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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET-II
- A non - biology person is quite shocked to know that apple is a false ...
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- Aflower of brinjal plant following the process of sexual reprodution p...
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- give an example of human disorder that is due to a single gene ...
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- Explain the importance of syngamy and meipoosis in a sexual life ...
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- why the plants that inhabit a desert are not found in a mangrov...
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- differentiable between somaclones and somatic hybrids give one ...
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- A color-blind child is born to a normal couple. Work out a cross to sh...
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- in certain seasons we sweet profusely while in some other sea...
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- List the crteria a molecule that can act as genetic material...
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- Differentiate between analogy and homology giving one example on...
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- Why is it essential to have a ' selectable marker' in a cloning vector
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- Why are some molecules called bioactive molecules ? Give two examples ...
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- List the two types of immunity a human baby is born with. Explain the ...
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- Explain the response of all communities of environment over time.
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- (a) Name the causative agent of typhoid in humans. (b) Name the test a...
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- (a) Name the scientist who called tRNA an adapter molecule (b) Draw ...
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- With the help of diagrams show the different steps in the formation of...
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- Name the source from which insulin was extracted earlier. Why 15 this ...
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- Why are the wings of a butterfly and of a bat called analogous?
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- How are the two following varieties of sugarcane different from each o...
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