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Complete Class 12 Biology Exam Package for the last Moment 2013

Mar 7, 2013 17:07 IST

    Complete Class 12 Biology Exam Package for the last Moment 2013, Given Here

    1.Why single-celled organisms are considered immortal?

    2.What are hermaphrodites?

    3.Name two groups of organisms where the body is diploid.

    4.Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n):
    (a)    Ovary
    (b)    Anther
    (c)    Egg
    (d)    Pollen
    (e)    Male gamete
    (f)    Zygote.

    5.Why pollen grains are well preserved as fossils?

    6.When does cell wall formation start, in the organization of the embryo sac?

    7.How many haploid nuclei and haploid cells are present in the female gametophyte of angiosperm?

    8.Define emasculation.

    9.Described the structure of a typical embryo sac found I flowering plants. Why it is generally referred to as monosporic?

    10.Enumerate the steps in artificial hybridization.

    Click on the links given below

    Important Questions for CBSE Class 12 Biology Exam2013

    CBSE Class 12 Biology Question Paper-2008

    CBSE Class 12 Biology syllabus-2011

    CBSE Class 12 Biology Sample Paper-2013

    Guess paper for CBSE Class 12 Biology Set-1-2013

    Guess paper for CBSE Class 12 Biology Set-2-2013

    CBSE Class 12 Biology Sample Question Paper-2010

    CBSE Class 12 Biology Set- I Solved Question Paper-2012

    CBSE Class 12 Biology Set-II Solved Question Paper-2012

    CBSE Class 12 Biology Set-III Solved Question Paper-2012

    To find CBSE result for class 12 and class 10, Visit to the links given below

    CBSE Results

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