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XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2023-Question
- (a)Explain the process of the development of a male gametophyte in an ...
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- Write the first step the primary effluent undergoes when it enters the...
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- What is the level of B.O.D indicative of in the secondary treatment pl...
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- Given below is a food web that involves nine organisms. (a)Identify tw...
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- Illustrate with the help of an example how introduction of an alien sp...
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- Insertional inactivation' is a method to detect recombinant DNA.explai...
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- Explain how recombinant DNA technology is used to detect a disease eve...
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- How many types of RNA polymerases are there in a eukaryote cell?Mentio...
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- Write the changes that hnRNA undergoes before it leaves the nucleus as...
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- The length of DNA in any cell is far greater than the dimension of its...
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- Expand and explain the following techniques used in the 'Test Tube Bab...
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- Given below is a diagrammatic sectional view of a seminiferous tubule....
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- Darwin's theory of Natural Selection is widely accepted but some limit...
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- Name and state the most accepted theory of evolution in modern times.
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- Mention any two ways the limitations identifies in Darwin's theory of ...
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- (a)Name the category of drugs represented by the chemical structure gi...
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- (a)Write the scientific name of the nematode that infests the tobacco ...
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- Explain the following population interactions with the help of one exa...
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- The following pedigree chart shows the inheritance of a genetic disord...
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- The diagram shows the life cycle of a pathogenic protozoan. (i)Name...
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