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Pregunta 1
Pregunta
Among the biotic components of the ecosystem, the producer system is ?
Respuesta
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Sea
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Rivers
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Green Plants
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Animals
Pregunta 2
Pregunta
Which of has following group of gases contribute to the 'Green House Effect' ?
Respuesta
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Carbon tetrafluoride and Nitrous oxide
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Carbon monoxide and Sulphur dioxide
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Ammonia and Ozone
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Carbon dioxide and Methane
Pregunta 3
Pregunta
Which one of the following disease is not transmitted by tiger mosquitoes ?
Respuesta
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Dengue
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Chikungunya
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Japanese Encephalitis
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Yellow fever
Pregunta 4
Pregunta
Which one of the following air pollution can affect blood stream leading to death ?
Respuesta
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Cadmium
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sbestos dust
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Carbon monodioxide
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Lead
Pregunta 5
Pregunta
The disease caused by deficiency of protein in children is called
Respuesta
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Pellagra
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Marasmus
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Beri-Beri
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Rickets
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