Environmental Studies Shelter TS TET MCQ
26 Dust particles cause ........
1. lung diseases
2. heart diseases
3. stomach diseases
4. none
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25 The smoke from vehicles and factories contain .....
1. carbon monoxide
2. carbon dioxide
3. a and b
4. none
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24 An agarbathi produces ....
1. smoke
2. fragrance
3. smoke and fragrance
4. none
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23 Organisms do not produce energy in the absence of .....
1. air
2. carbondioxide
3. hydrogen
4. none
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22 The seeds germinate and grow into plants by the presence of .....
1. light only
2. light and soil only
3. soil, light, water and air only
4. none
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21 We should be careful with fire and ......
1. water
2. doctor
3. hot objects
4. none
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20 When accidents occur in cities dial ......
1. 104
2. 108
3. 111
4. none
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19 When electricity passes through our body, we get .....
1. short circuit
2. dazzles
3. electric shock
4. none
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18 Pure blood contains ......
1. carbon dioxide
2. hydrogen
3. oxygen
4. nitrogen
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17 Changing lime water into a milky white solution is the property of .......
1. oxygen
2. carbon dioxide
3. oxygen
4. nitrogen
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