June 5, 2019

NTPC Practice Test | Model Paper | RRB NTPC & Group D Exam

1. Which of the following states of India has the longest coastline?
1. Kerala 
2. Gujarat
3. Tamil Nadu 
4. Andhra Pradesh

2. Where was the capital of Ranjit Singh, the king of Punjab, located?
1. Peshawar 
2. Amritsar
3. Lahore 
4. Rawalpindi

3. The fundamental duties are enshrined in which Article of the Indian Constitution?
1. Article 51 A
2. Article 50 A
3. Article 50 B
4. Article 51 B

4. The mineral structure of diamond is
1. Zinc 
2. Nickel
3. Nitrogen 
4. Carbon

5. Which part of the body is affected by Jaundice?
1. Small intestine 
2. Liver
3. Stomach 
4. Pancreas

6. Which country of the world has the largest number of post offices?
1. France 
2. China
3. India 
4. Japan

7. Uttar pradesh tops in the production of -in India.
1. sugar cane 
2. rice
3. barley 
4. wheat

8. The safe temperature to keep eatables fresh in refrigerator is
1. 4°C 
2. 0°C
3. 18°C 
4. 10°C

9. The instrument used to measure the blood pressure of human body is
1. Barometer 
2. Altimeter
3. Sphygmomano meter
4. Tachometer

10. Automatic wrist watches get energy from
1. twist in spring
2. liquid crystal
3. kinetic energy
4. movement of our hands

11. When a television is switched on 
1. We listen the sound first and then see the picture
2. We see the picture first and then listen sound
3. It depends on the TV manufacturing company
4. We get audio and visual at the same time

12. Goitre in human body is caused due to deficiency of
1. Iodine 
2. Phosphorus
3. Nitrogen 
4. Calcium

13. Who sent Huensant as ambassador in the court of Harsha?
1. Fu Chen-Chu 
2. Tai Sung
3. Tung Cuan 
4. None of these

14. Who wrote Akbarnama?
1. Faizi 
2. Abdul Rahim Khankhana
3. Abul Fazal 
4. Abdul Kadir Badayun

15. Which metal is generally used to make electro magnets?
1. Copper 
2. Nickel
3. Iron 
4. Cobalt

16. Artificial silk is called
1. Rayon 
2. Dacron
3. Fibre glass 
4. Nylon

17. Dynamo converts
1. electrical energy into mechanical energy
2. High voltage into low voltage
3. Low voltage into high voltage
4. Mechanical energy into electrical energy

18. The instrument used to measure the electric current is
1. Barometer 
2. Altimeter
3. Ammeter 
4. Anemometer

19. The best conductor of electricity is
1. Aluminium 
2. Copper
3. Iron
4. Silver

20. Urea supplies- to the plants.
1. Calcium 
2. Phosphorus
3. Potassium 
4. Nitrogen

21. Mica is used in
1. Furnace 
2. Electric industry
3. Steel Industry 
4. Glass Manufacturing

22. Which of the following is a physical change?
1. Burning of cooking gas
2. Fermentation of milk
3. Digestion of food
4. Dissolution of sugar in water

23. The chemical compound used in photography is
1. Aluminium Hydroxide
2. Silver Bromide
3. Potassium Nitrate 
4. Sodium Chloride

24. What causes cholera?
1. Bacteria 
2. Virus
3. Fungus 
4. Algae

25. An apparatus for viewing objects lying above the eye level of the observer and whose direct vision is obstructed is known as
1. Photometer 
2. Periscope
3. Planimeter
4. Spectrometer

26. Which atom has only one electron?
1. Potassium 
2. Nitrogen
3. Oxygen 
4. Hydrogen

27. What the electrode that is connected to the negative pole of the battery is called?
1. Cathode 
2. Electroplate
3. Ion 
4. Anode

28. The organic acid present in vinegar is
1. butanoic acid 
2. propanoic acid
3. methanoic acid 
4. ethanoic acid

29. Which of the following is an example of fossil fuel?
1. Coke 
2. Natural gas
3. Coal gas 
4. Producer gas

30. Water gas consists of 
1. a mixture of carbon monoxide and hydrogen
2. water vapour and coal dust
3. a mixture of carbon monoxide and nitrogen
4. water vapour and methane

31. A body strike the floor vertically with a velocity u and rebounds at the same speed. The change of speed would be
1. 3u 
2. Zero 
3. u 
4. 2u

32. Which of the following is different from others?
1. Speed 
2. Time
3. Density 
4. Force

33. Momentum has the same unit as that of
1. torque 
2. couple
3. impulse 
4. moment of momentum

34. What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2m/s?
1. 50 kg m/s 
2. 75 kg m/s
3. 100 kg m/s
4. 150 kg/s

35. At the centre of the earth, the value of gbecomes
1. infinity 
2. unity
3. zero 
4. None of these

36. Two unequal masses possess the same momentum, then the kinetic energy of the heavier mass is ....................the kinetic energy of the lighter mass.
1. smaller than 
2. greater than
3. same as 
4. none of these

