

53. What is the number of water molecules present in a Ferrous Sulphate crystal?

  1. 1
  2. 3
  3. 5
  4. 7

54. What is the colour of the precipitate obtained by passing CO2 gas through lime water?

  1. Green
  2. Blue
  3. White
  4. Brown

55. Which one of the following pairs of elements is liquid at room temperature and at normal pressure?

  1. Gallium and Bromine
  2. Mercury and Bromine
  3. Gallium and Mercury
  4. Gallium and Caesium

56. Which one of the following methods can be used to separate anthracene from a mixture of salt and anthracene?

  1. Distillation
  2. Submlimation
  3. Evaporation
  4. Chromatography

57. Shoots of plant show upward movement and it can be designated to be

  1. Negatively phototropic
  2. Positively chemotropic
  3. Positively hydrotropic
  4. Negatively geotropic

58. Which one of the following statements about the process of photosynthesis is correct?

  1. Chemical energy is converted into light energy.
  2. Carbon dioxide is oxidised to form carbohydrate.
  3. Water molecule splits into hydrogen and oxygen.
  4. Light energy is directly used to split water.

59. How are evergreen plants with woody stems having naked seed classified?

  1. Angiosperms
  2. Monocotyledons
  3. Pteridophytes
  4. Gymnosperms

60. Which one of the following tissues is known as basic packing tissue and found in xylem and phloem?

  1. Collenchyma
  2. Parenchyma
  3. Sclerenchyma
  4. Vessels

61. Girth of stem of a plant increases due to division of cells in

  1. apical meristem only.
  2. lateral meristem only.
  3. apical and intercalary meristem.
  4. both apical and laterial meristem.

62. Different varieties of the same gene are called

  1. Genotypes
  2. Sib pairs
  3. Alleles
  4. Isomers

63. Which one of the following viruses used to be responsible for hightly infectious disease Smallpox?

  1. Adenovirus
  2. Variola virus
  3. Aichi virus
  4. Coxsackie virus

64. Buoyancy is a/an

  1. upward pressure
  2. downward pressure
  3. downward force
  4. upward force

65. Weight and mass of an object are defined with Newton's laws of motion. Which among the following is true?

  1. Weight is a constant proportionality.
  2. Mass is a constant of proportionality.
  3. Mass is not a constant of proportionality.
  4. Weight is a universal constant.

66. Fundamental laws of physics require

  1. conservation of energy and non-conservation of charge.
  2. conservation of charge and non-conservation of linear momentum.
  3. conservation of charge and non-conservation of energy.
  4. conservation of energy, momentum and charge.

67. Work is said to be one Joule when a force of

  1. 4 N moves an object by 25 cm
  2. 2 N moves an object by 1 m
  3. 1 N moves an object by 1 cm
  4. 1 N moves an object by 50 cm

68. A uniform motion of a car along a circular path experiences

  1. a change in speed due to a change in its direction of motion.
  2. a change in velocity due to a change in its direction of motion.
  3. a change in momentum due to no change in its diection of motion.
  4. a constant momentum due to a change in its direction of motion.

69. Three equal resistors are connected in parallel configuration in a closed electrical circuit. The the total resistance in the circuit becomes

  1. one-third of the individual resistance.
  2. two-third of the individual resistance.
  3. equal to the individual resistance.
  4. three times of the individual resistance.

70. Rutherford's alpha-particle (α) scattering experiment was responsible for the discovery of which one of the following?

  1. Electron
  2. Proton
  3. Atomic Nucleus
  4. Neutron

71. What is the maximum number of electrons in the M-Shell?

  1. 6
  2. 8
  3. 18
  4. 32

72. Chlorine occurs in nature in two isotopic forms of masses 35 u and 37 u in the ratio of 3 : 1 respectively. What is the average atomic mass of the Chlorine atom?

  1. 36.1 u
  2. 35.5 u
  3. 36.5 u
  4. 35.1 u

73. Which one of the following elements' isotopes is used in the treatment of cancer?

  1. Iodine
  2. Sodium
  3. Cobalt
  4. Uranium

74. To protect steel and iron from rusting, a thin layer of which one of the following metals is applied?

  1. Magnesium
  2. Zinc
  3. Aluminium
  4. Lead

75. Cinnabar is an ore of which one of the following?

  1. Copper
  2. Zinc
  3. Mercury
  4. Manganese

76. Imagine a current-carrying straight conductor with magnetic field of lines in anti-clockwise direction. Then the direction of current is determined by

  1. the Right-Hand Thumb rule and it would be in the downward direction.
  2. the Left-Hand Thumb rule and it would be in the downward direction.
  3. the Right-Hand Thumb rule and it would be in the upward direction.
  4. the Left-Hand Thumb rule and it would be in the upward direction.

