Environmental Studies Shelter TS TET MCQ

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08 Lung diseases caused by ....... 1. liquid wastes 2. gaseous wastes 3. garbages 4. none

09 In the wet garbage pits we may put some ...... 1. earth worms 2. ants 3. cockroaches 4. none

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10 Polythene bags will decay in ..... 1. 100 years 2. 10,000 years 3. 1000000 years 4. none

11 The middle of the tongue gives 1. sweet taste 2. bitter taste 3. salty taste 4. none

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