NDA/NA 2020-I and II General Knowledge Solved Paper

NDA Solved Papers

NDA/NA 2023 - II Solved Paper NDA/NA 2023 - I Solved Paper NDA/NA 2022 - II Solved Paper NDA/NA 2022 - I Solved Paper NDA/NA 2021 - II Solved Paper NDA/NA 2021 - I Solved Paper NDA/NA 2020 - I & II Solved Paper NDA/NA 2019 - II Solved Paper

National Defence Academy/Naval Academy Examination 2020 - I and II Solved Paper

Solved Question Paper - General Knowledge - Exam held on 06 September 2020

Click on the Show Answer button to see the answer.

1. New Zealand is considered part of which one of the following island groups?

  1. Micronesia
  2. Melanesia
  3. Polynesia
  4. Hawaii Island chain

2. Which of the following statements with regard to Pradhan Mantri Krishi Sinchayee Yojana (PMKSY) is/are correct?

  1. PMKSY was launched during 2015-16
  2. The basic aim of PMKSY is to enhance physical access of water on farm
  3. One of the main objective of PMKSY is to achieve convergence of investments in irrigation at the field level

Select the correct answer using the code given below:

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

3. According to Article 79 of the Constitution of India, which of the following is/are described as a part of Parliament of India?

  1. The House of the People
  2. The Council of States
  3. The President of India

Select the correct answer using the code given below:

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

4. The Five Year Plan was first launched in

  1. China
  2. USSR
  3. India
  4. Bhutan

5. The call for Garibi Hatao was incorporated in

  1. Fourth Five Year Plan
  2. Fifth Five Year Plan
  3. Sixth Five Year Plan
  4. Seventh Five Year Plan

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

List I
(Major Objective)		List II (Five Year Plan)
A. Faster and more inclusive growth1. First
B. Faster, more inclusive and sustainable growth2. Fifth
C. Correction of disequilibrium caused by Second World War3. Eleventh
D. Attaining self-reliance4. Twelfth

Code:

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

7. Which one of the following Directive Principles was inserted by the Constitution (42nd Amendment) Act, 1976?

  1. The State shall minimise inequalities in income
  2. Equal justice and free legal aid
  3. Promotion of co-operative societies
  4. Provision for early childhood care

8. A common High Court for two or more states can be established by

  1. a law passed by the Parliament
  2. an order of the Supreme Court of India
  3. an order of the President of India
  4. an amendment to the Constitution of India

9. In the year 1928, a committee of Congress leaders drafted a Constitution for India. The Committee was headed by

  1. Mahatma Gandhi
  2. T.B. Sapru
  3. Motilal Nehru
  4. Jawaharlal Nehru

10. Which one of the following statements about Jaipal Singh is NOT correct?

  1. He was a member of the Constituent Assembly
  2. He founded the Adivasi Maha Sabha
  3. He was the captain of the first Indian national hockey team
  4. He campaigned for a separate state of Chhattisgarh

11. What is 'Tikki Mausi' in the context of Malnutrition?

  1. A specially packaged food item
  2. A mascot
  3. Name of a scheme
  4. Name given to the healthcare providers

12. Which one of the following was the theme of the World Tourism Day, 2019?

  1. Sustainable tourism
  2. Tourism and the digital transformation
  3. Tourism: responding to the challenge of climate change
  4. Tourism and jobs: a better future for all

13. Which one of the following countries has hosted the Army Exercise TSENTR, 2019?

  1. Russia
  2. China
  3. Kazakhstan
  4. Kyrgyzstan

14. Which one of the following countries is called the 'country of winds'?

  1. India
  2. China
  3. Denmark
  4. Germany

15. Which one of the following is the oldest scientific department of Government of India?

  1. Department of Biotechnology
  2. Survey of India
  3. India Meteorological Department
  4. DRDO

16. 'Naseem-Al-Bahr' is a bilateral naval exercise between India and

  1. United Arab Emirates
  2. Iran
  3. Saudi Arabia
  4. Oman

17. Koneru Humpy excels in which one of the following sports?

  1. Boxing
  2. Table Tennis
  3. Chess
  4. Billiards

18. Which one of the following was the official mascot of Khelo India Youth Games, 2020?

  1. Vijaya
  2. Yaya
  3. Rongmon
  4. Ammu

19. In January 2020, a passenger aircraft crashed in Iran soon after taking off from Tehran's Imam Khomeini airport killing about 170 people onboard. The airplane belonged to

