NDA Exam Fully Solved Papers 2019 : NDA Exam is conducted by UPSC two times every year, candidates can join the National Defence Academy after 12th if they clear the NDA exam and SSB interview. Below we are providing the NDA Exam 2019 (Held on 21-4-2019) General Studies questions papers which are fully solved with the solution. NDA Previous Year Questions Papers will help you to prepare for the NDA Exam. The National Defence Academy (NDA) is the Joint Services academy of the Indian Armed Forces, where cadets of the three services, the Army, the Navy and the Air Force train together before they go on to respective service academies for further pre-commissioning training.
1. Which one of the following cell organelles does not possess nucleic acid?
(A) Nucleolus
(B) Chloroplast
(C) Ribosome
(D) Plasma Membrane✓
2. Which one of the following cell organelles does not possess its own genetic material encoding proteins?
(A) Ribosome✓
(B) Nucleus
(C) Mitochondria
(D) Chloroplast
3. Which one of the following is not a component of conducting tissue in plants?
(A) Fibers
(B) Tracheids
(C) Pericycle✓
(D) Sieve tubes
4. Which one of the following organisms has vascular tissues ?
(A) Cladophora
(B) Penicillium
(C) Marsilea✓
(D) Anabaena
5. Which one of the following organisms represents the primary consumer category in an ecosystem?
(A) Caterpillar✓
(B) Crabapple tree
(C) Frog
(D) Sparrowhawk
6. Spring tides refer to :
(A) greatest difference in the sea level at high and low tides✓
(B) lowest difference in the sea level at high and low tides
(C) no difference in the sea level at high and low tides
(D) counteraction of gravitational pull of the Sun to that of Moon
7. Which one of the following energy is stored in the links between the atoms?
(A) Nuclear energy
(B) Chemical energy✓
(C) Potential energy
(D) Thermal energy
8. The light energy escaping' from the Sun can be spread by :
(A) a shower of raindrops
(B) a plane mirror
(C) a convex lens✓
(D) a combination of a convex lens and a concave lens
9. The correct sequence of energy transfer that occurs when an apple falls to the ground is :
(A) Gravitational potential energy --7 heat energy to air --7 kinetic energy --7 heat energy to ground and apple --7 sound energy
(B) Gravitational potential energy --7 sound energy --7 kinetic energy --7 heat energy to air --7 heat energy to ground and apple
(C) Gravitational potential energy --7 kinetic energy --7 heat energy to air --7 heat energy to ground and apple --7 sound energy✓
(D) Gravitational potential energy --7 kinetic energy --7 sound energy --7 heat energy to air --7 heat energy to ground and apple
10. Which one of the following minerals is used as a fuel in nuclear power stations?
(A) Bauxite
(B) Quartz
(C) Feldspar
(D) Pitchblende✓
11. Which one of the following is not a synthetic detergent?
(A) CH3(CH2)lOCHzOS03-Na+
(B) [CH3(CH2)ls-N-(CH3)31+ Br-
(C) CHiCH2)16 COO- Na+
(D) CHiCH2)16 COO(CH2 CH20)n CH2CHzOH✓
12. Which one of the following is an example of a clean fuel?
(A) Coke
(B) Propane✓
(C) Petrol
(D) Wax
13. Which one of the following metals does not react with cold water?
(A) Calcium (Ca)
(B) Potassium (K)
(C) Magnesium (Mg)
(D) Sodium (Na)✓
14. In which of the following pairs are the ions isoelectronic ?
(A) Mg2 +, Ar
(B) Na+, 02-✓
(C) Al3 +, Cl-
(D) K+, Ne
15. Which one of the following is used as a binder in paints?
(A) Titanium dioxide
(B) Novolac
(C) Phthalocyanine
(D) Silicones✓
16. Which one of the following is not true in reference to Air mass?
(A) Air mass forms either in tropical or in polar region
(B) Air mass develops on continents as well as over ocean
(C) Air mass develops in a cyclonic condition✓
(D) Air mass changes the weather conditions
17. National Water Academy, a centre of excellence in training and capacity building in water resource, is located at :
(A) New Delhi
(B) Kolkata
(C) Pune✓
(D) Chennai
18. 'Campos' and 'Llanos', Tropical Savanna grasslands are generally found in :
(A) Australia
(B) Central Africa
(C) South America✓
(D) East Asia
19. 'Viticulture' is a common feature of which one of the following Australian cities?
