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XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-C
- (i) Name the organism in which the vector shown in inserted to get the...
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- Name the insect pest that is killed by the products of cryIAc gene. Ex...
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- How do organisms like fungi, zooplanktons and bears overcome the tempo...
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- Explain the process of artificial hybridisation to get improved crop, ...
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- Explain the sex determination mechanism in humans. How is it different...
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- (a ) Trace the development ofmegaspore mother cell up to the formation...
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- (a) Draw a diagrammatic labelled sectional view of seminiferous tubule...
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- Explain the mechanism of sex determination in insects like Drosophila ...
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- (a) Mention any four strategies adopted by flowering plants to prevent...
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- Pollen banks are playing a very important role in promoting plant bree...
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- Draw a labelled diagram to show inter-relationship of four accessory d...
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- Compare in any three ways the chromosomal theory of inheritance as pro...
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- Explain the mechanism of DNA repication with the help of a replication...
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- (a) Write two differences between Homo erectus and Homo habilis. (b...
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- Name the group of bacteria involved in setting milk into curd. Explain...
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- Bee keeping practice is a good income generating industry. Write the d...
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- (a) Match the microbes listed under Column -A with the products mentio...
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- Describe the formation of recombinant DNA by the action of EcoRI. OR...
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- Two children, A and B aged 4 and 5 years respectively visited a hospit...
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- List six advantages of "ex-situ" approach to conservation of biodivers...
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