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Write a note on carbon cycle.

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Define vaccine.

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Why Joseph Lister is famous for?

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What is Materia Medica?

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Differentiate between bactericidal and bacteriostatic antibiotics.

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What basic steps a genetic engineer adopts during the manipulation of genes?

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What do you mean by symbiosis? What are its various types?

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What would be the harmful effect of expired drugs?

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What do you mean by dormancy of seed?

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What are the different levels of ecological organization?

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Describe Mendel' Mendel's Law of Independent Assortment

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What do you mean by pollination? Describe its types.

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Differentiate between medicinal drug and addictive drug.

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What is the dominance relationship between blood group alleles I A and I B?

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What is diamorphine?

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Define genetics. What do you meant by traits?

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Describe the Watson-Crick model of DNA.

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