(A) Adelaide✓
(B) Darwin
(C) Hobart
(D) Brisbane
20. 'Shamal' warm and dry wind is a 'Local' wind found in :
(A) East Asia
(B) West Coast of Africa
(C) Sahara of Africa
(D) Mesopotamia✓
21. 'Inversion of Rainfall' is asso- ciated with:
(A) Orographic rainfall✓
(B) Convectional rainfall
(C) Cyclonic rainfall (Tropical)
(D) Cyclonic rainfall (Temperate)
22. Who was the author of the book 'History of British India' ?
(A) Charles Grant
(B) John Stuart Mill
(C) James Mill✓
(D) William Jones
23. The Azamgarh Proclamation of August 25, 1857 stressed on which one of the following issues?
(A) Hindu-Muslim divide
(B) Support to the English Government
(C) The return of the Badshahi✓
(D) The imposition of heavy Jumas (revenue demand)
24. Which Viceroy had made the observation, "It's a beautiful world if it wasn't for Gandhi ...... ?"
(A) Lord Irwin
(B) Lord Wavell
(C) Lord Mountbatten
(D) Lord Willingdon✓
25. Which Indian businessman favoured 'healthy capitalism' in helping Gandhiji to work towards a 'common object' ?
(A) Ghanshyam Das Birla✓
(B) Ambalal Sarabhai
(C) Sir Biren Mookerjee
(D) T.T.K. Krishnamachari
26. The art piece 'In Memoriam' was a creation of which one of the following European painters?
(A) Thomas Jones Barker
(B) Joseph Noel Paton✓
(C) Thomas Daniell
(D) Charles D' Oyly
27. Which one of the following can charge an insulator?
(A) Current electricity
(B) Static electricity✓
(C) Magnetic field
(D) Gravitational field
28. At 20°C, the speed of sound in water is approximately:
(A) 330 ml s
(B) 800 ml s
(C) 1500 m/s✓
(D) 5000 m/s
29. Which one of the following could be the melting point of iron?
(A) 25°C
(B) 37°C
(C) 500°C
(D) 1500°C✓
30. Let us consider a copper wire having radius r and length I. Let its resistance be R. If the radius of another copper wire is 2r and the length is II 2 then the resistance of this wire will be :
(A) R
(B) 2R
(C) R/4
(D) R/8✓
31. Basic scientific principle behind a nuclear reactor is :
(A) Nuclear fusion
(B) Controlled nuclear fusion
(C) Uncontrolled nuclear fission
(D) Controlled nuclear fission✓
32. Which one of the following statements is not correct for the given reaction?
Fe(s) + CuS04(aq) ~ FeS04(aq) + Cu(s)
(A) Iron is the reducing agent
(B) The solution turns green in colour after the reaction
(C) Copper is a more reactive metal than iron✓
(D) The reaction is an example of a redox reaction
33. Which one of the following is an organic acid ?
(A) Hydrochloric acid
(B) Nitric acid
(C) Acetic acid✓
(D) Sulphuric acid
34. Dinitrogen (N2) and dioxygen (02) are the main constituents of air but they do not react with each other to form oxides of nitrogen because:
(A) the reaction requires initiation by a catalyst
(B) oxides of nitrogen. are unstable
(C) the reaction is endothermic and requires very high temperature✓
(D) the stoichiometry of N2 and 02 in air is not ideal for the reaction to take place
35. Who among the following has explained the phenomenon of photoelectric effect?
(A) Max Planck
(B) Albert Einstein✓
(C) Neils Bohr
(D) Ernest Rutherford
36. The equivalent weight of oxalic acid in C2H204.2H20 is :
(A) 45
(B) 63✓
(C) 90
(D) 126
37. Which one of the following is NOT a west flowing river?
(A) Periyar
(B) Bharatpuzha
(C) Pamba
(D) Tamraparni✓
38. Which one of the following rivers was earlier known as 'Vitasta' ?
(A) Tista
(B) Jhelurn✓
(C) Tungabhadra
(D) Bharatpuzha
39. River Sarda drains in the Northern Plains of Uttar Pradesh. Before entering in the Plains, Sarda is known as :
(A) Saraswati
(B) Bhagirathi
(C) Kali ✓
(D) Pindar
40. 'Mission Indradhanush' is related to:
(A) Bullet train project
(B) Agriculture development
(C) Women empowerment
(D) Full immunization✓
42. Who among the following his- torians have described the Quit India movement as a'spontaneous revolution'?
(A) Gordon Johnson
(B) David Arnold
(C) F. G. Hutchins✓
(D) Peter Robb
48. Light year is a unit of measurement of :
(A) very large distances✓
(B) time interval in years
(C) amount of light received on earth in a year
(D) mass of atoms
49. The focal length of the objective lens of a telescope is 50 cm. If the magnification of the telescope is 25, then the focal length of the eye-piece is :
(A) 12.5 cm
(B) 5 cm
(C) 2 cm✓
(D) 10 cm
50. Which one of the following forces is non-central and non-conservative?
(A) Frictional force✓
(B) Electric force
(C) Gravitational force
(D) Mechanical force
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