  1. Qatar Airways
  2. Ukraine International Airlines
  3. Singapore Airlines
  4. Cathay Pacific

20. MILAN, a multilateral naval exercise, 2020 was hosted by which one of the following cities?

  1. Port Blair
  2. Kochi
  3. Visakhapatnam
  4. Panaji

21. Chalk and marble are different forms of

  1. Calcium hydrogen carbonate
  2. Calcium carbonate
  3. Calcium acetate
  4. Sodium carbonate

22. The number of maximum electrons in N Shell is

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

23. Vinegar is also known as

  1. ethanoic acid
  2. nitric acid
  3. sulphuric acid
  4. tartaric acid

24. 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?

  1. The pressure depends on the area of the base of the beaker
  2. The pressure depends on the height of liquid column
  3. The pressure does not depend on the density of the liquid
  4. The pressure neither depends on the area of the base of the beaker nor on the height of the liquid column

25. Which of the following statements is NOT correct regarding the travel of sound waves?

  1. Sound waves can travel through water
  2. Sound waves can travel through air
  3. Sound waves can travel through steel
  4. Sound waves can travel through vacuum

26. Deendayal Port is located at

  1. Kerala
  2. Gujarat
  3. Maharashtra
  4. Goa

27. Which one of the following cities is associated with Biosafety Protocol to the Convention on Biological Diversity (2000)?

  1. Geneva
  2. Nairobi
  3. Cartagena
  4. Rio de Janeiro

28. Krishna Raja Sagara Dam/Reservoir is developed on

  1. river Krishna
  2. river Tungabhadra
  3. river Godavari
  4. river Kavery

29. Which one of the following Indian states does NOT share international border with two or more countries?

  1. Arunachal Pradesh
  2. Assam
  3. Mizoram
  4. Tripura

30. According to Census of India, 2011, which one among the following is the least populated state in India?

  1. Maharashtra
  2. Madhya Pradesh
  3. Odisha
  4. Punjab

31. The speakers of major Indian languages belong to how many language families?

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

32. Where did Gandhiji initially forge the techniques of Satyagraha?

  1. England
  2. South Africa
  3. North Africa
  4. India

33. Who was the Viceroy of India at the time of Gandhiji's Dandi march?

  1. Lord Irwin
  2. Lord Linlithgow
  3. Lord Reading
  4. Lord Willingdon

34. 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?

  1. Saturday Evening Post
  2. Readers Digest
  3. Time
  4. Life

35. In which of the following years were passenger trains introduced in England?

  1. 1823
  2. 1825
  3. 1848
  4. 1861

36. The correct relation between the radius of curvature R and focal length f of a spherical mirror is

  1. R = f
  2. R = 2f
  3. R = 3f
  4. R = 4f

37. A lemon kept in water in a glass tumbler appears to be larger than its actual size. It is because of

  1. reflection of light
  2. scattering of light
  3. refraction of light
  4. polarization of light

38. Light enters the eye through a thin membrane called

  1. retina
  2. cornea
  3. pupil
  4. iris

39. Name the scientist who first used a glass prism to obtain the spectrum of sunlight

  1. C.V. Raman
  2. Lord Rayleigh
  3. Isaac Newton
  4. S. Chandrasekhar

40. The cost of energy to operate an industrial refrigerator that consumes 5 kW power working 10 hours per day for 30 days will be (Given that the charge per kWh of energy = Rs. 4)

