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XII BOARDS PREVIOUS YEAR-XII BOARDS-OUTSIDE DELHI SET II
- Identify and write the correct statement : (a) Drosophila male has o...
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- Give one example each of a plant that reproduces by : (a) runner (...
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- What do 'cry' genes in Bacillus thuringiensis code for ? State its imp...
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- What is an "algal bloom"? State its cause and any two harmful effects.
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- What do oral pills contain and how do they act as affective contracept...
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- Explain how natural selection operates in natural by taking an example...
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- Name a blood related autosomal Mendelian disorder. Why is it called Me...
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- Why are seeds of some grasses called apomictic? Explain
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- State two reasons to convince a farmer to use an apomictic crop.
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- Work out a monohybrid cross upto F(2) generation between two pea plant...
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- Describe the process of transcription in a bacterium.
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- (a) Draw a labelled diagram of matured embryo of a dicotyledonous plan...
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- Explain the different phases of menstrual cycle and correlate the phas...
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- Give one example each of a fungus which reproduces by : (a) building...
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- Identify and write the correct statement: (a) In Grasshopper males ...
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