NDA/NA Exam Solved Papers - 2011- I - Paper I: General Ability
Paper I : General Ability Test
81. Suppose you are standing 1 m in front of a plane mirror. What should be
the minimum vertical size of the mirror so that you can see your full image in
(a) 0.50 m
(b) 2 m
(c) half of your height
(d) twie your height.
82. Light travels slower in glass than in air because :
(a) refractive index of air is less than that of glass.
(b) refractive index of air is greater than that of glass.
(c) density of glass is greater than that of air.
(d) density of glass is less than that of air.
83. The lines of force of a uniform magnetic field
(a) must be convergent
(b) must be divergent
(c) must be parallel to each other
84. A Jet engine works on the principle of conservation of :
(a) linear momentum
(b) angular momentum
85. The surface temperature of the Sun is nearly
(a) 2000 K
(b) 4000 K
(c) 6000 K
(d) 8000 K
86. Venkataraman Ramakrishnan was jointly awarded Nobel Prize in Chemistry in
the year 2009 for the :
(a) theory of electron transfer.
(b) studies of the structure and function of the ribosome.
(c) palladium catalyzed cross couplings in organic synthesis.
(d) work in the area of olefin metathesis.
87. Which one among the following statements regarding cell is not correct?
(a) Shape and size of cells are related to specific function
(b) Some cells have changing shapes
(c) Each cell has its own capacity to perform
(d) Same type of cells are present in all body tissues
88. Which one among the following Indian scientists proposed a theory for
long distance transport of water in plants?
(a) J.C. Bose
(b) Birbal Sahni
(c) P. Maheshwari
(d) N.S. Parihar
89. To a perpendicular to the plane of ecliptic, the Earth’s axis of rotation
makes an angle of 23 degrees. Had this angle been 0 degree, which one among the
following would result?
(a) There would have been no seasons
(b) The length of day and night would have been the same throughout the year
(c) The length of day and night would have been the same all over the earth
(d) All of the above
90. Jet streams are usually found in the :
91. There exceptionally high and low tides that occur at the time of the new
moon or the full moon when the Sun, ‘the Moon and the Earth are approximately
aligned is called:
92. What is the general direction of cyclones formed in the Bay of Bengal?
(a) East to west
(b) West to east
(c) West to south
(d) North to south
93. The Narmada river in the Peninsular plateau flows westward with a
remarkably straight channel. It is because the :
(a) slope gradient in this part controls the river channel pattern.
(b) river carries a huge amount of water which has created a straight channel
(c) river forms the boundary between the Central Highlands and the Deccan
(d) river flows through the trough of a rift valley inclined westward.
94. No trees are found in Tundra biome near polar region of northern
hemisphere. This is due to :
(a) snowfall inhibits plant respiration.
(b) frozen ice beneath the surface soil (permafrost) restricts roots growth.
(c) less wind movement and inadequate sunlight.
(d) low temperature which restricts development of reproductive organs.
95. Why the summer monsoon winds blow from south-western direction in the
(a) The general direction of wind from the Indian Ocean is south-western
(b) The presence of the doldrums around the Equator
(c) The low pressure condition in north-west India
(d) Due to the effect of Coriolis force
96. If the Earth’s axis were perpendicular to the plane of its orbit, which
one among the following would not have happened?
(a) The North Pole will always lie in dark
(b) Days and nights would be equal throughout the year
(c) No change of seasons will take place
(d) The sun will be perpendicular to the Equator
97. Match List-I with List-II and select the correct answer using the code
given below the Lists:
98. Which one among the following is the best reason for the marked increase in
the agricultural production in India in the past decades?
(a) Increase in the area under cultivation
(b) Conversion of barren land into agricultural land
(c) Use of improved agricultural methods and technologies
(d) Priority status given by the successive governments to atricultural sector
over the industry sector
99. Which of the following statements regarding the Deccan Traps is/are
1. Intense volcanic activity in the form of fissure eruption took place
towards the end of Cretaceous period
2. The volcanic lava spread out in horizontal sheets
3. The regular soil found here is rich in nitrogen
Select the correct answer using the code given below :
(a) 1 and 2 only
(b) 1, 2 and 3
(c) 3 only
(d) 1 only
100. Consider the following statements :
1. The Himalayan vegetation varies according to both altitude and climatic
2. There are mainly two types of tropical forests that are found in the
Himalayas the tropical rainforests and the tropical deciduous forests
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
101. If the electrical resistance of a typical substance suddenly drops to
zero, then the substance is called :
(a) super conductor
102. A spherical air bubble is embedded in a piece of glass. For a ray of
light passing through the bubble, it behaves like a :
(a) converging lens
(b) diverging lens
(c) plano-converging lens
(d) plano-diverging lens
103. ‘The stars seem to be higher on the sky than they actually are’. This
can be explained by:
