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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SET 1 [COMPTT]
- State one reason for adding blue-green algae to the agricultural soil.
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- Name the material used as matrix in gel-electrophoresis and mention it...
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- Write the level of biodiversity represented by a mangrove. Give anothe...
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- Name the two gases contributing maximum to the green house effect.
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- What is amniocentesis? How is it misused ?
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- Rearrange the following in increasing order of evolution? Gnetales, ...
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- Differentiate between active immunity and passive immunity.
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- Differentiate between outbreeding and outcrossing.
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- Name two groups of organisms which constitute 'flocs'. Write their inf...
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- Why is making cells competent essential for biotechnology experiments?...
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- Write any two ways how genetically modified plants are found to be use...
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- Provide two reasons that make the counting of prokaryotic species diff...
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- How is apomixis different from parthenocarpy ?
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- Describe any two modes by which apomictic seeds and be produced.
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- What are the transcriptional products of RNA polymerase III?
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- Differentiate between 'Capping' and 'Taling'.
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- Expand hrRNA.
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- Giving three reasons, write how Hardy-Weinberg equilibrium can be affe...
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- Do you support 'Dope' test being conducted on sportspersons perticipat...
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- Draw and explain expanding age pyramids of human population. Why is it...
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