151 .Which of the following is the bestg indicator of SO2:
A.  Bryophyte
B.  Lichen
C.  Algae
D.  Pteridophyte
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152 .BOD is -
A.  Biological oxygen deficit
B.  Biosphere oxygen demand
C.  Biological oxygen demand
D.  None of these
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153 .
Match List I with List II and selectthe correct answer using the codegiven below the List:
List - I (List - II
Air Pollutant) (Effect)
A. Chlorofluorocarbon 1. Acid rain
B. Sulphur dioxide 2. Depletion inozone layer in theatmosphere
C. Lead compound 3. Harmful forhuman nervoussystem
D. Carbon dioxide 4. Topmost contribution togreenhouseeffect
Code:
A B C D

A.  4 3 1 2
B.  4 1 3 2
C.  2 1 3 4
D.  2 3 1 4
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154 .Cyanide poisoning causes death in seconds because
A.  it causes Lysis of red
B.  It deneatures enymes of the heart muscle
C.  It causes cardiac arrest
D.  it breaks the electron
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155 .Sound become hazardous noise pollution at level -
A.  Above 30 dB
B.  Above 80 dB
C.  Above 100 dB
D.  Above 120 dB
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156 .Which gas is responsible for global warming-
A.  O2
B.  O2 and CO2
C.  CO2 and CH4
D.  CH4
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157 .Which of the following appeared to be with a significant potential for accumulation through food chains?
A.  DDT
B.  Parathion
C.  Lindane
D.  Carbaryl
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158 .Ozone day is-
A.  January, 30
B.  September, 16
C.  April, 21
D.  December, 25
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159 .Consider the following statements-
1. Kyoto protocol came into force inthe year 2005
2. Kyoto plrotocol deals primarilywith the deplation of the ozone layer
3. Methane as green house gas ismore harmful than carbon dioxidewhich of the statements given aboveis/ are correct.

A.  1 & 2
B.  1 and 3
C.  1 only
D.  3 only
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160 .Double helix model of DNA is given by -
A.  Mullar
B.  Meghnath Sha
C.  Stepham Hawking
D.  Watson and Crick
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161 .August Weisman proposed -
A.  Natural selection theory
B.  Germ plasm theory
C.  Modern synthetic theory
D.  Inheritance of acquired character
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162 .Match List I with List II and selectthe correct answer using the codegiven below the List:
List - I List - II
(Air Pollutant) (Effect)
A. Isotope of Uranium 1. Treatmentof cancer
B. Isotope of Cobalt 2. Treatment ofgoiter
C. Isotope of Iodine 3. Treatment ofsecondarycancer
D. Isotope of Radium 4. NuclearfuelCode:
A B C D

A.  1 4 2 3
B.  2 3 5 4
C.  1 3 2 4
D.  2 4 5 3
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163 .The 'red data book' containing information on all wild plant and animals which is in danger of extinction has been published by which one of the following?
A.  International union for conservation of nature and natural Resources (IUCN)
B.  World Wild life Fund (WWF)
C.  World Conservation Union (WCU)
D.  United National union Program (UNEP)
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164 .Consider the following regions ofIndia-
1. Western Ghat
2. Aravali Hills
3. Eastern Himalayes
Which of the above is /arebiodiversity hot spot/hot spots

A.  1 only
B.  1 and 3 only
C.  2 and 3 only
D.  1, 2 and 3
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165 .Which of the following is largest biosphere reserves of India-
A.  Kanjiranga
B.  Sundarban
C.  Bandipur
D.  Periyar
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