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Write note on the causes and effects of water pollution.
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Define ecosystem and its components.
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What are single cell proteins? Describe their importance.
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Define antibiotics. Describe the main groups of antibiotics.
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Write a note on drug addiction.
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Write down the comparison between the life cycle of Aedes and Anopheles.
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Define drug.
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Write a detail account on air pollution.
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Define pollution. What are the major causes of It?
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What do you mean by Parthenogenesis? Give examples.
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What conditions are necessary for the germination of seeds?
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Write a note on carbon cycle.
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What is genotype? Define their types.
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How Does the DNA of Chromosome work?
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Write a note on sedative, narcotics and hallucinogens.
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Define vaccine.
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Why Joseph Lister is famous for?
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