  1. Rs. 600
  2. Rs. 6,000
  3. Rs. 1,200
  4. Rs. 1,500

41. Which one of the following statements regarding magnetic field is NOT correct?

  1. Magnetic field is a quantity that has direction and magnetitude
  2. Magnetic field lines are closed curves
  3. Magnetic field lines are open curves
  4. No two magnetic field lines are found to cross each other

42. Which one of the following statements is NOT correct?

  1. Buckminsterfullerene is an allotrope of carbon
  2. Diamond is a good conductor of electricity
  3. Graphite is a good conductor of electricity
  4. In graphite, each carbon atom is linked to three other carbon atoms

43. How many covalent bonds are present in a Chloropropane molecule having molecular formula, C3H7Cl?

  1. 6
  2. 8
  3. 9
  4. 10

44. Which one of the following is the most fundamental characteristic of an element?

  1. Melting point
  2. Atomic number
  3. Colour
  4. Atomic weight

45. Neutrons were discovered by

  1. James Chadwick
  2. Ernest Rutherford
  3. J.J. Thomson
  4. John Dalton

46. Atomic mass of an element is equal to the sum of number of

  1. electrons and protons only
  2. protons and neutrons only
  3. electrons and neutrons only
  4. electrons, protons and neutrons

47. Which one of the following element's isotope is used in the treatment of cancer?

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

48. Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms?

  1. Lysosome
  2. Vacuole
  3. Golgi body
  4. Endoplasmic reticulum

49. Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land?

  1. Crop rotation
  2. Mixed cropping
  3. Intercropping
  4. Mixed farming

50. Which one of the following statements is correct about effects of antibiotics on viruses?

  1. Viruses are "non-living" entities but it can interact with antibiotics
  2. Taking antibiotics cures viral infections
  3. Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathways
  4. Viruses are resistant to antibiotics

51. The Panama Canal opened in 1914, links

  1. Red Sea and Mediterranean Sea
  2. Atlantic Ocean and Pacific Ocean
  3. Indian Ocean and Pacific Ocean
  4. Adriatic Sea and Black Sea

52. The United Nations Charter was signed by 51 original members of the United Nations in 1945 at the

  1. Hague Conference
  2. London Conference
  3. San Francisco Conference
  4. Berlin Conference

53. Land Revenue Records maintained in India have categorized land-use into

  1. 6 categories
  2. 9 catogories
  3. 15 categories
  4. 21 categories

54. Dry land farming in India is largely confined to areas with rainfall less than

  1. 100 cm
  2. 85 cm
  3. 80 cm
  4. 75 cm

55. For an area to be excluded from the drought-prone category, what percentage of its gross cropped area should be under irrigation?

  1. 10 per cent or more
  2. 20 per cent or more
  3. 25 per cent or more
  4. 30 per cent or more

56. Which one of the following is NOT a current of Pacific Ocean?

  1. Oyashio current
  2. Alaska current
  3. Agulhas current
  4. California current

57. The duration of monsoon in India extends for an average period of

  1. 80 - 140 days
  2. 100 - 120 days
  3. 90 - 130 days
  4. 100 - 140 days

58. Which one of the following is the natural vegetation of South east China?

  1. Subtropical broadleaf evergreen forest
  2. Tropical broadleaf evergreen forest
  3. Tropical deciduous forest
  4. Temperate evergreen forest

59. Which one of the following is a cold local wind?

  1. Santa Ana
  2. Chinook
  3. Mistral
  4. Loo

60. What was the consequence of Permanent Settlement on rural society in Bengal?

  1. The zamindars invested capital and enterprise to improve agriculture along lines of British yeoman farmers
  2. A group of rich peasants known as jotedars succeeded in consolidating their position in the villages
  3. The ryots prospered as a result of fixed revenue levy imposed on them
  4. The system of Collecorate introduced by the Company for exercising supervisory control on zamindars failed to take off

61. What was Damin-i Koh in Rajmahal area?

  1. A large area of land demarcated and declared to be the land of the Santhals
  2. The land of the Paharias cultivated exclusively for paddy
  3. The British territory marked for their military camp
  4. The land earmarked for locating settled agriculturists

