146. India generates about 4,3 million tonnes of hazardous wastes every year. Direct exposure to two chemicals in hazardous waste can cause death. Name them.

1. 1. Mercury and arsenic

   
   
   

   2. Cyanide and sulphur

   
   
   

   3. Sulphur and arsenic

   
   
   

   4. mercury and cyanide

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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147. Which one among the following groups of items contains only biodegradable items ?

1. 1. Wood, Grass, Plastic

   
   
   

   2. Wood, Grass, Leather

   
   
   

   3. Fruit peels, Lime juice, China clay cup

   
   
   

   4. Lime juice, Grass, Polystyrene cup

   
   
   

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   NA

   Correct Option: B

   NA

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148. What does the term "locavore" mean ?

1. 1. A bacteria

   
   
   

   2. An endangered species

   
   
   

   3. The consumer who eats only locally grown food products

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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149. Which percentage of the world's population is still dependent upon "home-made" remedies produced from herbs and plants ?

1. 1. 25%

   
   
   

   2. 50%

   
   
   

   3. 75%

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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150. The municipal solid waste generated in India is about 40% organic matter. Composting is the best method of disposal of organic solid waste. Where was the country's first aerobic composting plant set up in 1992 ?

1. 1. Delhi

   
   
   

   2. Mumbai

   
   
   

   3. Calcutta

   
   
   

   4. Chennai

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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