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XII BOARDS PREVIOUS YEAR-XII BOARDS-Section C
- Emasculation and bagging are the two important steps carried during ar...
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- State what is apomixis. Write its significance. How can it be commerci...
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- (a) Draw a sectional view of human ovary. Label the following parts : ...
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- (a) Draw an L.S. of pistil showing pollen tube entering into the embry...
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- Given below is the representation of a relevant part of amino acid com...
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- Name the kind of diseases/disorders and any two symptoms that are like...
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- Name the technique and the property of plant cells that can help to gr...
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- Study the graph given below and answer the questions that follow : ...
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- 'A very small sample of tissue or even a drop of blood can help determ...
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- Explain the phenomena of dominance, multiple allelism and co-dominance...
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- Name the genus to which baculoviruses belong. Describe their role in t...
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- Give reasons why : (a) DNA cannot pass into a host cell through the...
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- State the medicinal value and the bioactive molecule produced by strep...
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- Describe the roles of (a) high temperature, (b) primers, and (c ) bact...
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- How does beta-galactosidase coding sequence act as a selectable marker...
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- Answer the following questions based on Meselson and Stahl's experime...
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- Explain the steps in the formation of an ovum from an oogonium in huma...
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- a) Explain "birth rate" in a population by taking a suitable example. ...
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- a) Explain DNA polymorphism as the basis of genetic mapping of human g...
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- a) Explain "death rate" in a population by taking a suitable example. ...
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