37. 15 Bulbs of 60 W each, run for 6 hours daily and a fridge of 300 W runs for 5 hours daily. Find the forthrightly bill at the rate of 30 paise per unit.
1. Rs.31.05 
2. Rs.45.55
3. Rs.62.10 
4. Rs.75.10

38. Sheaths are used in cables to
1. Provide proper insulation
2. Provide mechanical strength
3. Prevent ingress of moisture
4. None of these

39. For the stable operation of interconnected system, the passive element that can be used as interconnecting element is
1. Reactor 
2. Resistor
3. Capacitor 
4. Resistor and Capacitor

40. The rate of change of momentum is directly proportional to
1. Force 
2. Inertia
3. Moment 
4. None of these

41. The transformer used to decrease the magnitude of the alternating voltage is a
1. step-up transformer
2. step-down transformer
3. step-in transformer
4. step-out transformer

42. When two bodies are rubbed against each other
1. They acquire equal and similar charges
2. They acquire equal and opposite charges
3. They acquire unequal and similar charges
4. They acquire unequal and opposite charges

43. Lightning is caused in the sky due to the flow of charge between
1. two oppositely charged clouds
2. two similarly charged clouds
3. one neutral and one charged cloud
4. None of the these

44. Which of these converts sunlight directly into electrical energy?
1. Solar cooker 
2. Solar cell
3. Solar furnace 
4. Solar water heater

45. Electric charge can flow through
1. insulators 
2. conductors
3. both insulators and conductors
4. neither conductors nor insulators

46. The electric current which changes its direction after fixed intervals of time is called
1. induced current 
2. direct current
3. alternating current 
4. None of these

47. A device used to stabilise the voltage supplied by electric supply station is a
1. dynamo 
2. transformer
3. ammeter 
4. generator

48. Silver is a
1. magnetic substance
2. good conductor of electricity
3. bad conductor of electricity
4. none of these

49. An instrument used to observe heavenly bodies is the
1. telescope 
2. camera
3. microscope
4. periscope

50. The maximum percentage in the atmosphere is of
1. Oxygen 
2. Nitrogen
3. Carbon dioxide
4. Helium

51. What is the function of Ozone layer?
1. Prevents harmful infra-red rays of the sun from reaching the earth
2. Prevents radiation escaping the earth, hence keeping it warm
3. It is essential for rainfall
4. It filters harmful ultra-violet rays of the sun

52. In the International system of measurement, the 'Kelvin' is the unit of
1. mass 
2. temperature
3. electric current 
4. air

53. The Sanchi Stupa was constructed by
1. Chandragupta 
2. Ashoka
3. Kunal 
4. Harshavardhan

54. The first atomic power plant was started in India at
1. Narora 
2. Tarapur
3. Rawat bhata 
4. None of these

55. To conserve the eatables we use
1. Benzoic acid 
2. Sodium chloride
3. Sodium carbonate 
4. None of these

56. The least polluting fuel is
1. Hydrogen 
2. Diesel
3. Kerosene 
4. Coal

57. Malaria spreads by
1. Culex mosquito
2.Anopheles mosquito
3. Water borne mosquito
4. None of these

58. Heart disease is caused by increase in
1. Glucose 
2. Cholesterol
3. Heparin
4. Haemoglobin

59. Which vitamin helps in clotting of blood?
1. Vitamin B 
2. Vitamin B2
3. Vitamin K 
4. Vitamin D

60. The chief source of energy is
1. Vitamin 
2. Minerals
3. Carbohydrate 
4. Water

61. The chief centre of learning during lord Buddha era was
1. Nalanda 
2. Delhi
3. Varanasi 
4. Bodh Gaya

62. Mustard is grown in
1. Kharif season
2. Rabi season
3. Jayad season 
4. Whole year

63. In case the posts of President and Vice President lie vacant, who officiates as the President?
1. Speaker of the Lok Sabha
2. Chief Justice of India
3. Attorney General of India
4. Chairman of Rajya Sabha

64. Magnetic needle directs to
1. East 
2. Sky
3. North 
4. West

65. Lord Buddha got emancipation (Mahapari nirvana) at
1. Kushinagar 
2. Lumbini
3. Bodh Gaya 
4. Kapilvastu

Answers :  
1. 2 2. 3 3. 1 -4. 4 -5. 2   -6. 3 -7. 4 8. 1 9. 3 10. 1
11. 1 12. 1 13. 2 14. 3 15. 3  16. 1 17. 4 18. 3 19. 4 20. 4
21. 2 22. 4 -23. 2 24. 1 -25. 2  -26. 4 27. 1 28. 2 29. 1 30. 1
31. 4 32. 2 33. 3 34. 4 35. 3   36. 1 37. 1 38. 1 39. 3 40. 1
41. 2 42. 2 43. 1 44. 2 45. 2   46. 3 -47. 2 48. 2 49. 1 50. 4
51. 4 52. 2 53. 2 54. 2 55. 1   56. 1 -57. 2 58. 2 59. 3 60. 3
61. 1 62. 2 63. 2 64. 3 65. 1

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