62. Which one of the following statements about the Revolt of 1857 is correct?

  1. It was a Revolt carefully organised and planned by the Rajas, Nawabs and Taluqdars
  2. Rumours and prophecies did not play any role in its outbreak and spread
  3. The rebel proclamations in 1857 repeatedly appealed to all sections of the population irrespective of their caste and creed
  4. The British succeeded in quickly and easily controlling the rebels

63. Which one among the following was NOT a Panch Sheel principle?

  1. Peaceful Co-existence
  2. Mutual respect for territorial integrity
  3. Nuclear deterrence
  4. Non-interference in internal affairs

64. Who among the following had organised, in 1904, a secret society of revolutionaries named Abhinav Bharat?

  1. Khudiram Bose
  2. Shyamji Krishna Verma
  3. Har Dayal
  4. V.D. Savarkar

65. The principle that the framing of the new Constitution for independent India should be primarily (though not solely) the responsibility of Indians themselves, was for the first time conceded in the

  1. Governemnt of India Act, 1935
  2. August Offer of Viceroy Linlithgow
  3. Cripps Proposals
  4. Cabinet Mission

66. Which one of the following is a major environmental issue in eastern Canada?

  1. Acid precipitation
  2. Groundwater depletion
  3. Land degradation
  4. Desertification

67. Which one of the following mountains lies in between Caspian Sea and Black Sea?

  1. Caucasus
  2. Carpathians
  3. Apennine
  4. Elbruz

68. Bagalihar, Dulhasti and Salal hydro power projects have been developed on which of the following rivers?

  1. Chenab and Jhelum
  2. Chenab and Indus
  3. Ravi
  4. Chenab only

69. Which of the following statements with regard to Biosphere Reserve is/are correct?

  1. The idea of Biosphere Reserve was initiated by UNESCO in 1973-74
  2. There are 18 designated Biosphere Reserves in India
  3. All Biosphere Reserves in India have been included in world network of Biosphere Reserves of UNESCO

Select the correct answer using the code given below:

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

70. Which one of the following countries does NOT have direct access to the sea/ocean?

  1. Syria
  2. Jordan
  3. Azerbaijan
  4. Armenia

71. In an incandescent electric bulb, the filament of the bulb is made up of which metal?

  1. Aluminium
  2. Copper
  3. Tungsten
  4. Silver

72. 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

  1. 120 Ω
  2. 240 Ω
  3. 60 Ω
  4. 100 Ω

73. Which one of the following is NOT the unit of energy?

  1. Joule
  2. Watt-hr
  3. Newton-metre
  4. kg-metre/sec2

74. Which one of the following statements is NOT correct?

  1. Biomass is a renewable source of energy
  2. Gobar gas is produced when cow-dung, crop residues, vegetable waste and sewage are allowed to decompose in the absence of oxygen
  3. Biogas generation reduces soil and water pollution
  4. Heating capacity of biogas is very low

75. In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as

  1. Nucleic acid
  2. Nucleoid
  3. Nucleolus
  4. Nucleosome

76. Which one of the following plant tissues has dead cells?

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

77. Cartilage is NOT found in

  1. larynx
  2. nose
  3. ear
  4. urinary bladder

78. Two planets orbit the Sun in circular orbits, with their radius of orbit as R1 = R and R2 = 4R. Ratio of their periods (T1/T2) around the Sun will be

  1. 1/16
  2. 1/8
  3. 1/4
  4. 1/2

79. A metallic wire having resistance of 20Ω is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to

  1. 20 Ω
  2. 10 Ω
  3. 5 Ω
  4. 15 Ω

80. Light of uniform intensity impinges perpendicularly on a totally reflecting surface. If the area of the surface is halved, the radiation force on it will become

  1. double
  2. half
  3. four times
  4. one fourth

81. The part of human eye on which the image is formed is

  1. pupil
  2. cornea
  3. retina
  4. iris

82. Consider the following image:


A proton enters a magnetic field at right angles to it, as shown above. The direction of force acting on the proton will be