77. The device used to produce electric current is known as

  1. motor
  2. generator
  3. ammeter
  4. galvanometer

78. Myopia is a defect in human vision where and image of a

  1. nearby object is focused beyond the retina
  2. nearby object is focused before the retina
  3. distant object is focused before the retina
  4. distant object is focused beyond the retina

79. Tyndall effect is a phenomenon of

  1. scattering of light by the colloidal particles.
  2. refraction of light by the colloidal particles.
  3. dispersion of light by dust particles.
  4. refraction of light by dust particles.

80. Twinkling of stars is primarily due to the atmospheric

  1. refraction
  2. reflection
  3. polarization
  4. dispersion

81. Cornea in human eye

  1. is a light sensitive screen.
  2. is a muscular diaphragm.
  3. contains blood vessels.
  4. is composed of proteins and cells.

82. Power of a lens of focal length 25 cm is

  1. +2.5 Dioptre
  2. +3 Dioptre
  3. +4 Dioptre
  4. +5 Dioptre

83. What is the total number of chambers in the stomach of domestic animals like cattle, buffalo, goat and sheep?

  1. Four
  2. Two
  3. One
  4. Three

84. Intestinal bacteria are main source of which one of the following vitamins?

  1. Vitamin E
  2. Vitamin C
  3. Vitamin B12
  4. Vitamin A

85. Which one of the following hormones is responsible for the development of female sexual characters?

  1. Prolactin
  2. Estrogen
  3. Oxytocin
  4. Progesterone

86. Spherical mirror formula relating an object distance 'u', image distance 'v' and focal length of mirror 'f' may be applied to a plane mirror when

  1. focal length goes to infinity.
  2. focal length goes to zero.
  3. image distance goes to zero.
  4. image distance goes to infinity.

87. Nuclear energy is generated by

  1. nuclear fission and its expression was proposed by Einstein
  2. nuclear fission and its expression was proposed by Rutherford
  3. nuclear fusion and its expression was proposed by Bohr
  4. nuclear fusion and its expression was proposed by Heisenberg

88. Reverberation is a phenomenon associated with a

  1. multiple refraction of sound.
  2. multiple reflection of sound.
  3. single refraction of sound.
  4. single reflection of sound.

89. Which among the following is true for propagation of sound waves?

  1. Sound can travel in vacuum and it is a transverse wave in air.
  2. Sound cannot travel in vacuum and it is a longitudinal wave in air.
  3. Sound can travel in vacuum and it is a longitudinal wave in air.
  4. Sound cannot travel in vacuum and it is a transvers wave in air.

90. A tennis ball is thrown in the vertically upward direction and the ball attains a maximum height of 20 m. The ball was thrown approximately with an upward velocity of

  1. 8 m/s
  2. 12 m/s
  3. 16 m/s
  4. 20 m/s

91. An object of mass 2000 g possesses 100 J kinetic energy. The object must be moving with a speed of

  1. 10.0 m/s
  2. 11.1 m/s
  3. 11.2 m/s
  4. 12.1 m/s

92. Which one of the following ions is NOT iso-electronic with F-?

  1. O2-
  2. Na+
  3. Ne
  4. N-

93. What is the total number of covalent bonds in methanol?

  1. 3
  2. 4
  3. 5
  4. 6

94. Which one of the following is the chemical formula of Plaster of Paris?

95. The unit of ratio between thrust and impulse is same as that of

  1. frequency
  2. speed
  3. wavelength
  4. acceleration

96. Which one of the following figures correctly shows the path of a ray of light through a glass prism?

97. When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this regard?

  1. Red light bends the most, as the refractive index of glass for red light is greatest.
  2. Red light bends the most, as the refractive index of glass for red light is lowest.
  3. Violet light bends the most, as the refractive index of glass for violet light is greatest.
  4. Violet light bends the most, as the refractive index of glass for violet light is lowest.

98. The image of an object formed by a plane mirror is

  1. erect, real and larger.
  2. erect, virtual and same size.
  3. inverted, virtual and same size.
  4. inverted, real and smaller.

99. Which one of the following is NOT a conservative force?

  1. Frictional force
  2. Electric force
  3. Gravitational force
  4. Spring force

100. A negative work is done when an applied force F and the corresponding displacement S are

  1. perpendicular to each other
  2. parallel to each other
  3. anti-parallel to each other
  4. equal to magnitude


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