(a) atmospheric refraction
(b) dispersion of light
(c) total internal reflection
(d) diffraction of light
104. Which one among the following is not a source of renewable energy?
(b) Solar energy
(c) Fuel cell
(d) Wind energy
105. A liquid rises to a certain length in a capillary tube. The tube is
inclined to an angle of 45°. The length of the liquid column will :
(c) remain unchanged
(d) first decrease and then increase
106. Mass of B is four times that of A, B moves with a velocity half that of
A. Then B has :
(a) kinetic energy equal to that of A
(b) half the kinetic energy of A
(c) twice the kinetic energy of A
(d) kinetic energy one-fourth of A
107. In a pressure cooker cooking is faster because the increase in vapour
(a) increase the specific heat
(b) decreases the specific heat
(c) decreases the boiling point
(d) increases the boiling point
108. Magnets attract magnetic substances such as iron,. nickel, cobalt etc.
They can also repel :
(a) paramagnetic substances
(b) ferromagnetic substances
(c) diamagnetic substances
(d) non-magnetic substances
109. When a ray of light is going from one medium to another, its :
(a) wavelength remains same
(b) frequency remains same
(c) frequency increases
(d) wavelength increases
110. Which one among the following is the main ingredient in cement?
(b) Lime stone
111. Glass is actually :
(a) a crystalline solid
(b) an ionic solid
(c) an elastic solid
(d) a vitrified liquid
112. Solutions in test tubes containing H20 and aqueous NaOH can be
differentiated with the help of :
(a) red litmus
(b) blue litmus
(d) HCl (aqueous)
113. A student heated some sulphur in a spatula and collected the gas ‘X’. Which
one among the following is correct about ‘X’?
(a) X is SO2 and it turns moist litmus to blue
(b) X is SO3 and it turns moist litmus to red
(c) X is SO2 and it turns moist litmus to red
(d) X is SO3 and it turns dry litmus to blue
114. Human stomach produces acid ‘X’ which helps in digestion of food. Acid ‘X’
(a) acetic acid
(b) methanoic acid
(c) hydrochloric acid
(d) citric acid
115. When concentrated H2S04 spilts on the surface, it should be immediately
(a) with a piece of cloth
(b) by adding cold water
(c) by adding solid Na2CO3
(d) by adding solid BaCl2
116. India by becoming a full-fledged member of the Financial Action Task Force
(a) will be able to access information on suspect’ accounts in nations such as
Switzerland and UK
(b) will play an important role in law enforcement matters, investigations at an
(c) has also become a member of Organization for Economic Co-operation and
(d) all of the above
117. Consider the following declaration and identify the person who made it
using the code given below :
‘The time has come when badges of honour make out shame glaring in their
incongruous context of humiliation, and, I, for my part, wish to stand shorn of
all special distinction, by the side of my countrymen who, for their so-called
insignificance are liable to suffer degradation not fit for human beings’.
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) Dada Bhai Naoroji
(d) Rabindranath Tagore
118. Identify, using the code given below, the nationalist leader who was
sentenced in the words’ outlined below :
‘the fat that in the eyes of millions of your countrymen you are a great patriot
and great leader’ but ‘as a man subject to the law, who has, by his own
admission broken the law’ you are subject to six years imprisonment
(a) C.R. Das
(b) Mahatma Gandhi
(c) Subhash Bose
(d) Jawaharlal Nehru
119. Consider the following statement :
‘We believe that it is the inalienable right of the Indian people as of any
other people, to have freedom and to enjoy the fruits of their toil and have the
necessities of life so that they may have full opportunities of growth’ Identify
the correct context of this statement from below :
(a) Pledge of independence to be publicly taken all over India On 26 January
(b) Preamble of the Constitution of India adopted in 1950
(c) Congress Working Committee Resolution adopted at the Special Calcutta
Congress in 1920
(d) Part of Speech delivered by Subhash Bose at the launch of Azad Hind Fauj
120. Which one among the following led to the Greece economic crisis 2010 ?
(a) Excessive borrowing from IMF
(b) Sudden depreciation of Euro
(c) Unrestricted spending and cheap loans
(d) Outflow of foreign capital due to political unrest
81. (c) 82. (a) 83. (c) 84. (a) 85. (c) 86. (b) 87. (d) 88. (a) 89. (c) 90. (c)
91. (a) 92. (c) 93. (c) 94. (b) 95. (c) 96. (c) 97. (b) 98. (c) 99. (a) 100. (a)
101. (a) 102. (b) 103. (c) 104. (c) 105. (a) 106. (a) 107. (d) 108. (c) 109. (b)
111. (d) 112. (a) 113. (c) 114. (c) 115. (c) 116. (d) 117. (d) 118. (b) 119. (a)
Courtesy : UPSC