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CBSE Class 12th Biology Set II solved Question Paper 2011

Oct 26, 2013 10:58 IST

    The pattern in which the question papers are being set for a particular subject is quite different from the manner in which the course structure is defined actually. Though the course curriculum is predefined, there are certainly some gaps between the question paper formed and the content of the course. Henceforth, students need to identify these gaps and catch up where the textbooks left off, if they want to get acquainted with the examination pattern. And, they can do it easily by checking out previous year question papers and their solutions. This not only helps them prepare for exams in a better manner but also leads them to the depth which the topic should be studied with.

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    Some solved questions from CBSE Class 12th Biology Question Paper 2011-Set II, are given here

    Q. Name the type of cell division that takes place in the zygote of an organism exhibiting haplontic life cycle.

    Ans Haplontic life cycle can be defined as the zygotes which undergo meiosis to produce haploid spores to produce haploid individual.

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    Q. Write the scientific name of the microbe used for fermenting malted cereals and fruit juices.

    Ans Saccharomyces cerevisiae It belongs to the yeast, type of fungi.

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    Q. Write the unit used for measuring ozone thickness.

    Ans Thickness of ozone is measured in terms of Dobson unit (DU).

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    Q. Name the event during cell division cycle that results in the gain or loss of chromosome.

    Ans Aneuploidy

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