CDS Exam 2010
77. Consider the following statements with respect to X-rays:
- They can pass through aluminium .
- They can be deflected by magnetic field.
- They move with a velocity less than the velocity of ultraviolet rays in vacuum.
Which of the statements given above is/are correct?
- 1, 2 and 3
- 1 only
- 2 and 3 only
- 1 and 2
78. If a small raindrop falls through air
- its velocity goes on increasing
- its velocity goes on decreasing
- its velocity goes on increasing for some time and then becomes constant
- 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
- curvature of the earth
- weakness of antenna
- weakness of signal
- absorption of signal in air
80. Because of which one of the following factors, clouds do not precipitate in deserts?
- Low pressure
- Low humidity
- High wind velocity
- 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?
- Neutron star
- White dwarf
- Black hole
- Supernova star
82. Which one of the following is a medium range surface to air missile?
- Trishul
- Nag
- Prithvi
- 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:
- A - 4, B -1, C - 3, D - 2
- A - 2, B -3, C - 1, D - 4
- A - 4, B -3, C - 1, D - 2
- 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?
- Spring tide
- Neap tide
- High tide
- Low tide
85. Aqua regia used by alchemists to separate silver and gold is a mixture of
- hydrochloric acid (concentrated) and nitric acid (concentrated)
- hydrochloric acid (concentrated) and sulphuric acid (concentrated)
- nitric acid (concentrated) and sulphuric acid (concentrated)
- hydrochloric acid (dilute) and sulphuric acid (dilute)
86. Commercial vulcanization of rubber involves
- sulphur
- carbon
- phosphorus
- selenium
87. In which one of the following is higher percentage of carbon found?
- Lignite coal
- Peat coal
- Bituminous coal
- Anthracite coal
88. Which one of the following when dissolved in H2O gives hissing sound?
- Limestone
- Slacked lime
- Soda lime
- Quicklime
89. The rusting of iron nail
- decreases its weight
- increases its weight
- does not affect weight but iron is oxidised
- does not affect weight but iron is reduced
90. Which one of the following is heavy water used in nuclear reactor?
- Water having molecular weight 18 amu
- Water having molecular weight 20 amu
- Water at 4o C but having molecular weight 19 amu
- Water below the ice in a frozen sea
91. Which one of the following is used as a mordant in dyeing and tanning industry?
- Magnesium oxide
- Magnesium carbonate
- Magnesium chloride
- Magnesium sulphate
92. By which one of the following, an old written material which cannot be read easily, can be read?
- γ-rays
- X-rays
- IR-rays
- Radiofrequency waves
93. Which one of the following characteristics is common among parrot, platypus and kangaroo?
- Oviparity
- Toothless jaws
- Homothermy
- Functional postanal tail
94. Which one of the following petroleum refinery products has the lowest boiling point?
- Kerosene
- Diesel
- Gasoline
- Lubricating oil
95. In which one of the following places was Asia's first Export Processing Zone (EPZ) set up?
- Santa Cruz
- Kandla
- Cochin
- Surat
96. Which one of the following feature films is official nominee for Oscar, 2008 from India?
- Rock on
- Walu
- Drona
- Tare Jamin Par
97. What is the correct chronological order of conferring Bharat Ratna to the following?
- M.S. Subbalakshmi
- Professor Amartya Sen
- Dr. APJ Abdul Kalam
- Sushri Lata Dinanath Mangeshkar
Select the correct answer using the code given below:
Code:
- 1-2-3-4
- 3-1-2-4
- 2-1-4-3
- 4-3-1-2
98. Which one of the following zones of the atmosphere is rich in ozone gas?
- Mesosphere
- Troposphere
- Stratosphere
- Ionosphere
99. Which one of the following is an example of vestigial organ in man?
- Jaw apparatus
- Ear muscles
- Canine teeth
- Humerus
100. Which one of the following is a free-living bacterium in nitrogen fixation in soil?
- Azotobacter
- Anabaena
- Azolla
- Nostoc
101. Which one of the following is associated with the formation of brown air in traffic congested cities?
- Sulphur dioxide
- Nitrogen oxide
- Carbon dioxide
- Carbon monoxide
102. Which one of the following is the permissible level of noise in a silent zone at daytime?
- 50 dB
- 60 dB
- 65 dB
- 75 dB
103. Which one of the following is the first National Park established in India?
- Bandipur
- Corbett
- Velavadar
- 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?
- Fungi
- Algae
- Pteridophytes
- Angiosperms
105. The genetically engineered 'Golden Rice' is rich in which of the following?
- Vitamin A and nicotinic acid
- β-carotene and folic acid
- β-carotene and iron
- Vitamin A and niacin
106. Consider the following statements:
- National Parks are a special category of protected areas of land and sea coasts where people are an integral part of the system.
- Sanctuaries are concerned with conversation of particular species.
- Biosphere Reserves are connected with the habitat of a particular wild animal.
Which of the statements given above is/are correct?
- 1, 2 and 3
- 2 only
- 1 and 2 only
- 1 and 3 only
107. Which one of the following is categorised as millet?
- Wheat
- Rice
- Sorghum
- Maize
108. The plant dye Henna imparts orange-red colour to skin and hairs due its reaction with which of the following?
- Proteins and amino acids
- Lipids
- Carbohydrates
- Nucleic acids
109. Which one of the following plants is preferred for mixed cropping in order to enhance the bioavailability of nitrogen?
- Wheat
- Gram
- Maize
- 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?
- International Union for Conservation of Nature and Natural Resources (IUCN)
- World Wildlife Fund (WWF)
- World Conservation Union (WCU)
- 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?
- Green and Yellow
- Red and Blue
- Green and Red
- Blue and Yellow
112. Consider the following regions of India:
- Western Ghats
- Aravali Hills.
- Eastern Himalayas .
Which of the above is/are biodiversity hot spot/hot spots?
- 1 only
- 1 an 3 only
- 2 and 3 only
- 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:
- A - 3, B -4, C - 1, D - 2
- A - 2, B -3, C - 1, D - 4
- A - 3, B -1, C - 4, D - 2
- 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?
- Kushan Empire
- Mauryan Empire
- Vijayanagar Empire
- Mughal Empire
115. Which one of the following pairs is considered as the drug of last resort for human being?
- Pencillin
- Tetracycline
- Chloramphenicol
- Streptomycin