  1. to the right
  2. to the left
  3. out of the page
  4. into the page

83. Which one of the following statements about sound is NOT correct?

  1. Sound travels at a speed slower than the speed of light
  2. Sound waves are transverse waves
  3. Sound waves are longitudinal waves
  4. Sound travels faster in moist air than in dry air

84. When the short circuit condition occurs, the current in the circuit

  1. becomes zero
  2. remains constant
  3. increases substantially
  4. keeps on changing randomly

85. Which one of the following is NOT a component of human male reproductive system?

  1. Cervix
  2. Urethra
  3. Seminal vesicle
  4. Vas deferens

86. Which one of the following is NOT a reason of decrease in biodiversity?

  1. Large scale deforestation
  2. Exploitation of forest produce
  3. Maintaining sacred groves
  4. Encroachment in forest areas

87. Which one of the following is NOT a cause of depletion in groundwater?

  1. Afforestation
  2. Loss of forests
  3. Excessive pumping of ground-water
  4. Construction of large scale concrete buildings

88. Which one of the following types of radiations has the smallest wave-length?

  1. Microwaves
  2. Infra-red
  3. Visible light
  4. X-rays

89. The instrument used for detecting the presence of electric current in a circuit is

  1. Refractometer
  2. Galvanometer
  3. Viscometer
  4. Diffractometer

90. Which one of the following is the largest composition in biogas?

  1. Carbon dioxide
  2. Methane
  3. Hydrogen
  4. Hydrogen sulphide

91. The Sun appears reddish during sunrise and sunset. The phenomenon in optics which is responsible for this appearance of the Sun is

  1. Reflection
  2. Total internal reflection
  3. Scattering
  4. Interference

92. A lens has a power of +2.0 Dioptre. Which one of the following statements about the lens is true?

  1. The lens is concave and has a focal length of 0.5 metre
  2. The lens is convex and has a focal length of 2.0 metre
  3. The lens is convex and has a focal length of 0.5 metre
  4. The lens is concave and has a focal length of 2.0 metre

93. At nearly 70o, sodium bicarbonate shows the property of gradually decomposing, which makes it usable in bakery products. The product of decomposition responsible for this use of sodium bicarbonate is

  1. Carbon dioxide
  2. Hydrogen
  3. Water vapour
  4. Oxygen

94. Number of molecules of water of crystallization in copper sulphate, sodium carbonate and Gypsum are

  1. 5, 10 and 2 respectively
  2. 10, 2 and 5 respectively
  3. 5, 2 and 10 respectively
  4. 2, 5 and 10 respectively

95. Which one of the following is the correct sequence of change in colours when a turmeric stain on white clothes is scrubbed by soap and then washed with water?

  1. Yellow - pink - blue
  2. Yellow - reddish brown - yellow
  3. Yellow - reddish brown - blue
  4. Yellow - blue - pink

96. Which one of the following statements regarding Bleaching powder and D.D.T. is correct?

  1. Both are inorganic compounds
  2. Both are organic compounds
  3. Both contain chlorine
  4. Both contain calcium

97. Which one of the following is the best example of desiccant?

  1. Silica gel
  2. Polystyrene
  3. Sodium chloride
  4. Sodium carbonate

98. Which one of the following teams was the first mineral acid discovered?

  1. Sulphuric acid
  2. Hydrochloric acid
  3. Nitric acid
  4. Phosphoric acid

99. The refractive index of fused quartz is 1.46 and that of sapphire is 1.77. If vq is the speed of light in quartz and vs is the speed of light in sapphire, then which one of the following relations is correct?

  1. vq > vs
  2. vs > vq
  3. vs = vq
  4. vs = vq/2

100. In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is NOT correct?

  1. The image will be virtual
  2. The image will be enlarged or magnified
  3. The image will be formed at infinity
  4. The image will be erect


Topicwise CDS Questions

British Rule & Freedom Movement Economics & Indian Economy Govt Progs & Policies Indian Constitution