CDS Exam 2010


77. Consider the following statements with respect to X-rays:

  1. They can pass through aluminium .
  2. They can be deflected by magnetic field.
  3. They move with a velocity less than the velocity of ultraviolet rays in vacuum.

Which of the statements given above is/are correct?

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

78. If a small raindrop falls through air

  1. its velocity goes on increasing
  2. its velocity goes on decreasing
  3. its velocity goes on increasing for some time and then becomes constant
  4. it falls with constant speed for some time and then its velocity increases

79. Television signal cannot be received generally beyond a particular distance due to

  1. curvature of the earth
  2. weakness of antenna
  3. weakness of signal
  4. absorption of signal in air

80. Because of which one of the following factors, clouds do not precipitate in deserts?

  1. Low pressure
  2. Low humidity
  3. High wind velocity
  4. High temperature

81. Which one of the following is an object with such a strong gravitional field that even light cannot escape from its surface?

  1. Neutron star
  2. White dwarf
  3. Black hole
  4. Supernova star

82. Which one of the following is a medium range surface to air missile?

  1. Trishul
  2. Nag
  3. Prithvi
  4. Akash

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

List-I (Vitamin) List-II (Chemical Compound)
A. Vitamin A 1. Thiamin
B. Vitamin B1 2. Retinol
C. Vitamin C 3. Ascorbic acid
D. Vitamin E 4. Tocopherol

Code:

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

84. Which one of the following is the tide produced as a consequence of moon and sun pulling the earth in the same direction?

  1. Spring tide
  2. Neap tide
  3. High tide
  4. Low tide

85. Aqua regia used by alchemists to separate silver and gold is a mixture of

  1. hydrochloric acid (concentrated) and nitric acid (concentrated)
  2. hydrochloric acid (concentrated) and sulphuric acid (concentrated)
  3. nitric acid (concentrated) and sulphuric acid (concentrated)
  4. hydrochloric acid (dilute) and sulphuric acid (dilute)

86. Commercial vulcanization of rubber involves

  1. sulphur
  2. carbon
  3. phosphorus
  4. selenium

87. In which one of the following is higher percentage of carbon found?

  1. Lignite coal
  2. Peat coal
  3. Bituminous coal
  4. Anthracite coal

88. Which one of the following when dissolved in H2O gives hissing sound?

  1. Limestone
  2. Slacked lime
  3. Soda lime
  4. Quicklime

89. The rusting of iron nail

  1. decreases its weight
  2. increases its weight
  3. does not affect weight but iron is oxidised
  4. does not affect weight but iron is reduced

90. Which one of the following is heavy water used in nuclear reactor?

  1. Water having molecular weight 18 amu
  2. Water having molecular weight 20 amu
  3. Water at 4o C but having molecular weight 19 amu
  4. Water below the ice in a frozen sea

91. Which one of the following is used as a mordant in dyeing and tanning industry?

  1. Magnesium oxide
  2. Magnesium carbonate
  3. Magnesium chloride
  4. Magnesium sulphate

92. By which one of the following, an old written material which cannot be read easily, can be read?

  1. γ-rays
  2. X-rays
  3. IR-rays
  4. Radiofrequency waves

93. Which one of the following characteristics is common among parrot, platypus and kangaroo?

  1. Oviparity
  2. Toothless jaws
  3. Homothermy
  4. Functional postanal tail

94. Which one of the following petroleum refinery products has the lowest boiling point?

  1. Kerosene
  2. Diesel
  3. Gasoline
  4. Lubricating oil

95. In which one of the following places was Asia's first Export Processing Zone (EPZ) set up?

  1. Santa Cruz
  2. Kandla
  3. Cochin
  4. Surat

96. Which one of the following feature films is official nominee for Oscar, 2008 from India?

  1. Rock on
  2. Walu
  3. Drona
  4. Tare Jamin Par

97. What is the correct chronological order of conferring Bharat Ratna to the following?

  1. M.S. Subbalakshmi
  2. Professor Amartya Sen
  3. Dr. APJ Abdul Kalam
  4. Sushri Lata Dinanath Mangeshkar

Select the correct answer using the code given below:

Code:

  1. 1-2-3-4
  2. 3-1-2-4
  3. 2-1-4-3
  4. 4-3-1-2

98. Which one of the following zones of the atmosphere is rich in ozone gas?

  1. Mesosphere
  2. Troposphere
  3. Stratosphere
  4. Ionosphere

99. Which one of the following is an example of vestigial organ in man?

  1. Jaw apparatus
  2. Ear muscles
  3. Canine teeth
  4. Humerus

100. Which one of the following is a free-living bacterium in nitrogen fixation in soil?

  1. Azotobacter
  2. Anabaena
  3. Azolla
  4. Nostoc

101. Which one of the following is associated with the formation of brown air in traffic congested cities?

  1. Sulphur dioxide
  2. Nitrogen oxide
  3. Carbon dioxide
  4. Carbon monoxide

102. Which one of the following is the permissible level of noise in a silent zone at daytime?

  1. 50 dB
  2. 60 dB
  3. 65 dB
  4. 75 dB

103. Which one of the following is the first National Park established in India?

  1. Bandipur
  2. Corbett
  3. Velavadar
  4. Periyar

104. Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enables them to resemble with which of the following?

  1. Fungi
  2. Algae
  3. Pteridophytes
  4. Angiosperms

105. The genetically engineered 'Golden Rice' is rich in which of the following?

  1. Vitamin A and nicotinic acid
  2. β-carotene and folic acid
  3. β-carotene and iron
  4. Vitamin A and niacin

106. Consider the following statements:

  1. National Parks are a special category of protected areas of land and sea coasts where people are an integral part of the system.
  2. Sanctuaries are concerned with conversation of particular species.
  3. Biosphere Reserves are connected with the habitat of a particular wild animal.

Which of the statements given above is/are correct?

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

107. Which one of the following is categorised as millet?

  1. Wheat
  2. Rice
  3. Sorghum
  4. Maize

108. The plant dye Henna imparts orange-red colour to skin and hairs due its reaction with which of the following?

  1. Proteins and amino acids
  2. Lipids
  3. Carbohydrates
  4. Nucleic acids

109. Which one of the following plants is preferred for mixed cropping in order to enhance the bioavailability of nitrogen?

  1. Wheat
  2. Gram
  3. Maize
  4. Barley

110. The 'Red Data Book' containing information on all wild plants and animals in danger of extinction has been published by which one of the following?

  1. International Union for Conservation of Nature and Natural Resources (IUCN)
  2. World Wildlife Fund (WWF)
  3. World Conservation Union (WCU)
  4. United Nations Environment Programme (UNEP)

111. Wavelengths of which of the following colours of the visible spectrum of light are maximally absorbed by green plants?

  1. Green and Yellow
  2. Red and Blue
  3. Green and Red
  4. Blue and Yellow

112. Consider the following regions of India:

  1. Western Ghats
  2. Aravali Hills.
  3. Eastern Himalayas .

Which of the above is/are biodiversity hot spot/hot spots?

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

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

List-I (Medicinal Product) List-II (Source)
A. Quinine 1. Poppy plant
B. Morphine 2. Bacterium
C. Pencillin 3. Cinchona bark
D. Tetracycline 4. Fungus

Code:

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

114. A Forgotten Empire, written by the renowned historian Robert Sewell is about which one of the following Empires?

  1. Kushan Empire
  2. Mauryan Empire
  3. Vijayanagar Empire
  4. Mughal Empire

115. Which one of the following pairs is considered as the drug of last resort for human being?

  1. Pencillin
  2. Tetracycline
  3. Chloramphenicol
  4. Streptomycin